FlutterViewControllerTest Class Reference

Inheritance diagram for FlutterViewControllerTest:

Instance Methods
(void)	- sendMessage:reply:
(void)	- setUp [implementation]
(void)	- tearDown [implementation]
(id)	- setUpMockScreen [implementation]
(id)	- setUpMockView:screen:viewFrame:convertedFrame: [implementation]
(void)	- testViewDidLoadWillInvokeCreateTouchRateCorrectionVSyncClient [implementation]
(void)	- testStartKeyboardAnimationWillInvokeSetupKeyboardSpringAnimationIfNeeded [implementation]
(void)	- testSetupKeyboardSpringAnimationIfNeeded [implementation]
(void)	- testKeyboardAnimationIsShowingAndCompounding [implementation]
(void)	- testShouldIgnoreKeyboardNotification [implementation]
(void)	- testKeyboardAnimationWillNotCrashWhenEngineDestroyed [implementation]
(void)	- testKeyboardAnimationWillWaitUIThreadVsync [implementation]
(void)	- testCalculateKeyboardAttachMode [implementation]
(void)	- testCalculateMultitaskingAdjustment [implementation]
(void)	- testCalculateKeyboardInset [implementation]
(void)	- testHandleKeyboardNotification [implementation]
(void)	- testEnsureBottomInsetIsZeroWhenKeyboardDismissed [implementation]
(void)	- testEnsureViewportMetricsWillInvokeAndDisplayLinkWillInvalidateInViewDidDisappear [implementation]
(void)	- testViewDidDisappearDoesntPauseEngineWhenNotTheViewController [implementation]
(void)	- testAppWillTerminateViewDidDestroyTheEngine [implementation]
(void)	- testViewDidDisappearDoesPauseEngineWhenIsTheViewController [implementation]
(void)	- testEngineConfigSyncMethodWillExecuteWhenViewControllerInEngineIsCurrentViewControllerInViewWillAppear [implementation]
(void)	- testEngineConfigSyncMethodWillNotExecuteWhenViewControllerInEngineIsNotCurrentViewControllerInViewWillAppear [implementation]
(void)	- testEngineConfigSyncMethodWillExecuteWhenViewControllerInEngineIsCurrentViewControllerInViewDidAppear [implementation]
(void)	- testEngineConfigSyncMethodWillNotExecuteWhenViewControllerInEngineIsNotCurrentViewControllerInViewDidAppear [implementation]
(void)	- testEngineConfigSyncMethodWillExecuteWhenViewControllerInEngineIsCurrentViewControllerInViewWillDisappear [implementation]
(void)	- testEngineConfigSyncMethodWillNotExecuteWhenViewControllerInEngineIsNotCurrentViewControllerInViewWillDisappear [implementation]
(void)	- testUpdateViewportMetricsIfNeeded_DoesntInvokeEngineWhenNotTheViewController [implementation]
(void)	- testUpdateViewportMetricsIfNeeded_DoesInvokeEngineWhenIsTheViewController [implementation]
(void)	- testUpdateViewportMetricsIfNeeded_DoesNotInvokeEngineWhenShouldBeIgnoredDuringRotation [implementation]
(void)	- testViewWillTransitionToSize_DoesDelayEngineCallIfNonZeroDuration [implementation]
(void)	- testViewWillTransitionToSize_DoesNotDelayEngineCallIfZeroDuration [implementation]
(void)	- testViewDidLoadDoesntInvokeEngineWhenNotTheViewController [implementation]
(void)	- testViewDidLoadDoesInvokeEngineWhenIsTheViewController [implementation]
(void)	- testViewDidLoadDoesntInvokeEngineAttachViewWhenEngineNeedsLaunch [implementation]
(void)	- testSplashScreenViewRemoveNotCrash [implementation]
(void)	- testInternalPluginsWeakPtrNotCrash [implementation]
(void)	- testInternalPluginsInvokeInViewDidLoad [implementation]
(void)	- testBinaryMessenger [implementation]
(void)	- testViewControllerIsReleased [implementation]
(void)	- testItReportsLightPlatformBrightnessByDefault [implementation]
(void)	- testItReportsPlatformBrightnessWhenViewWillAppear [implementation]
(void)	- testItReportsDarkPlatformBrightnessWhenTraitCollectionRequestsIt [implementation]
(UITraitCollection *)	- fakeTraitCollectionWithUserInterfaceStyle: [implementation]
(void)	- testItReportsNormalPlatformContrastByDefault [implementation]
(void)	- testItReportsPlatformContrastWhenViewWillAppear [implementation]
(void)	- testItReportsHighContrastWhenTraitCollectionRequestsIt [implementation]
(void)	- testItReportsAccessibilityOnOffSwitchLabelsFlagNotSet [implementation]
(void)	- testItReportsAccessibilityOnOffSwitchLabelsFlagSet [implementation]
(void)	- testAccessibilityPerformEscapePopsRoute [implementation]
(void)	- testPerformOrientationUpdateForcesOrientationChange [implementation]
(void)	- testPerformOrientationUpdateDoesNotForceOrientationChange [implementation]
(void)	- orientationTestWithOrientationUpdate:currentOrientation:didChangeOrientation:resultingOrientation: [implementation]
(UITraitCollection *)	- fakeTraitCollectionWithContrast: [implementation]
(void)	- testWillDeallocNotification [implementation]
(void)	- testReleasesKeyboardManagerOnDealloc [implementation]
(void)	- testDoesntLoadViewInInit [implementation]
(void)	- testHideOverlay [implementation]
(void)	- testNotifyLowMemory [implementation]
()	- ios [implementation]
()	- ios [implementation]
()	- ios [implementation]
()	- ios [implementation]
()	- ios [implementation]
(void)	- testFakeEventTimeStamp [implementation]
(void)	- testSplashScreenViewCanSetNil [implementation]
(void)	- testLifeCycleNotificationBecameActive [implementation]
(void)	- testLifeCycleNotificationWillResignActive [implementation]
(void)	- testLifeCycleNotificationWillTerminate [implementation]
(void)	- testLifeCycleNotificationDidEnterBackground [implementation]
(void)	- testLifeCycleNotificationWillEnterForeground [implementation]
(void)	- testLifeCycleNotificationCancelledInvalidResumed [implementation]
(void)	- testSetupKeyboardAnimationVsyncClientWillCreateNewVsyncClientForFlutterViewController [implementation]
(void)	- testCreateTouchRateCorrectionVSyncClientWillCreateVsyncClientWhenRefreshRateIsLargerThan60HZ [implementation]
(void)	- testCreateTouchRateCorrectionVSyncClientWillNotCreateNewVSyncClientWhenClientAlreadyExists [implementation]
(void)	- testCreateTouchRateCorrectionVSyncClientWillNotCreateVsyncClientWhenRefreshRateIs60HZ [implementation]
(void)	- testTriggerTouchRateCorrectionVSyncClientCorrectly [implementation]
(void)	- testFlutterViewControllerStartKeyboardAnimationWillCreateVsyncClientCorrectly [implementation]
(void)	- testSetupKeyboardAnimationVsyncClientWillNotCreateNewVsyncClientWhenKeyboardAnimationCallbackIsNil [implementation]
(void)	- testSupportsShowingSystemContextMenuForIOS16AndAbove [implementation]
(void)	- testFirstFrameCallback [implementation]
(void)	- testDrawLayer [implementation]

Properties
id	mockEngine
id	mockTextInputPlugin
id	messageSent
FlutterViewController *	flutterViewController

Detailed Description

Definition at line 169 of file FlutterViewControllerTest.mm.

Method Documentation

fakeTraitCollectionWithContrast:

- (UITraitCollection *) fakeTraitCollectionWithContrast: (UIAccessibilityContrast)  contrast

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                     :(UIAccessibilityContrast)contrast {
  id mockTraitCollection = OCMClassMock([UITraitCollection class]);
  OCMStub([mockTraitCollection accessibilityContrast]).andReturn(contrast);
  return mockTraitCollection;
}

fakeTraitCollectionWithUserInterfaceStyle:

- (UITraitCollection *) fakeTraitCollectionWithUserInterfaceStyle: (UIUserInterfaceStyle)  style

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                               :(UIUserInterfaceStyle)style {
  id mockTraitCollection = OCMClassMock([UITraitCollection class]);
  OCMStub([mockTraitCollection userInterfaceStyle]).andReturn(style);
  return mockTraitCollection;
}

ios [1/5]

- ios

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                  {
  if (@available(iOS 13.4, *)) {
    // noop
  } else {
    return;
  }
 
  FlutterViewController* vc = [[FlutterViewController alloc] initWithEngine:self.mockEngine
                                                                    nibName:nil
                                                                     bundle:nil];
  XCTAssertNotNil(vc);
 
  id mockPanGestureRecognizer = OCMClassMock([UIPanGestureRecognizer class]);
  XCTAssertNotNil(mockPanGestureRecognizer);
 
  [vc discreteScrollEvent:mockPanGestureRecognizer];
 
  [[[self.mockEngine verify] ignoringNonObjectArgs]
      dispatchPointerDataPacket:std::make_unique<flutter::PointerDataPacket>(0)];
}

ios [2/5]

- ios

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                          {
  if (@available(iOS 13.4, *)) {
    // noop
  } else {
    return;
  }
 
  FlutterViewController* vc = [[FlutterViewController alloc] initWithEngine:self.mockEngine
                                                                    nibName:nil
                                                                     bundle:nil];
  XCTAssertNotNil(vc);
  UIView* view = vc.view;
  XCTAssertNotNil(view);
  NSArray* gestureRecognizers = view.gestureRecognizers;
  XCTAssertNotNil(gestureRecognizers);
 
  BOOL found = NO;
  for (id gesture in gestureRecognizers) {
    if ([gesture isKindOfClass:[UIPanGestureRecognizer class]]) {
      found = YES;
      break;
    }
  }
  XCTAssertTrue(found);
}

ios [3/5]

- ios

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                      {
  if (@available(iOS 13.4, *)) {
    // noop
  } else {
    return;
  }
  id keyEventChannel = OCMClassMock([FlutterBasicMessageChannel class]);
  OCMStub([keyEventChannel sendMessage:[OCMArg any] reply:[OCMArg any]])
      .andCall(self, @selector(sendMessage:reply:));
  OCMStub([self.mockTextInputPlugin handlePress:[OCMArg any]]).andReturn(YES);
  OCMStub([self.mockEngine keyEventChannel]).andReturn(keyEventChannel);
 
  FlutterViewController* vc = [[FlutterViewController alloc] initWithEngine:self.mockEngine
                                                                    nibName:nil
                                                                     bundle:nil];
 
  // Allocate the keyboard manager in the view controller by adding the internal
  // plugins.
  [vc addInternalPlugins];
 
  [vc handlePressEvent:keyEventWithPhase(UIPressPhaseStationary, UIKeyboardHIDUsageKeyboardA,
                                         UIKeyModifierShift, 123.0)
            nextAction:^(){
            }];
  [vc handlePressEvent:keyEventWithPhase(UIPressPhaseCancelled, UIKeyboardHIDUsageKeyboardA,
                                         UIKeyModifierShift, 123.0)
            nextAction:^(){
            }];
  [vc handlePressEvent:keyEventWithPhase(UIPressPhaseChanged, UIKeyboardHIDUsageKeyboardA,
                                         UIKeyModifierShift, 123.0)
            nextAction:^(){
            }];
 
  XCTAssert(self.messageSent == nil);
  OCMVerify(never(), [keyEventChannel sendMessage:[OCMArg any]]);
  [vc deregisterNotifications];
}

ios [4/5]

- ios

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                     {
  if (@available(iOS 13.4, *)) {
    // noop
  } else {
    return;
  }
  FlutterEnginePartialMock* mockEngine = [[FlutterEnginePartialMock alloc] init];
  mockEngine.keyEventChannel = OCMClassMock([FlutterBasicMessageChannel class]);
  OCMStub([mockEngine.keyEventChannel sendMessage:[OCMArg any] reply:[OCMArg any]])
      .andCall(self, @selector(sendMessage:reply:));
  OCMStub([self.mockTextInputPlugin handlePress:[OCMArg any]]).andReturn(YES);
  mockEngine.textInputPlugin = self.mockTextInputPlugin;
 
  FlutterViewController* vc = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                    nibName:nil
                                                                     bundle:nil];
 
  // Allocate the keyboard manager in the view controller by adding the internal
  // plugins.
  [vc addInternalPlugins];
 
  [vc handlePressEvent:keyUpEvent(UIKeyboardHIDUsageKeyboardA, UIKeyModifierShift, 123.0)
            nextAction:^(){
            }];
 
  XCTAssert(self.messageSent != nil);
  XCTAssert([self.messageSent[@"keymap"] isEqualToString:@"ios"]);
  XCTAssert([self.messageSent[@"type"] isEqualToString:@"keyup"]);
  XCTAssert([self.messageSent[@"keyCode"] isEqualToNumber:[NSNumber numberWithInt:4]]);
  XCTAssert([self.messageSent[@"modifiers"] isEqualToNumber:[NSNumber numberWithInt:0]]);
  XCTAssert([self.messageSent[@"characters"] isEqualToString:@""]);
  XCTAssert([self.messageSent[@"charactersIgnoringModifiers"] isEqualToString:@""]);
  [vc deregisterNotifications];
}

ios [5/5]

- ios

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                       {
  if (@available(iOS 13.4, *)) {
    // noop
  } else {
    return;
  }
 
  FlutterEnginePartialMock* mockEngine = [[FlutterEnginePartialMock alloc] init];
  mockEngine.keyEventChannel = OCMClassMock([FlutterBasicMessageChannel class]);
  OCMStub([mockEngine.keyEventChannel sendMessage:[OCMArg any] reply:[OCMArg any]])
      .andCall(self, @selector(sendMessage:reply:));
  OCMStub([self.mockTextInputPlugin handlePress:[OCMArg any]]).andReturn(YES);
  mockEngine.textInputPlugin = self.mockTextInputPlugin;
 
  __strong FlutterViewController* vc = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                             nibName:nil
                                                                              bundle:nil];
  // Allocate the keyboard manager in the view controller by adding the internal
  // plugins.
  [vc addInternalPlugins];
 
  [vc handlePressEvent:keyDownEvent(UIKeyboardHIDUsageKeyboardA, UIKeyModifierShift, 123.0f, "A",
                                    "a")
            nextAction:^(){
            }];
 
  XCTAssert(self.messageSent != nil);
  XCTAssert([self.messageSent[@"keymap"] isEqualToString:@"ios"]);
  XCTAssert([self.messageSent[@"type"] isEqualToString:@"keydown"]);
  XCTAssert([self.messageSent[@"keyCode"] isEqualToNumber:[NSNumber numberWithInt:4]]);
  XCTAssert([self.messageSent[@"modifiers"] isEqualToNumber:[NSNumber numberWithInt:0]]);
  XCTAssert([self.messageSent[@"characters"] isEqualToString:@"A"]);
  XCTAssert([self.messageSent[@"charactersIgnoringModifiers"] isEqualToString:@"a"]);
  [vc deregisterNotifications];
  vc = nil;
}

orientationTestWithOrientationUpdate:currentOrientation:didChangeOrientation:resultingOrientation:

- (void) orientationTestWithOrientationUpdate: (UIInterfaceOrientationMask)  mask currentOrientation: (UIInterfaceOrientation)  currentOrientation didChangeOrientation: (BOOL)  didChange resultingOrientation: (UIInterfaceOrientation)  resultingOrientation

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                            :(UIInterfaceOrientationMask)mask
                          currentOrientation:(UIInterfaceOrientation)currentOrientation
                        didChangeOrientation:(BOOL)didChange
                        resultingOrientation:(UIInterfaceOrientation)resultingOrientation {
  id mockApplication = OCMClassMock([UIApplication class]);
  id mockWindowScene;
  id deviceMock;
  id mockVC;
  __block __weak id weakPreferences;
  @autoreleasepool {
    FlutterViewController* realVC = [[FlutterViewController alloc] initWithEngine:self.mockEngine
                                                                          nibName:nil
                                                                           bundle:nil];
 
    if (@available(iOS 16.0, *)) {
      mockWindowScene = OCMClassMock([UIWindowScene class]);
      mockVC = OCMPartialMock(realVC);
      OCMStub([mockVC flutterWindowSceneIfViewLoaded]).andReturn(mockWindowScene);
      if (realVC.supportedInterfaceOrientations == mask) {
        OCMReject([mockWindowScene requestGeometryUpdateWithPreferences:[OCMArg any]
                                                           errorHandler:[OCMArg any]]);
      } else {
        // iOS 16 will decide whether to rotate based on the new preference, so always set it
        // when it changes.
        OCMExpect([mockWindowScene
            requestGeometryUpdateWithPreferences:[OCMArg checkWithBlock:^BOOL(
                                                             UIWindowSceneGeometryPreferencesIOS*
                                                                 preferences) {
              weakPreferences = preferences;
              return preferences.interfaceOrientations == mask;
            }]
                                    errorHandler:[OCMArg any]]);
      }
      OCMStub([mockApplication sharedApplication]).andReturn(mockApplication);
      OCMStub([mockApplication connectedScenes]).andReturn([NSSet setWithObject:mockWindowScene]);
    } else {
      deviceMock = OCMPartialMock([UIDevice currentDevice]);
      if (!didChange) {
        OCMReject([deviceMock setValue:[OCMArg any] forKey:@"orientation"]);
      } else {
        OCMExpect([deviceMock setValue:@(resultingOrientation) forKey:@"orientation"]);
      }
      if (@available(iOS 13.0, *)) {
        mockWindowScene = OCMClassMock([UIWindowScene class]);
        mockVC = OCMPartialMock(realVC);
        OCMStub([mockVC flutterWindowSceneIfViewLoaded]).andReturn(mockWindowScene);
        OCMStub(((UIWindowScene*)mockWindowScene).interfaceOrientation)
            .andReturn(currentOrientation);
      } else {
        OCMStub([mockApplication sharedApplication]).andReturn(mockApplication);
        OCMStub([mockApplication statusBarOrientation]).andReturn(currentOrientation);
      }
    }
 
    [realVC performOrientationUpdate:mask];
    if (@available(iOS 16.0, *)) {
      OCMVerifyAll(mockWindowScene);
    } else {
      OCMVerifyAll(deviceMock);
    }
  }
  [mockWindowScene stopMocking];
  [deviceMock stopMocking];
  [mockApplication stopMocking];
  XCTAssertNil(weakPreferences);
}

sendMessage:reply:

- (void) sendMessage:		(id _Nullable)	message
reply:		(FlutterReply _Nullable)	callback

Definition at line 178 of file FlutterViewControllerTest.mm.

                   :(id _Nullable)message reply:(FlutterReply _Nullable)callback {
  NSMutableDictionary* replyMessage = [@{
    @"handled" : @YES,
  } mutableCopy];
  // Response is async, so we have to post it to the run loop instead of calling
  // it directly.
  self.messageSent = message;
  CFRunLoopPerformBlock(CFRunLoopGetCurrent(), fml::MessageLoopDarwin::kMessageLoopCFRunLoopMode,
                        ^() {
                          callback(replyMessage);
                        });
}

setUp

- (void) setUp

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

              {
  self.mockEngine = OCMClassMock([FlutterEngine class]);
  self.mockTextInputPlugin = OCMClassMock([FlutterTextInputPlugin class]);
  OCMStub([self.mockEngine textInputPlugin]).andReturn(self.mockTextInputPlugin);
  self.messageSent = nil;
}

setUpMockScreen

- (id) setUpMockScreen

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                      {
  UIScreen* mockScreen = OCMClassMock([UIScreen class]);
  // iPhone 14 pixels
  CGRect screenBounds = CGRectMake(0, 0, 1170, 2532);
  OCMStub([mockScreen bounds]).andReturn(screenBounds);
  CGFloat screenScale = 1;
  OCMStub([mockScreen scale]).andReturn(screenScale);
 
  return mockScreen;
}

setUpMockView:screen:viewFrame:convertedFrame:

- (id) setUpMockView: (FlutterViewController*)  viewControllerMock screen: (UIScreen*)  screen viewFrame: (CGRect)  viewFrame convertedFrame: (CGRect)  convertedFrame

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                   :(FlutterViewController*)viewControllerMock
             screen:(UIScreen*)screen
          viewFrame:(CGRect)viewFrame
     convertedFrame:(CGRect)convertedFrame {
  OCMStub([viewControllerMock flutterScreenIfViewLoaded]).andReturn(screen);
  id mockView = OCMClassMock([UIView class]);
  OCMStub([mockView frame]).andReturn(viewFrame);
  OCMStub([mockView convertRect:viewFrame toCoordinateSpace:[OCMArg any]])
      .andReturn(convertedFrame);
  OCMStub([viewControllerMock viewIfLoaded]).andReturn(mockView);
 
  return mockView;
}

tearDown

- (void) tearDown

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                 {
  // We stop mocking here to avoid retain cycles that stop
  // FlutterViewControllers from deallocing.
  [self.mockEngine stopMocking];
  self.mockEngine = nil;
  self.mockTextInputPlugin = nil;
  self.messageSent = nil;
}

testAccessibilityPerformEscapePopsRoute

- (void) testAccessibilityPerformEscapePopsRoute

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  id mockNavigationChannel = OCMClassMock([FlutterMethodChannel class]);
  OCMStub([mockEngine navigationChannel]).andReturn(mockNavigationChannel);
 
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
  XCTAssertTrue([viewController accessibilityPerformEscape]);
 
  OCMVerify([mockNavigationChannel invokeMethod:@"popRoute" arguments:nil]);
 
  [mockNavigationChannel stopMocking];
}

testAppWillTerminateViewDidDestroyTheEngine

- (void) testAppWillTerminateViewDidDestroyTheEngine

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                    {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
  id viewControllerMock = OCMPartialMock(viewController);
  OCMStub([viewControllerMock goToApplicationLifecycle:@"AppLifecycleState.detached"]);
  OCMStub([mockEngine destroyContext]);
  [viewController applicationWillTerminate:nil];
  OCMVerify([viewControllerMock goToApplicationLifecycle:@"AppLifecycleState.detached"]);
  OCMVerify([mockEngine destroyContext]);
}

testBinaryMessenger

- (void) testBinaryMessenger

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                            {
  FlutterViewController* vc = [[FlutterViewController alloc] initWithEngine:self.mockEngine
                                                                    nibName:nil
                                                                     bundle:nil];
  XCTAssertNotNil(vc);
  id messenger = OCMProtocolMock(@protocol(FlutterBinaryMessenger));
  OCMStub([self.mockEngine binaryMessenger]).andReturn(messenger);
  XCTAssertEqual(vc.binaryMessenger, messenger);
  OCMVerify([self.mockEngine binaryMessenger]);
}

testCalculateKeyboardAttachMode

- (void) testCalculateKeyboardAttachMode

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                        {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
 
  FlutterViewController* viewControllerMock = OCMPartialMock(viewController);
  UIScreen* screen = [self setUpMockScreen];
  CGRect viewFrame = screen.bounds;
  [self setUpMockView:viewControllerMock
               screen:screen
            viewFrame:viewFrame
       convertedFrame:viewFrame];
 
  CGFloat screenWidth = screen.bounds.size.width;
  CGFloat screenHeight = screen.bounds.size.height;
 
  // hide notification
  CGRect keyboardFrame = CGRectZero;
  NSNotification* notification =
      [NSNotification notificationWithName:UIKeyboardWillHideNotification
                                    object:nil
                                  userInfo:@{
                                    @"UIKeyboardFrameEndUserInfoKey" : @(keyboardFrame),
                                    @"UIKeyboardAnimationDurationUserInfoKey" : @0.25,
                                    @"UIKeyboardIsLocalUserInfoKey" : @(YES)
                                  }];
  FlutterKeyboardMode keyboardMode = [viewControllerMock calculateKeyboardAttachMode:notification];
  XCTAssertTrue(keyboardMode == FlutterKeyboardModeHidden);
 
  // all zeros
  keyboardFrame = CGRectZero;
  notification = [NSNotification notificationWithName:UIKeyboardWillChangeFrameNotification
                                               object:nil
                                             userInfo:@{
                                               @"UIKeyboardFrameEndUserInfoKey" : @(keyboardFrame),
                                               @"UIKeyboardAnimationDurationUserInfoKey" : @0.25,
                                               @"UIKeyboardIsLocalUserInfoKey" : @(YES)
                                             }];
  keyboardMode = [viewControllerMock calculateKeyboardAttachMode:notification];
  XCTAssertTrue(keyboardMode == FlutterKeyboardModeFloating);
 
  // 0 height
  keyboardFrame = CGRectMake(0, 0, screenWidth, 0);
  notification = [NSNotification notificationWithName:UIKeyboardWillChangeFrameNotification
                                               object:nil
                                             userInfo:@{
                                               @"UIKeyboardFrameEndUserInfoKey" : @(keyboardFrame),
                                               @"UIKeyboardAnimationDurationUserInfoKey" : @0.25,
                                               @"UIKeyboardIsLocalUserInfoKey" : @(YES)
                                             }];
  keyboardMode = [viewControllerMock calculateKeyboardAttachMode:notification];
  XCTAssertTrue(keyboardMode == FlutterKeyboardModeHidden);
 
  // floating
  keyboardFrame = CGRectMake(0, 0, 320, 320);
  notification = [NSNotification notificationWithName:UIKeyboardWillChangeFrameNotification
                                               object:nil
                                             userInfo:@{
                                               @"UIKeyboardFrameEndUserInfoKey" : @(keyboardFrame),
                                               @"UIKeyboardAnimationDurationUserInfoKey" : @0.25,
                                               @"UIKeyboardIsLocalUserInfoKey" : @(YES)
                                             }];
  keyboardMode = [viewControllerMock calculateKeyboardAttachMode:notification];
  XCTAssertTrue(keyboardMode == FlutterKeyboardModeFloating);
 
  // undocked
  keyboardFrame = CGRectMake(0, 0, screenWidth, 320);
  notification = [NSNotification notificationWithName:UIKeyboardWillChangeFrameNotification
                                               object:nil
                                             userInfo:@{
                                               @"UIKeyboardFrameEndUserInfoKey" : @(keyboardFrame),
                                               @"UIKeyboardAnimationDurationUserInfoKey" : @0.25,
                                               @"UIKeyboardIsLocalUserInfoKey" : @(YES)
                                             }];
  keyboardMode = [viewControllerMock calculateKeyboardAttachMode:notification];
  XCTAssertTrue(keyboardMode == FlutterKeyboardModeFloating);
 
  // docked
  keyboardFrame = CGRectMake(0, screenHeight - 320, screenWidth, 320);
  notification = [NSNotification notificationWithName:UIKeyboardWillChangeFrameNotification
                                               object:nil
                                             userInfo:@{
                                               @"UIKeyboardFrameEndUserInfoKey" : @(keyboardFrame),
                                               @"UIKeyboardAnimationDurationUserInfoKey" : @0.25,
                                               @"UIKeyboardIsLocalUserInfoKey" : @(YES)
                                             }];
  keyboardMode = [viewControllerMock calculateKeyboardAttachMode:notification];
  XCTAssertTrue(keyboardMode == FlutterKeyboardModeDocked);
 
  // docked - rounded values
  CGFloat longDecimalHeight = 320.666666666666666;
  keyboardFrame = CGRectMake(0, screenHeight - longDecimalHeight, screenWidth, longDecimalHeight);
  notification = [NSNotification notificationWithName:UIKeyboardWillChangeFrameNotification
                                               object:nil
                                             userInfo:@{
                                               @"UIKeyboardFrameEndUserInfoKey" : @(keyboardFrame),
                                               @"UIKeyboardAnimationDurationUserInfoKey" : @0.25,
                                               @"UIKeyboardIsLocalUserInfoKey" : @(YES)
                                             }];
  keyboardMode = [viewControllerMock calculateKeyboardAttachMode:notification];
  XCTAssertTrue(keyboardMode == FlutterKeyboardModeDocked);
 
  // hidden - rounded values
  keyboardFrame = CGRectMake(0, screenHeight - .0000001, screenWidth, longDecimalHeight);
  notification = [NSNotification notificationWithName:UIKeyboardWillChangeFrameNotification
                                               object:nil
                                             userInfo:@{
                                               @"UIKeyboardFrameEndUserInfoKey" : @(keyboardFrame),
                                               @"UIKeyboardAnimationDurationUserInfoKey" : @0.25,
                                               @"UIKeyboardIsLocalUserInfoKey" : @(YES)
                                             }];
  keyboardMode = [viewControllerMock calculateKeyboardAttachMode:notification];
  XCTAssertTrue(keyboardMode == FlutterKeyboardModeHidden);
 
  // hidden
  keyboardFrame = CGRectMake(0, screenHeight, screenWidth, 320);
  notification = [NSNotification notificationWithName:UIKeyboardWillChangeFrameNotification
                                               object:nil
                                             userInfo:@{
                                               @"UIKeyboardFrameEndUserInfoKey" : @(keyboardFrame),
                                               @"UIKeyboardAnimationDurationUserInfoKey" : @0.25,
                                               @"UIKeyboardIsLocalUserInfoKey" : @(YES)
                                             }];
  keyboardMode = [viewControllerMock calculateKeyboardAttachMode:notification];
  XCTAssertTrue(keyboardMode == FlutterKeyboardModeHidden);
}

testCalculateKeyboardInset

- (void) testCalculateKeyboardInset

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                   {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
  FlutterViewController* viewControllerMock = OCMPartialMock(viewController);
  UIScreen* screen = [self setUpMockScreen];
  OCMStub([viewControllerMock flutterScreenIfViewLoaded]).andReturn(screen);
 
  CGFloat screenWidth = screen.bounds.size.width;
  CGFloat screenHeight = screen.bounds.size.height;
  CGRect viewOrigFrame = CGRectMake(0, 0, 320, screenHeight - 40);
  CGRect convertedViewFrame = CGRectMake(20, 20, 320, screenHeight - 40);
  CGRect keyboardFrame = CGRectMake(20, screenHeight - 320, screenWidth, 300);
 
  [self setUpMockView:viewControllerMock
               screen:screen
            viewFrame:viewOrigFrame
       convertedFrame:convertedViewFrame];
 
  CGFloat inset = [viewControllerMock calculateKeyboardInset:keyboardFrame
                                                keyboardMode:FlutterKeyboardModeDocked];
  XCTAssertTrue(inset == 300 * screen.scale);
}

testCalculateMultitaskingAdjustment

- (void) testCalculateMultitaskingAdjustment

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                            {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
  FlutterViewController* viewControllerMock = OCMPartialMock(viewController);
 
  UIScreen* screen = [self setUpMockScreen];
  CGFloat screenWidth = screen.bounds.size.width;
  CGFloat screenHeight = screen.bounds.size.height;
  CGRect screenRect = screen.bounds;
  CGRect viewOrigFrame = CGRectMake(0, 0, 320, screenHeight - 40);
  CGRect convertedViewFrame = CGRectMake(20, 20, 320, screenHeight - 40);
  CGRect keyboardFrame = CGRectMake(20, screenHeight - 320, screenWidth, 300);
  id mockView = [self setUpMockView:viewControllerMock
                             screen:screen
                          viewFrame:viewOrigFrame
                     convertedFrame:convertedViewFrame];
  id mockTraitCollection = OCMClassMock([UITraitCollection class]);
  OCMStub([mockTraitCollection userInterfaceIdiom]).andReturn(UIUserInterfaceIdiomPad);
  OCMStub([mockTraitCollection horizontalSizeClass]).andReturn(UIUserInterfaceSizeClassCompact);
  OCMStub([mockTraitCollection verticalSizeClass]).andReturn(UIUserInterfaceSizeClassRegular);
  OCMStub([mockView traitCollection]).andReturn(mockTraitCollection);
 
  CGFloat adjustment = [viewControllerMock calculateMultitaskingAdjustment:screenRect
                                                             keyboardFrame:keyboardFrame];
  XCTAssertTrue(adjustment == 20);
}

testCreateTouchRateCorrectionVSyncClientWillCreateVsyncClientWhenRefreshRateIsLargerThan60HZ

- (void) testCreateTouchRateCorrectionVSyncClientWillCreateVsyncClientWhenRefreshRateIsLargerThan60HZ

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                                                 {
  id mockDisplayLinkManager = [OCMockObject mockForClass:[DisplayLinkManager class]];
  double maxFrameRate = 120;
  [[[mockDisplayLinkManager stub] andReturnValue:@(maxFrameRate)] displayRefreshRate];
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:engine
                                                                                nibName:nil
                                                                                 bundle:nil];
  [viewController createTouchRateCorrectionVSyncClientIfNeeded];
  XCTAssertNotNil(viewController.touchRateCorrectionVSyncClient);
}

testCreateTouchRateCorrectionVSyncClientWillNotCreateNewVSyncClientWhenClientAlreadyExists

- (void) testCreateTouchRateCorrectionVSyncClientWillNotCreateNewVSyncClientWhenClientAlreadyExists

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                                                   {
  id mockDisplayLinkManager = [OCMockObject mockForClass:[DisplayLinkManager class]];
  double maxFrameRate = 120;
  [[[mockDisplayLinkManager stub] andReturnValue:@(maxFrameRate)] displayRefreshRate];
 
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:engine
                                                                                nibName:nil
                                                                                 bundle:nil];
  [viewController createTouchRateCorrectionVSyncClientIfNeeded];
  VSyncClient* clientBefore = viewController.touchRateCorrectionVSyncClient;
  XCTAssertNotNil(clientBefore);
 
  [viewController createTouchRateCorrectionVSyncClientIfNeeded];
  VSyncClient* clientAfter = viewController.touchRateCorrectionVSyncClient;
  XCTAssertNotNil(clientAfter);
 
  XCTAssertTrue(clientBefore == clientAfter);
}

testCreateTouchRateCorrectionVSyncClientWillNotCreateVsyncClientWhenRefreshRateIs60HZ

- (void) testCreateTouchRateCorrectionVSyncClientWillNotCreateVsyncClientWhenRefreshRateIs60HZ

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                                              {
  id mockDisplayLinkManager = [OCMockObject mockForClass:[DisplayLinkManager class]];
  double maxFrameRate = 60;
  [[[mockDisplayLinkManager stub] andReturnValue:@(maxFrameRate)] displayRefreshRate];
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:engine
                                                                                nibName:nil
                                                                                 bundle:nil];
  [viewController createTouchRateCorrectionVSyncClientIfNeeded];
  XCTAssertNil(viewController.touchRateCorrectionVSyncClient);
}

testDoesntLoadViewInInit

- (void) testDoesntLoadViewInInit

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                 {
  FlutterDartProject* project = [[FlutterDartProject alloc] init];
  FlutterEngine* engine = [[FlutterEngine alloc] initWithName:@"foobar" project:project];
  [engine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* realVC = [[FlutterViewController alloc] initWithEngine:engine
                                                                        nibName:nil
                                                                         bundle:nil];
  XCTAssertFalse([realVC isViewLoaded], @"shouldn't have loaded since it hasn't been shown");
  engine.viewController = nil;
}

testDrawLayer

- (void) testDrawLayer

implementation

Definition at line 13 of file FlutterViewControllerTest.m.

                      {
  XCTestExpectation* firstFrameRendered = [self expectationWithDescription:@"firstFrameRendered"];
  XCTestExpectation* imageRendered = [self expectationWithDescription:@"imageRendered"];
 
  FlutterEngine* engine = [[FlutterEngine alloc] initWithName:@"test" project:nil];
  [engine runWithEntrypoint:nil];
  [engine.binaryMessenger
      setMessageHandlerOnChannel:@"waiting_for_status"
            binaryMessageHandler:^(NSData* _Nullable message, FlutterBinaryReply _Nonnull reply) {
              FlutterMethodChannel* channel = [FlutterMethodChannel
                  methodChannelWithName:@"driver"
                        binaryMessenger:engine.binaryMessenger
                                  codec:[FlutterJSONMethodCodec sharedInstance]];
              [channel invokeMethod:@"set_scenario" arguments:@{@"name" : @"solid_blue"}];
            }];
 
  self.flutterViewController = [[FlutterViewController alloc] initWithEngine:engine
                                                                     nibName:nil
                                                                      bundle:nil];
 
  XCTAssertFalse(self.flutterViewController.isDisplayingFlutterUI);
 
  [self.flutterViewController setFlutterViewDidRenderCallback:^{
    [firstFrameRendered fulfill];
  }];
 
  AppDelegate* appDelegate = (AppDelegate*)UIApplication.sharedApplication.delegate;
  UIViewController* rootVC = appDelegate.window.rootViewController;
  [rootVC presentViewController:self.flutterViewController animated:NO completion:nil];
 
  CGColorSpaceRef color_space = CGColorSpaceCreateDeviceRGB();
 
  __block dispatch_block_t callback;
  callback = ^{
    size_t width = 300u;
    CGContextRef context =
        CGBitmapContextCreate(nil, width, width, 8, 4 * width, color_space,
                              kCGBitmapByteOrder32Little | kCGImageAlphaPremultipliedFirst);
    [appDelegate.window.layer renderInContext:context];
    uint32_t* image_data = (uint32_t*)CGBitmapContextGetData(context);
    if (image_data[20] == 0xFF0000FF) {
      [imageRendered fulfill];
      return;
    }
 
    CGContextRelease(context);
 
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, NSEC_PER_SEC), dispatch_get_main_queue(),
                   callback);
  };
  dispatch_after(dispatch_time(DISPATCH_TIME_NOW, NSEC_PER_SEC), dispatch_get_main_queue(),
                 callback);
 
  [self waitForExpectationsWithTimeout:30.0 handler:nil];
 
  CGColorSpaceRelease(color_space);
}

testEngineConfigSyncMethodWillExecuteWhenViewControllerInEngineIsCurrentViewControllerInViewDidAppear

- (void) testEngineConfigSyncMethodWillExecuteWhenViewControllerInEngineIsCurrentViewControllerInViewDidAppear

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                                                          {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
  [viewController viewDidAppear:YES];
  OCMVerify([viewController onUserSettingsChanged:nil]);
}

testEngineConfigSyncMethodWillExecuteWhenViewControllerInEngineIsCurrentViewControllerInViewWillAppear

- (void) testEngineConfigSyncMethodWillExecuteWhenViewControllerInEngineIsCurrentViewControllerInViewWillAppear

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                                                           {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
  [viewController viewWillAppear:YES];
  OCMVerify([viewController onUserSettingsChanged:nil]);
}

testEngineConfigSyncMethodWillExecuteWhenViewControllerInEngineIsCurrentViewControllerInViewWillDisappear

- (void) testEngineConfigSyncMethodWillExecuteWhenViewControllerInEngineIsCurrentViewControllerInViewWillDisappear

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                                                              {
  id lifecycleChannel = OCMClassMock([FlutterBasicMessageChannel class]);
  FlutterEnginePartialMock* mockEngine = [[FlutterEnginePartialMock alloc] init];
  mockEngine.lifecycleChannel = lifecycleChannel;
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
  mockEngine.viewController = viewController;
  [viewController viewWillDisappear:NO];
  OCMVerify([lifecycleChannel sendMessage:@"AppLifecycleState.inactive"]);
}

testEngineConfigSyncMethodWillNotExecuteWhenViewControllerInEngineIsNotCurrentViewControllerInViewDidAppear

- (void) testEngineConfigSyncMethodWillNotExecuteWhenViewControllerInEngineIsNotCurrentViewControllerInViewDidAppear

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                                                                {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewControllerA = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                 nibName:nil
                                                                                  bundle:nil];
  mockEngine.viewController = nil;
  FlutterViewController* viewControllerB = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                 nibName:nil
                                                                                  bundle:nil];
  mockEngine.viewController = nil;
  mockEngine.viewController = viewControllerB;
  [viewControllerA viewDidAppear:YES];
  OCMVerify(never(), [viewControllerA onUserSettingsChanged:nil]);
}

testEngineConfigSyncMethodWillNotExecuteWhenViewControllerInEngineIsNotCurrentViewControllerInViewWillAppear

- (void) testEngineConfigSyncMethodWillNotExecuteWhenViewControllerInEngineIsNotCurrentViewControllerInViewWillAppear

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                                                                 {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewControllerA = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                 nibName:nil
                                                                                  bundle:nil];
  mockEngine.viewController = nil;
  FlutterViewController* viewControllerB = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                 nibName:nil
                                                                                  bundle:nil];
  mockEngine.viewController = nil;
  mockEngine.viewController = viewControllerB;
  [viewControllerA viewWillAppear:YES];
  OCMVerify(never(), [viewControllerA onUserSettingsChanged:nil]);
}

testEngineConfigSyncMethodWillNotExecuteWhenViewControllerInEngineIsNotCurrentViewControllerInViewWillDisappear

- (void) testEngineConfigSyncMethodWillNotExecuteWhenViewControllerInEngineIsNotCurrentViewControllerInViewWillDisappear

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                                                                    {
  id lifecycleChannel = OCMClassMock([FlutterBasicMessageChannel class]);
  FlutterEnginePartialMock* mockEngine = [[FlutterEnginePartialMock alloc] init];
  mockEngine.lifecycleChannel = lifecycleChannel;
  FlutterViewController* viewControllerA = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                 nibName:nil
                                                                                  bundle:nil];
  FlutterViewController* viewControllerB = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                 nibName:nil
                                                                                  bundle:nil];
  mockEngine.viewController = viewControllerB;
  [viewControllerA viewDidDisappear:NO];
  OCMReject([lifecycleChannel sendMessage:@"AppLifecycleState.inactive"]);
}

testEnsureBottomInsetIsZeroWhenKeyboardDismissed

- (void) testEnsureBottomInsetIsZeroWhenKeyboardDismissed

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                         {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
 
  FlutterViewController* viewControllerMock = OCMPartialMock(viewController);
  CGRect keyboardFrame = CGRectZero;
  BOOL isLocal = YES;
  NSNotification* fakeNotification =
      [NSNotification notificationWithName:UIKeyboardWillHideNotification
                                    object:nil
                                  userInfo:@{
                                    @"UIKeyboardFrameEndUserInfoKey" : @(keyboardFrame),
                                    @"UIKeyboardAnimationDurationUserInfoKey" : @(0.25),
                                    @"UIKeyboardIsLocalUserInfoKey" : @(isLocal)
                                  }];
 
  viewControllerMock.targetViewInsetBottom = 10;
  [viewControllerMock handleKeyboardNotification:fakeNotification];
  XCTAssertTrue(viewControllerMock.targetViewInsetBottom == 0);
}

testEnsureViewportMetricsWillInvokeAndDisplayLinkWillInvalidateInViewDidDisappear

- (void) testEnsureViewportMetricsWillInvokeAndDisplayLinkWillInvalidateInViewDidDisappear

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                                          {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
  id viewControllerMock = OCMPartialMock(viewController);
  [viewControllerMock viewDidDisappear:YES];
  OCMVerify([viewControllerMock ensureViewportMetricsIsCorrect]);
  OCMVerify([viewControllerMock invalidateKeyboardAnimationVSyncClient]);
}

testFakeEventTimeStamp

- (void) testFakeEventTimeStamp

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                               {
  FlutterViewController* vc = [[FlutterViewController alloc] initWithEngine:self.mockEngine
                                                                    nibName:nil
                                                                     bundle:nil];
  XCTAssertNotNil(vc);
 
  flutter::PointerData pointer_data = [vc generatePointerDataForFake];
  int64_t current_micros = [[NSProcessInfo processInfo] systemUptime] * 1000 * 1000;
  int64_t interval_micros = current_micros - pointer_data.time_stamp;
  const int64_t tolerance_millis = 2;
  XCTAssertTrue(interval_micros / 1000 < tolerance_millis,
                @"PointerData.time_stamp should be equal to NSProcessInfo.systemUptime");
}

testFirstFrameCallback

- (void) testFirstFrameCallback

implementation

Definition at line 13 of file FlutterViewControllerTest.m.

                               {
  XCTestExpectation* firstFrameRendered = [self expectationWithDescription:@"firstFrameRendered"];
 
  FlutterEngine* engine = [[FlutterEngine alloc] initWithName:@"test" project:nil];
  [engine runWithEntrypoint:nil];
  self.flutterViewController = [[FlutterViewController alloc] initWithEngine:engine
                                                                     nibName:nil
                                                                      bundle:nil];
 
  XCTAssertFalse(self.flutterViewController.isDisplayingFlutterUI);
 
  XCTestExpectation* displayingFlutterUIExpectation =
      [self keyValueObservingExpectationForObject:self.flutterViewController
                                          keyPath:@"displayingFlutterUI"
                                    expectedValue:@YES];
  displayingFlutterUIExpectation.assertForOverFulfill = YES;
 
  [self.flutterViewController setFlutterViewDidRenderCallback:^{
    [firstFrameRendered fulfill];
  }];
 
  AppDelegate* appDelegate = (AppDelegate*)UIApplication.sharedApplication.delegate;
  UIViewController* rootVC = appDelegate.window.rootViewController;
  [rootVC presentViewController:self.flutterViewController animated:NO completion:nil];
 
  [self waitForExpectationsWithTimeout:30.0 handler:nil];
}

testFlutterViewControllerStartKeyboardAnimationWillCreateVsyncClientCorrectly

- (void) testFlutterViewControllerStartKeyboardAnimationWillCreateVsyncClientCorrectly

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                                      {
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:engine
                                                                                nibName:nil
                                                                                 bundle:nil];
  viewController.targetViewInsetBottom = 100;
  [viewController startKeyBoardAnimation:0.25];
  XCTAssertNotNil(viewController.keyboardAnimationVSyncClient);
}

testHandleKeyboardNotification

- (void) testHandleKeyboardNotification

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                       {
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:engine
                                                                                nibName:nil
                                                                                 bundle:nil];
  // keyboard is empty
  UIScreen* screen = [self setUpMockScreen];
  CGFloat screenWidth = screen.bounds.size.width;
  CGFloat screenHeight = screen.bounds.size.height;
  CGRect keyboardFrame = CGRectMake(0, screenHeight - 320, screenWidth, 320);
  CGRect viewFrame = screen.bounds;
  BOOL isLocal = YES;
  NSNotification* notification =
      [NSNotification notificationWithName:UIKeyboardWillShowNotification
                                    object:nil
                                  userInfo:@{
                                    @"UIKeyboardFrameEndUserInfoKey" : @(keyboardFrame),
                                    @"UIKeyboardAnimationDurationUserInfoKey" : @0.25,
                                    @"UIKeyboardIsLocalUserInfoKey" : @(isLocal)
                                  }];
  FlutterViewController* viewControllerMock = OCMPartialMock(viewController);
  [self setUpMockView:viewControllerMock
               screen:screen
            viewFrame:viewFrame
       convertedFrame:viewFrame];
  viewControllerMock.targetViewInsetBottom = 0;
  XCTestExpectation* expectation = [self expectationWithDescription:@"update viewport"];
  OCMStub([viewControllerMock updateViewportMetricsIfNeeded]).andDo(^(NSInvocation* invocation) {
    [expectation fulfill];
  });
 
  [viewControllerMock handleKeyboardNotification:notification];
  XCTAssertTrue(viewControllerMock.targetViewInsetBottom == 320 * screen.scale);
  OCMVerify([viewControllerMock startKeyBoardAnimation:0.25]);
  [self waitForExpectationsWithTimeout:5.0 handler:nil];
}

testHideOverlay

- (void) testHideOverlay

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                        {
  FlutterDartProject* project = [[FlutterDartProject alloc] init];
  FlutterEngine* engine = [[FlutterEngine alloc] initWithName:@"foobar" project:project];
  [engine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* realVC = [[FlutterViewController alloc] initWithEngine:engine
                                                                        nibName:nil
                                                                         bundle:nil];
  XCTAssertFalse(realVC.prefersHomeIndicatorAutoHidden, @"");
  [[NSNotificationCenter defaultCenter] postNotificationName:FlutterViewControllerHideHomeIndicator
                                                      object:nil];
  XCTAssertTrue(realVC.prefersHomeIndicatorAutoHidden, @"");
  engine.viewController = nil;
}

testInternalPluginsInvokeInViewDidLoad

- (void) testInternalPluginsInvokeInViewDidLoad

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                               {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
  UIView* view = viewController.view;
  // The implementation in viewDidLoad requires the viewControllers.viewLoaded is true.
  // Accessing the view to make sure the view loads in the memory,
  // which makes viewControllers.viewLoaded true.
  XCTAssertNotNil(view);
  [viewController viewDidLoad];
  OCMVerify([viewController addInternalPlugins]);
}

testInternalPluginsWeakPtrNotCrash

- (void) testInternalPluginsWeakPtrNotCrash

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                           {
  FlutterSendKeyEvent sendEvent;
  @autoreleasepool {
    FlutterViewController* vc = [[FlutterViewController alloc] initWithProject:nil
                                                                       nibName:nil
                                                                        bundle:nil];
    [vc addInternalPlugins];
    FlutterKeyboardManager* keyboardManager = vc.keyboardManager;
    FlutterEmbedderKeyResponder* keyPrimaryResponder = (FlutterEmbedderKeyResponder*)
        [(NSArray<id<FlutterKeyPrimaryResponder>>*)keyboardManager.primaryResponders firstObject];
    sendEvent = [keyPrimaryResponder sendEvent];
  }
 
  if (sendEvent) {
    sendEvent({}, nil, nil);
  }
}

testItReportsAccessibilityOnOffSwitchLabelsFlagNotSet

- (void) testItReportsAccessibilityOnOffSwitchLabelsFlagNotSet

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                              {
  if (@available(iOS 13, *)) {
    // noop
  } else {
    return;
  }
 
  // Setup test.
  FlutterViewController* viewController =
      [[FlutterViewController alloc] initWithEngine:self.mockEngine nibName:nil bundle:nil];
  id partialMockViewController = OCMPartialMock(viewController);
  OCMStub([partialMockViewController accessibilityIsOnOffSwitchLabelsEnabled]).andReturn(NO);
 
  // Exercise behavior under test.
  int32_t flags = [partialMockViewController accessibilityFlags];
 
  // Verify behavior.
  XCTAssert((flags & (int32_t)flutter::AccessibilityFeatureFlag::kOnOffSwitchLabels) == 0);
}

testItReportsAccessibilityOnOffSwitchLabelsFlagSet

- (void) testItReportsAccessibilityOnOffSwitchLabelsFlagSet

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                           {
  if (@available(iOS 13, *)) {
    // noop
  } else {
    return;
  }
 
  // Setup test.
  FlutterViewController* viewController =
      [[FlutterViewController alloc] initWithEngine:self.mockEngine nibName:nil bundle:nil];
  id partialMockViewController = OCMPartialMock(viewController);
  OCMStub([partialMockViewController accessibilityIsOnOffSwitchLabelsEnabled]).andReturn(YES);
 
  // Exercise behavior under test.
  int32_t flags = [partialMockViewController accessibilityFlags];
 
  // Verify behavior.
  XCTAssert((flags & (int32_t)flutter::AccessibilityFeatureFlag::kOnOffSwitchLabels) != 0);
}

testItReportsDarkPlatformBrightnessWhenTraitCollectionRequestsIt

- (void) testItReportsDarkPlatformBrightnessWhenTraitCollectionRequestsIt

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                         {
  if (@available(iOS 13, *)) {
    // noop
  } else {
    return;
  }
 
  // Setup test.
  id settingsChannel = OCMClassMock([FlutterBasicMessageChannel class]);
  OCMStub([self.mockEngine settingsChannel]).andReturn(settingsChannel);
  id mockTraitCollection =
      [self fakeTraitCollectionWithUserInterfaceStyle:UIUserInterfaceStyleDark];
 
  // We partially mock the real FlutterViewController to act as the OS and report
  // the UITraitCollection of our choice. Mocking the object under test is not
  // desirable, but given that the OS does not offer a DI approach to providing
  // our own UITraitCollection, this seems to be the least bad option.
  id partialMockVC = OCMPartialMock([[FlutterViewController alloc] initWithEngine:self.mockEngine
                                                                          nibName:nil
                                                                           bundle:nil]);
  OCMStub([partialMockVC traitCollection]).andReturn(mockTraitCollection);
 
  // Exercise behavior under test.
  [partialMockVC traitCollectionDidChange:nil];
 
  // Verify behavior.
  OCMVerify([settingsChannel sendMessage:[OCMArg checkWithBlock:^BOOL(id message) {
                               return [message[@"platformBrightness"] isEqualToString:@"dark"];
                             }]]);
 
  // Clean up mocks
  [partialMockVC stopMocking];
  [settingsChannel stopMocking];
  [mockTraitCollection stopMocking];
}

testItReportsHighContrastWhenTraitCollectionRequestsIt

- (void) testItReportsHighContrastWhenTraitCollectionRequestsIt

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                               {
  if (@available(iOS 13, *)) {
    // noop
  } else {
    return;
  }
 
  // Setup test.
  id settingsChannel = OCMClassMock([FlutterBasicMessageChannel class]);
  OCMStub([self.mockEngine settingsChannel]).andReturn(settingsChannel);
 
  id mockTraitCollection = [self fakeTraitCollectionWithContrast:UIAccessibilityContrastHigh];
 
  // We partially mock the real FlutterViewController to act as the OS and report
  // the UITraitCollection of our choice. Mocking the object under test is not
  // desirable, but given that the OS does not offer a DI approach to providing
  // our own UITraitCollection, this seems to be the least bad option.
  id partialMockVC = OCMPartialMock([[FlutterViewController alloc] initWithEngine:self.mockEngine
                                                                          nibName:nil
                                                                           bundle:nil]);
  OCMStub([partialMockVC traitCollection]).andReturn(mockTraitCollection);
 
  // Exercise behavior under test.
  [partialMockVC traitCollectionDidChange:mockTraitCollection];
 
  // Verify behavior.
  OCMVerify([settingsChannel sendMessage:[OCMArg checkWithBlock:^BOOL(id message) {
                               return [message[@"platformContrast"] isEqualToString:@"high"];
                             }]]);
 
  // Clean up mocks
  [partialMockVC stopMocking];
  [settingsChannel stopMocking];
  [mockTraitCollection stopMocking];
}

testItReportsLightPlatformBrightnessByDefault

- (void) testItReportsLightPlatformBrightnessByDefault

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                      {
  // Setup test.
  id settingsChannel = OCMClassMock([FlutterBasicMessageChannel class]);
  OCMStub([self.mockEngine settingsChannel]).andReturn(settingsChannel);
 
  FlutterViewController* vc = [[FlutterViewController alloc] initWithEngine:self.mockEngine
                                                                    nibName:nil
                                                                     bundle:nil];
 
  // Exercise behavior under test.
  [vc traitCollectionDidChange:nil];
 
  // Verify behavior.
  OCMVerify([settingsChannel sendMessage:[OCMArg checkWithBlock:^BOOL(id message) {
                               return [message[@"platformBrightness"] isEqualToString:@"light"];
                             }]]);
 
  // Clean up mocks
  [settingsChannel stopMocking];
}

testItReportsNormalPlatformContrastByDefault

- (void) testItReportsNormalPlatformContrastByDefault

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                     {
  if (@available(iOS 13, *)) {
    // noop
  } else {
    return;
  }
 
  // Setup test.
  id settingsChannel = OCMClassMock([FlutterBasicMessageChannel class]);
  OCMStub([self.mockEngine settingsChannel]).andReturn(settingsChannel);
 
  FlutterViewController* vc = [[FlutterViewController alloc] initWithEngine:self.mockEngine
                                                                    nibName:nil
                                                                     bundle:nil];
 
  // Exercise behavior under test.
  [vc traitCollectionDidChange:nil];
 
  // Verify behavior.
  OCMVerify([settingsChannel sendMessage:[OCMArg checkWithBlock:^BOOL(id message) {
                               return [message[@"platformContrast"] isEqualToString:@"normal"];
                             }]]);
 
  // Clean up mocks
  [settingsChannel stopMocking];
}

testItReportsPlatformBrightnessWhenViewWillAppear

- (void) testItReportsPlatformBrightnessWhenViewWillAppear

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                          {
  // Setup test.
  id settingsChannel = OCMClassMock([FlutterBasicMessageChannel class]);
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  OCMStub([mockEngine settingsChannel]).andReturn(settingsChannel);
  FlutterViewController* vc = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                    nibName:nil
                                                                     bundle:nil];
 
  // Exercise behavior under test.
  [vc viewWillAppear:false];
 
  // Verify behavior.
  OCMVerify([settingsChannel sendMessage:[OCMArg checkWithBlock:^BOOL(id message) {
                               return [message[@"platformBrightness"] isEqualToString:@"light"];
                             }]]);
 
  // Clean up mocks
  [settingsChannel stopMocking];
}

testItReportsPlatformContrastWhenViewWillAppear

- (void) testItReportsPlatformContrastWhenViewWillAppear

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                        {
  if (@available(iOS 13, *)) {
    // noop
  } else {
    return;
  }
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
 
  // Setup test.
  id settingsChannel = OCMClassMock([FlutterBasicMessageChannel class]);
  OCMStub([mockEngine settingsChannel]).andReturn(settingsChannel);
  FlutterViewController* vc = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                    nibName:nil
                                                                     bundle:nil];
 
  // Exercise behavior under test.
  [vc viewWillAppear:false];
 
  // Verify behavior.
  OCMVerify([settingsChannel sendMessage:[OCMArg checkWithBlock:^BOOL(id message) {
                               return [message[@"platformContrast"] isEqualToString:@"normal"];
                             }]]);
 
  // Clean up mocks
  [settingsChannel stopMocking];
}

testKeyboardAnimationIsShowingAndCompounding

- (void) testKeyboardAnimationIsShowingAndCompounding

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                     {
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:engine
                                                                                nibName:nil
                                                                                 bundle:nil];
  FlutterViewController* viewControllerMock = OCMPartialMock(viewController);
  UIScreen* screen = [self setUpMockScreen];
  CGRect viewFrame = screen.bounds;
  [self setUpMockView:viewControllerMock
               screen:screen
            viewFrame:viewFrame
       convertedFrame:viewFrame];
 
  BOOL isLocal = YES;
  CGFloat screenHeight = screen.bounds.size.height;
  CGFloat screenWidth = screen.bounds.size.height;
 
  // Start show keyboard animation.
  CGRect initialShowKeyboardBeginFrame = CGRectMake(0, screenHeight, screenWidth, 250);
  CGRect initialShowKeyboardEndFrame = CGRectMake(0, screenHeight - 250, screenWidth, 500);
  NSNotification* fakeNotification = [NSNotification
      notificationWithName:UIKeyboardWillChangeFrameNotification
                    object:nil
                  userInfo:@{
                    @"UIKeyboardFrameBeginUserInfoKey" : @(initialShowKeyboardBeginFrame),
                    @"UIKeyboardFrameEndUserInfoKey" : @(initialShowKeyboardEndFrame),
                    @"UIKeyboardAnimationDurationUserInfoKey" : @(0.25),
                    @"UIKeyboardIsLocalUserInfoKey" : @(isLocal)
                  }];
  viewControllerMock.targetViewInsetBottom = 0;
  [viewControllerMock handleKeyboardNotification:fakeNotification];
  BOOL isShowingAnimation1 = viewControllerMock.keyboardAnimationIsShowing;
  XCTAssertTrue(isShowingAnimation1);
 
  // Start compounding show keyboard animation.
  CGRect compoundingShowKeyboardBeginFrame = CGRectMake(0, screenHeight - 250, screenWidth, 250);
  CGRect compoundingShowKeyboardEndFrame = CGRectMake(0, screenHeight - 500, screenWidth, 500);
  fakeNotification = [NSNotification
      notificationWithName:UIKeyboardWillChangeFrameNotification
                    object:nil
                  userInfo:@{
                    @"UIKeyboardFrameBeginUserInfoKey" : @(compoundingShowKeyboardBeginFrame),
                    @"UIKeyboardFrameEndUserInfoKey" : @(compoundingShowKeyboardEndFrame),
                    @"UIKeyboardAnimationDurationUserInfoKey" : @(0.25),
                    @"UIKeyboardIsLocalUserInfoKey" : @(isLocal)
                  }];
 
  [viewControllerMock handleKeyboardNotification:fakeNotification];
  BOOL isShowingAnimation2 = viewControllerMock.keyboardAnimationIsShowing;
  XCTAssertTrue(isShowingAnimation2);
  XCTAssertTrue(isShowingAnimation1 == isShowingAnimation2);
 
  // Start hide keyboard animation.
  CGRect initialHideKeyboardBeginFrame = CGRectMake(0, screenHeight - 500, screenWidth, 250);
  CGRect initialHideKeyboardEndFrame = CGRectMake(0, screenHeight - 250, screenWidth, 500);
  fakeNotification = [NSNotification
      notificationWithName:UIKeyboardWillChangeFrameNotification
                    object:nil
                  userInfo:@{
                    @"UIKeyboardFrameBeginUserInfoKey" : @(initialHideKeyboardBeginFrame),
                    @"UIKeyboardFrameEndUserInfoKey" : @(initialHideKeyboardEndFrame),
                    @"UIKeyboardAnimationDurationUserInfoKey" : @(0.25),
                    @"UIKeyboardIsLocalUserInfoKey" : @(isLocal)
                  }];
 
  [viewControllerMock handleKeyboardNotification:fakeNotification];
  BOOL isShowingAnimation3 = viewControllerMock.keyboardAnimationIsShowing;
  XCTAssertFalse(isShowingAnimation3);
  XCTAssertTrue(isShowingAnimation2 != isShowingAnimation3);
 
  // Start compounding hide keyboard animation.
  CGRect compoundingHideKeyboardBeginFrame = CGRectMake(0, screenHeight - 250, screenWidth, 250);
  CGRect compoundingHideKeyboardEndFrame = CGRectMake(0, screenHeight, screenWidth, 500);
  fakeNotification = [NSNotification
      notificationWithName:UIKeyboardWillChangeFrameNotification
                    object:nil
                  userInfo:@{
                    @"UIKeyboardFrameBeginUserInfoKey" : @(compoundingHideKeyboardBeginFrame),
                    @"UIKeyboardFrameEndUserInfoKey" : @(compoundingHideKeyboardEndFrame),
                    @"UIKeyboardAnimationDurationUserInfoKey" : @(0.25),
                    @"UIKeyboardIsLocalUserInfoKey" : @(isLocal)
                  }];
 
  [viewControllerMock handleKeyboardNotification:fakeNotification];
  BOOL isShowingAnimation4 = viewControllerMock.keyboardAnimationIsShowing;
  XCTAssertFalse(isShowingAnimation4);
  XCTAssertTrue(isShowingAnimation3 == isShowingAnimation4);
}

testKeyboardAnimationWillNotCrashWhenEngineDestroyed

- (void) testKeyboardAnimationWillNotCrashWhenEngineDestroyed

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                             {
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:engine
                                                                                nibName:nil
                                                                                 bundle:nil];
  [viewController setUpKeyboardAnimationVsyncClient:^(fml::TimePoint){
  }];
  [engine destroyContext];
}

testKeyboardAnimationWillWaitUIThreadVsync

- (void) testKeyboardAnimationWillWaitUIThreadVsync

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                   {
  // We need to make sure the new viewport metrics get sent after the
  // begin frame event has processed. And this test is to expect that the callback
  // will sync with UI thread. So just simulate a lot of works on UI thread and
  // test the keyboard animation callback will execute until UI task completed.
  // Related issue: https://github.com/flutter/flutter/issues/120555.
 
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:engine
                                                                                nibName:nil
                                                                                 bundle:nil];
  // Post a task to UI thread to block the thread.
  const int delayTime = 1;
  [engine uiTaskRunner]->PostTask([] { sleep(delayTime); });
  XCTestExpectation* expectation = [self expectationWithDescription:@"keyboard animation callback"];
 
  __block CFTimeInterval fulfillTime;
  FlutterKeyboardAnimationCallback callback = ^(fml::TimePoint targetTime) {
    fulfillTime = CACurrentMediaTime();
    [expectation fulfill];
  };
  CFTimeInterval startTime = CACurrentMediaTime();
  [viewController setUpKeyboardAnimationVsyncClient:callback];
  [self waitForExpectationsWithTimeout:5.0 handler:nil];
  XCTAssertTrue(fulfillTime - startTime > delayTime);
}

testLifeCycleNotificationBecameActive

- (void) testLifeCycleNotificationBecameActive

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                              {
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* flutterViewController =
      [[FlutterViewController alloc] initWithEngine:engine nibName:nil bundle:nil];
  UIWindow* window = [[UIWindow alloc] init];
  [window addSubview:flutterViewController.view];
  flutterViewController.view.bounds = CGRectMake(0, 0, 100, 100);
  [flutterViewController viewDidLayoutSubviews];
  NSNotification* sceneNotification =
      [NSNotification notificationWithName:UISceneDidActivateNotification object:nil userInfo:nil];
  NSNotification* applicationNotification =
      [NSNotification notificationWithName:UIApplicationDidBecomeActiveNotification
                                    object:nil
                                  userInfo:nil];
  id mockVC = OCMPartialMock(flutterViewController);
  [[NSNotificationCenter defaultCenter] postNotification:sceneNotification];
  [[NSNotificationCenter defaultCenter] postNotification:applicationNotification];
#if APPLICATION_EXTENSION_API_ONLY
  OCMVerify([mockVC sceneBecameActive:[OCMArg any]]);
  OCMReject([mockVC applicationBecameActive:[OCMArg any]]);
#else
  OCMReject([mockVC sceneBecameActive:[OCMArg any]]);
  OCMVerify([mockVC applicationBecameActive:[OCMArg any]]);
#endif
  XCTAssertFalse(flutterViewController.isKeyboardInOrTransitioningFromBackground);
  OCMVerify([mockVC surfaceUpdated:YES]);
  XCTestExpectation* timeoutApplicationLifeCycle =
      [self expectationWithDescription:@"timeoutApplicationLifeCycle"];
  dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1 * NSEC_PER_SEC)),
                 dispatch_get_main_queue(), ^{
                   [timeoutApplicationLifeCycle fulfill];
                   OCMVerify([mockVC goToApplicationLifecycle:@"AppLifecycleState.resumed"]);
                   [flutterViewController deregisterNotifications];
                 });
  [self waitForExpectationsWithTimeout:5.0 handler:nil];
}

testLifeCycleNotificationCancelledInvalidResumed

- (void) testLifeCycleNotificationCancelledInvalidResumed

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                         {
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* flutterViewController =
      [[FlutterViewController alloc] initWithEngine:engine nibName:nil bundle:nil];
  NSNotification* applicationDidBecomeActiveNotification =
      [NSNotification notificationWithName:UIApplicationDidBecomeActiveNotification
                                    object:nil
                                  userInfo:nil];
  NSNotification* applicationWillResignActiveNotification =
      [NSNotification notificationWithName:UIApplicationWillResignActiveNotification
                                    object:nil
                                  userInfo:nil];
  id mockVC = OCMPartialMock(flutterViewController);
  [[NSNotificationCenter defaultCenter] postNotification:applicationDidBecomeActiveNotification];
  [[NSNotificationCenter defaultCenter] postNotification:applicationWillResignActiveNotification];
#if APPLICATION_EXTENSION_API_ONLY
#else
  OCMVerify([mockVC goToApplicationLifecycle:@"AppLifecycleState.inactive"]);
#endif
 
  XCTestExpectation* timeoutApplicationLifeCycle =
      [self expectationWithDescription:@"timeoutApplicationLifeCycle"];
  dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1 * NSEC_PER_SEC)),
                 dispatch_get_main_queue(), ^{
                   OCMReject([mockVC goToApplicationLifecycle:@"AppLifecycleState.resumed"]);
                   [timeoutApplicationLifeCycle fulfill];
                   [flutterViewController deregisterNotifications];
                 });
  [self waitForExpectationsWithTimeout:5.0 handler:nil];
}

testLifeCycleNotificationDidEnterBackground

- (void) testLifeCycleNotificationDidEnterBackground

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                    {
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* flutterViewController =
      [[FlutterViewController alloc] initWithEngine:engine nibName:nil bundle:nil];
  NSNotification* sceneNotification =
      [NSNotification notificationWithName:UISceneDidEnterBackgroundNotification
                                    object:nil
                                  userInfo:nil];
  NSNotification* applicationNotification =
      [NSNotification notificationWithName:UIApplicationDidEnterBackgroundNotification
                                    object:nil
                                  userInfo:nil];
  id mockVC = OCMPartialMock(flutterViewController);
  [[NSNotificationCenter defaultCenter] postNotification:sceneNotification];
  [[NSNotificationCenter defaultCenter] postNotification:applicationNotification];
#if APPLICATION_EXTENSION_API_ONLY
  OCMVerify([mockVC sceneDidEnterBackground:[OCMArg any]]);
  OCMReject([mockVC applicationDidEnterBackground:[OCMArg any]]);
#else
  OCMReject([mockVC sceneDidEnterBackground:[OCMArg any]]);
  OCMVerify([mockVC applicationDidEnterBackground:[OCMArg any]]);
#endif
  XCTAssertTrue(flutterViewController.isKeyboardInOrTransitioningFromBackground);
  OCMVerify([mockVC surfaceUpdated:NO]);
  OCMVerify([mockVC goToApplicationLifecycle:@"AppLifecycleState.paused"]);
  [flutterViewController deregisterNotifications];
}

testLifeCycleNotificationWillEnterForeground

- (void) testLifeCycleNotificationWillEnterForeground

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                     {
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* flutterViewController =
      [[FlutterViewController alloc] initWithEngine:engine nibName:nil bundle:nil];
  NSNotification* sceneNotification =
      [NSNotification notificationWithName:UISceneWillEnterForegroundNotification
                                    object:nil
                                  userInfo:nil];
  NSNotification* applicationNotification =
      [NSNotification notificationWithName:UIApplicationWillEnterForegroundNotification
                                    object:nil
                                  userInfo:nil];
  id mockVC = OCMPartialMock(flutterViewController);
  [[NSNotificationCenter defaultCenter] postNotification:sceneNotification];
  [[NSNotificationCenter defaultCenter] postNotification:applicationNotification];
#if APPLICATION_EXTENSION_API_ONLY
  OCMVerify([mockVC sceneWillEnterForeground:[OCMArg any]]);
  OCMReject([mockVC applicationWillEnterForeground:[OCMArg any]]);
#else
  OCMReject([mockVC sceneWillEnterForeground:[OCMArg any]]);
  OCMVerify([mockVC applicationWillEnterForeground:[OCMArg any]]);
#endif
  OCMVerify([mockVC goToApplicationLifecycle:@"AppLifecycleState.inactive"]);
  [flutterViewController deregisterNotifications];
}

testLifeCycleNotificationWillResignActive

- (void) testLifeCycleNotificationWillResignActive

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                  {
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* flutterViewController =
      [[FlutterViewController alloc] initWithEngine:engine nibName:nil bundle:nil];
  NSNotification* sceneNotification =
      [NSNotification notificationWithName:UISceneWillDeactivateNotification
                                    object:nil
                                  userInfo:nil];
  NSNotification* applicationNotification =
      [NSNotification notificationWithName:UIApplicationWillResignActiveNotification
                                    object:nil
                                  userInfo:nil];
  id mockVC = OCMPartialMock(flutterViewController);
  [[NSNotificationCenter defaultCenter] postNotification:sceneNotification];
  [[NSNotificationCenter defaultCenter] postNotification:applicationNotification];
#if APPLICATION_EXTENSION_API_ONLY
  OCMVerify([mockVC sceneWillResignActive:[OCMArg any]]);
  OCMReject([mockVC applicationWillResignActive:[OCMArg any]]);
#else
  OCMReject([mockVC sceneWillResignActive:[OCMArg any]]);
  OCMVerify([mockVC applicationWillResignActive:[OCMArg any]]);
#endif
  OCMVerify([mockVC goToApplicationLifecycle:@"AppLifecycleState.inactive"]);
  [flutterViewController deregisterNotifications];
}

testLifeCycleNotificationWillTerminate

- (void) testLifeCycleNotificationWillTerminate

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                               {
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* flutterViewController =
      [[FlutterViewController alloc] initWithEngine:engine nibName:nil bundle:nil];
  NSNotification* sceneNotification =
      [NSNotification notificationWithName:UISceneDidDisconnectNotification
                                    object:nil
                                  userInfo:nil];
  NSNotification* applicationNotification =
      [NSNotification notificationWithName:UIApplicationWillTerminateNotification
                                    object:nil
                                  userInfo:nil];
  id mockVC = OCMPartialMock(flutterViewController);
  id mockEngine = OCMPartialMock(engine);
  OCMStub([mockVC engine]).andReturn(mockEngine);
  [[NSNotificationCenter defaultCenter] postNotification:sceneNotification];
  [[NSNotificationCenter defaultCenter] postNotification:applicationNotification];
#if APPLICATION_EXTENSION_API_ONLY
  OCMVerify([mockVC sceneWillDisconnect:[OCMArg any]]);
  OCMReject([mockVC applicationWillTerminate:[OCMArg any]]);
#else
  OCMReject([mockVC sceneWillDisconnect:[OCMArg any]]);
  OCMVerify([mockVC applicationWillTerminate:[OCMArg any]]);
#endif
  OCMVerify([mockVC goToApplicationLifecycle:@"AppLifecycleState.detached"]);
  OCMVerify([mockEngine destroyContext]);
  [flutterViewController deregisterNotifications];
}

testNotifyLowMemory

- (void) testNotifyLowMemory

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                            {
  FlutterEnginePartialMock* mockEngine = [[FlutterEnginePartialMock alloc] init];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
  id viewControllerMock = OCMPartialMock(viewController);
  OCMStub([viewControllerMock surfaceUpdated:NO]);
  [viewController beginAppearanceTransition:NO animated:NO];
  [viewController endAppearanceTransition];
  XCTAssertTrue(mockEngine.didCallNotifyLowMemory);
}

testPerformOrientationUpdateDoesNotForceOrientationChange

- (void) testPerformOrientationUpdateDoesNotForceOrientationChange

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                  {
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskAll
                          currentOrientation:UIInterfaceOrientationPortrait
                        didChangeOrientation:NO
                        resultingOrientation:static_cast<UIInterfaceOrientation>(0)];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskAll
                          currentOrientation:UIInterfaceOrientationPortraitUpsideDown
                        didChangeOrientation:NO
                        resultingOrientation:static_cast<UIInterfaceOrientation>(0)];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskAll
                          currentOrientation:UIInterfaceOrientationLandscapeLeft
                        didChangeOrientation:NO
                        resultingOrientation:static_cast<UIInterfaceOrientation>(0)];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskAll
                          currentOrientation:UIInterfaceOrientationLandscapeRight
                        didChangeOrientation:NO
                        resultingOrientation:static_cast<UIInterfaceOrientation>(0)];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskAllButUpsideDown
                          currentOrientation:UIInterfaceOrientationPortrait
                        didChangeOrientation:NO
                        resultingOrientation:static_cast<UIInterfaceOrientation>(0)];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskAllButUpsideDown
                          currentOrientation:UIInterfaceOrientationLandscapeLeft
                        didChangeOrientation:NO
                        resultingOrientation:static_cast<UIInterfaceOrientation>(0)];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskAllButUpsideDown
                          currentOrientation:UIInterfaceOrientationLandscapeRight
                        didChangeOrientation:NO
                        resultingOrientation:static_cast<UIInterfaceOrientation>(0)];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskPortrait
                          currentOrientation:UIInterfaceOrientationPortrait
                        didChangeOrientation:NO
                        resultingOrientation:static_cast<UIInterfaceOrientation>(0)];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskPortraitUpsideDown
                          currentOrientation:UIInterfaceOrientationPortraitUpsideDown
                        didChangeOrientation:NO
                        resultingOrientation:static_cast<UIInterfaceOrientation>(0)];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskLandscape
                          currentOrientation:UIInterfaceOrientationLandscapeLeft
                        didChangeOrientation:NO
                        resultingOrientation:static_cast<UIInterfaceOrientation>(0)];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskLandscape
                          currentOrientation:UIInterfaceOrientationLandscapeRight
                        didChangeOrientation:NO
                        resultingOrientation:static_cast<UIInterfaceOrientation>(0)];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskLandscapeLeft
                          currentOrientation:UIInterfaceOrientationLandscapeLeft
                        didChangeOrientation:NO
                        resultingOrientation:static_cast<UIInterfaceOrientation>(0)];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskLandscapeRight
                          currentOrientation:UIInterfaceOrientationLandscapeRight
                        didChangeOrientation:NO
                        resultingOrientation:static_cast<UIInterfaceOrientation>(0)];
}

testPerformOrientationUpdateForcesOrientationChange

- (void) testPerformOrientationUpdateForcesOrientationChange

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                            {
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskPortrait
                          currentOrientation:UIInterfaceOrientationLandscapeLeft
                        didChangeOrientation:YES
                        resultingOrientation:UIInterfaceOrientationPortrait];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskPortrait
                          currentOrientation:UIInterfaceOrientationLandscapeRight
                        didChangeOrientation:YES
                        resultingOrientation:UIInterfaceOrientationPortrait];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskPortrait
                          currentOrientation:UIInterfaceOrientationPortraitUpsideDown
                        didChangeOrientation:YES
                        resultingOrientation:UIInterfaceOrientationPortrait];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskPortraitUpsideDown
                          currentOrientation:UIInterfaceOrientationLandscapeLeft
                        didChangeOrientation:YES
                        resultingOrientation:UIInterfaceOrientationPortraitUpsideDown];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskPortraitUpsideDown
                          currentOrientation:UIInterfaceOrientationLandscapeRight
                        didChangeOrientation:YES
                        resultingOrientation:UIInterfaceOrientationPortraitUpsideDown];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskPortraitUpsideDown
                          currentOrientation:UIInterfaceOrientationPortrait
                        didChangeOrientation:YES
                        resultingOrientation:UIInterfaceOrientationPortraitUpsideDown];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskLandscape
                          currentOrientation:UIInterfaceOrientationPortrait
                        didChangeOrientation:YES
                        resultingOrientation:UIInterfaceOrientationLandscapeLeft];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskLandscape
                          currentOrientation:UIInterfaceOrientationPortraitUpsideDown
                        didChangeOrientation:YES
                        resultingOrientation:UIInterfaceOrientationLandscapeLeft];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskLandscapeLeft
                          currentOrientation:UIInterfaceOrientationPortrait
                        didChangeOrientation:YES
                        resultingOrientation:UIInterfaceOrientationLandscapeLeft];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskLandscapeLeft
                          currentOrientation:UIInterfaceOrientationLandscapeRight
                        didChangeOrientation:YES
                        resultingOrientation:UIInterfaceOrientationLandscapeLeft];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskLandscapeLeft
                          currentOrientation:UIInterfaceOrientationPortraitUpsideDown
                        didChangeOrientation:YES
                        resultingOrientation:UIInterfaceOrientationLandscapeLeft];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskLandscapeRight
                          currentOrientation:UIInterfaceOrientationPortrait
                        didChangeOrientation:YES
                        resultingOrientation:UIInterfaceOrientationLandscapeRight];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskLandscapeRight
                          currentOrientation:UIInterfaceOrientationLandscapeLeft
                        didChangeOrientation:YES
                        resultingOrientation:UIInterfaceOrientationLandscapeRight];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskLandscapeRight
                          currentOrientation:UIInterfaceOrientationPortraitUpsideDown
                        didChangeOrientation:YES
                        resultingOrientation:UIInterfaceOrientationLandscapeRight];
 
  [self orientationTestWithOrientationUpdate:UIInterfaceOrientationMaskAllButUpsideDown
                          currentOrientation:UIInterfaceOrientationPortraitUpsideDown
                        didChangeOrientation:YES
                        resultingOrientation:UIInterfaceOrientationPortrait];
}

testReleasesKeyboardManagerOnDealloc

- (void) testReleasesKeyboardManagerOnDealloc

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                             {
  __weak FlutterKeyboardManager* weakKeyboardManager = nil;
  @autoreleasepool {
    FlutterViewController* viewController = [[FlutterViewController alloc] init];
 
    [viewController addInternalPlugins];
    weakKeyboardManager = viewController.keyboardManager;
    XCTAssertNotNil(weakKeyboardManager);
    [viewController deregisterNotifications];
    viewController = nil;
  }
  // View controller has released the keyboard manager.
  XCTAssertNil(weakKeyboardManager);
}

testSetupKeyboardAnimationVsyncClientWillCreateNewVsyncClientForFlutterViewController

- (void) testSetupKeyboardAnimationVsyncClientWillCreateNewVsyncClientForFlutterViewController

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                                              {
  id bundleMock = OCMPartialMock([NSBundle mainBundle]);
  OCMStub([bundleMock objectForInfoDictionaryKey:@"CADisableMinimumFrameDurationOnPhone"])
      .andReturn(@YES);
  id mockDisplayLinkManager = [OCMockObject mockForClass:[DisplayLinkManager class]];
  double maxFrameRate = 120;
  [[[mockDisplayLinkManager stub] andReturnValue:@(maxFrameRate)] displayRefreshRate];
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:engine
                                                                                nibName:nil
                                                                                 bundle:nil];
  FlutterKeyboardAnimationCallback callback = ^(fml::TimePoint targetTime) {
  };
  [viewController setUpKeyboardAnimationVsyncClient:callback];
  XCTAssertNotNil(viewController.keyboardAnimationVSyncClient);
  CADisplayLink* link = [viewController.keyboardAnimationVSyncClient getDisplayLink];
  XCTAssertNotNil(link);
  if (@available(iOS 15.0, *)) {
    XCTAssertEqual(link.preferredFrameRateRange.maximum, maxFrameRate);
    XCTAssertEqual(link.preferredFrameRateRange.preferred, maxFrameRate);
    XCTAssertEqual(link.preferredFrameRateRange.minimum, maxFrameRate / 2);
  } else {
    XCTAssertEqual(link.preferredFramesPerSecond, maxFrameRate);
  }
}

testSetupKeyboardAnimationVsyncClientWillNotCreateNewVsyncClientWhenKeyboardAnimationCallbackIsNil

- (void) testSetupKeyboardAnimationVsyncClientWillNotCreateNewVsyncClientWhenKeyboardAnimationCallbackIsNil

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                                                       {
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:engine
                                                                                nibName:nil
                                                                                 bundle:nil];
  [viewController setUpKeyboardAnimationVsyncClient:nil];
  XCTAssertNil(viewController.keyboardAnimationVSyncClient);
}

testSetupKeyboardSpringAnimationIfNeeded

- (void) testSetupKeyboardSpringAnimationIfNeeded

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                 {
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:engine
                                                                                nibName:nil
                                                                                 bundle:nil];
  FlutterViewController* viewControllerMock = OCMPartialMock(viewController);
  UIScreen* screen = [self setUpMockScreen];
  CGRect viewFrame = screen.bounds;
  [self setUpMockView:viewControllerMock
               screen:screen
            viewFrame:viewFrame
       convertedFrame:viewFrame];
 
  // Null check.
  [viewControllerMock setUpKeyboardSpringAnimationIfNeeded:nil];
  SpringAnimation* keyboardSpringAnimation = [viewControllerMock keyboardSpringAnimation];
  XCTAssertTrue(keyboardSpringAnimation == nil);
 
  // CAAnimation that is not a CASpringAnimation.
  CABasicAnimation* nonSpringAnimation = [CABasicAnimation animation];
  nonSpringAnimation.duration = 1.0;
  nonSpringAnimation.fromValue = [NSNumber numberWithFloat:0.0];
  nonSpringAnimation.toValue = [NSNumber numberWithFloat:1.0];
  nonSpringAnimation.keyPath = @"position";
  [viewControllerMock setUpKeyboardSpringAnimationIfNeeded:nonSpringAnimation];
  keyboardSpringAnimation = [viewControllerMock keyboardSpringAnimation];
 
  XCTAssertTrue(keyboardSpringAnimation == nil);
 
  // CASpringAnimation.
  CASpringAnimation* springAnimation = [CASpringAnimation animation];
  springAnimation.mass = 1.0;
  springAnimation.stiffness = 100.0;
  springAnimation.damping = 10.0;
  springAnimation.keyPath = @"position";
  springAnimation.fromValue = [NSValue valueWithCGPoint:CGPointMake(0, 0)];
  springAnimation.toValue = [NSValue valueWithCGPoint:CGPointMake(100, 100)];
  [viewControllerMock setUpKeyboardSpringAnimationIfNeeded:springAnimation];
  keyboardSpringAnimation = [viewControllerMock keyboardSpringAnimation];
  XCTAssertTrue(keyboardSpringAnimation != nil);
}

testShouldIgnoreKeyboardNotification

- (void) testShouldIgnoreKeyboardNotification

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                             {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
  FlutterViewController* viewControllerMock = OCMPartialMock(viewController);
  UIScreen* screen = [self setUpMockScreen];
  CGRect viewFrame = screen.bounds;
  [self setUpMockView:viewControllerMock
               screen:screen
            viewFrame:viewFrame
       convertedFrame:viewFrame];
 
  CGFloat screenWidth = screen.bounds.size.width;
  CGFloat screenHeight = screen.bounds.size.height;
  CGRect emptyKeyboard = CGRectZero;
  CGRect zeroHeightKeyboard = CGRectMake(0, 0, screenWidth, 0);
  CGRect validKeyboardEndFrame = CGRectMake(0, screenHeight - 320, screenWidth, 320);
  BOOL isLocal = NO;
 
  // Hide notification, valid keyboard
  NSNotification* notification =
      [NSNotification notificationWithName:UIKeyboardWillHideNotification
                                    object:nil
                                  userInfo:@{
                                    @"UIKeyboardFrameEndUserInfoKey" : @(validKeyboardEndFrame),
                                    @"UIKeyboardAnimationDurationUserInfoKey" : @0.25,
                                    @"UIKeyboardIsLocalUserInfoKey" : @(isLocal)
                                  }];
 
  BOOL shouldIgnore = [viewControllerMock shouldIgnoreKeyboardNotification:notification];
  XCTAssertTrue(shouldIgnore == NO);
 
  // All zero keyboard
  isLocal = YES;
  notification = [NSNotification notificationWithName:UIKeyboardWillChangeFrameNotification
                                               object:nil
                                             userInfo:@{
                                               @"UIKeyboardFrameEndUserInfoKey" : @(emptyKeyboard),
                                               @"UIKeyboardAnimationDurationUserInfoKey" : @0.25,
                                               @"UIKeyboardIsLocalUserInfoKey" : @(isLocal)
                                             }];
  shouldIgnore = [viewControllerMock shouldIgnoreKeyboardNotification:notification];
  XCTAssertTrue(shouldIgnore == YES);
 
  // Zero height keyboard
  isLocal = NO;
  notification =
      [NSNotification notificationWithName:UIKeyboardWillChangeFrameNotification
                                    object:nil
                                  userInfo:@{
                                    @"UIKeyboardFrameEndUserInfoKey" : @(zeroHeightKeyboard),
                                    @"UIKeyboardAnimationDurationUserInfoKey" : @0.25,
                                    @"UIKeyboardIsLocalUserInfoKey" : @(isLocal)
                                  }];
  shouldIgnore = [viewControllerMock shouldIgnoreKeyboardNotification:notification];
  XCTAssertTrue(shouldIgnore == NO);
 
  // Valid keyboard, triggered from another app
  isLocal = NO;
  notification =
      [NSNotification notificationWithName:UIKeyboardWillChangeFrameNotification
                                    object:nil
                                  userInfo:@{
                                    @"UIKeyboardFrameEndUserInfoKey" : @(validKeyboardEndFrame),
                                    @"UIKeyboardAnimationDurationUserInfoKey" : @0.25,
                                    @"UIKeyboardIsLocalUserInfoKey" : @(isLocal)
                                  }];
  shouldIgnore = [viewControllerMock shouldIgnoreKeyboardNotification:notification];
  XCTAssertTrue(shouldIgnore == YES);
 
  // Valid keyboard
  isLocal = YES;
  notification =
      [NSNotification notificationWithName:UIKeyboardWillChangeFrameNotification
                                    object:nil
                                  userInfo:@{
                                    @"UIKeyboardFrameEndUserInfoKey" : @(validKeyboardEndFrame),
                                    @"UIKeyboardAnimationDurationUserInfoKey" : @0.25,
                                    @"UIKeyboardIsLocalUserInfoKey" : @(isLocal)
                                  }];
  shouldIgnore = [viewControllerMock shouldIgnoreKeyboardNotification:notification];
  XCTAssertTrue(shouldIgnore == NO);
 
  if (@available(iOS 13.0, *)) {
    // noop
  } else {
    // Valid keyboard, keyboard is in background
    OCMStub([viewControllerMock isKeyboardInOrTransitioningFromBackground]).andReturn(YES);
 
    isLocal = YES;
    notification =
        [NSNotification notificationWithName:UIKeyboardWillChangeFrameNotification
                                      object:nil
                                    userInfo:@{
                                      @"UIKeyboardFrameEndUserInfoKey" : @(validKeyboardEndFrame),
                                      @"UIKeyboardAnimationDurationUserInfoKey" : @0.25,
                                      @"UIKeyboardIsLocalUserInfoKey" : @(isLocal)
                                    }];
    shouldIgnore = [viewControllerMock shouldIgnoreKeyboardNotification:notification];
    XCTAssertTrue(shouldIgnore == YES);
  }
}

testSplashScreenViewCanSetNil

- (void) testSplashScreenViewCanSetNil

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                      {
  FlutterViewController* flutterViewController =
      [[FlutterViewController alloc] initWithProject:nil nibName:nil bundle:nil];
  [flutterViewController setSplashScreenView:nil];
}

testSplashScreenViewRemoveNotCrash

- (void) testSplashScreenViewRemoveNotCrash

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                           {
  FlutterEngine* engine = [[FlutterEngine alloc] initWithName:@"engine" project:nil];
  [engine runWithEntrypoint:nil];
  FlutterViewController* flutterViewController =
      [[FlutterViewController alloc] initWithEngine:engine nibName:nil bundle:nil];
  [flutterViewController setSplashScreenView:[[UIView alloc] init]];
  [flutterViewController setSplashScreenView:nil];
}

testStartKeyboardAnimationWillInvokeSetupKeyboardSpringAnimationIfNeeded

- (void) testStartKeyboardAnimationWillInvokeSetupKeyboardSpringAnimationIfNeeded

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                                 {
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:engine
                                                                                nibName:nil
                                                                                 bundle:nil];
  FlutterViewController* viewControllerMock = OCMPartialMock(viewController);
  viewControllerMock.targetViewInsetBottom = 100;
  [viewControllerMock startKeyBoardAnimation:0.25];
 
  CAAnimation* keyboardAnimation =
      [[viewControllerMock keyboardAnimationView].layer animationForKey:@"position"];
 
  OCMVerify([viewControllerMock setUpKeyboardSpringAnimationIfNeeded:keyboardAnimation]);
}

testSupportsShowingSystemContextMenuForIOS16AndAbove

- (void) testSupportsShowingSystemContextMenuForIOS16AndAbove

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                             {
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:engine
                                                                                nibName:nil
                                                                                 bundle:nil];
  BOOL supportsShowingSystemContextMenu = [viewController supportsShowingSystemContextMenu];
  if (@available(iOS 16.0, *)) {
    XCTAssertTrue(supportsShowingSystemContextMenu);
  } else {
    XCTAssertFalse(supportsShowingSystemContextMenu);
  }
}

testTriggerTouchRateCorrectionVSyncClientCorrectly

- (void) testTriggerTouchRateCorrectionVSyncClientCorrectly

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                           {
  id mockDisplayLinkManager = [OCMockObject mockForClass:[DisplayLinkManager class]];
  double maxFrameRate = 120;
  [[[mockDisplayLinkManager stub] andReturnValue:@(maxFrameRate)] displayRefreshRate];
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:engine
                                                                                nibName:nil
                                                                                 bundle:nil];
  [viewController loadView];
  [viewController viewDidLoad];
 
  VSyncClient* client = viewController.touchRateCorrectionVSyncClient;
  CADisplayLink* link = [client getDisplayLink];
 
  UITouch* fakeTouchBegan = [[UITouch alloc] init];
  fakeTouchBegan.phase = UITouchPhaseBegan;
 
  UITouch* fakeTouchMove = [[UITouch alloc] init];
  fakeTouchMove.phase = UITouchPhaseMoved;
 
  UITouch* fakeTouchEnd = [[UITouch alloc] init];
  fakeTouchEnd.phase = UITouchPhaseEnded;
 
  UITouch* fakeTouchCancelled = [[UITouch alloc] init];
  fakeTouchCancelled.phase = UITouchPhaseCancelled;
 
  [viewController
      triggerTouchRateCorrectionIfNeeded:[[NSSet alloc] initWithObjects:fakeTouchBegan, nil]];
  XCTAssertFalse(link.isPaused);
 
  [viewController
      triggerTouchRateCorrectionIfNeeded:[[NSSet alloc] initWithObjects:fakeTouchEnd, nil]];
  XCTAssertTrue(link.isPaused);
 
  [viewController
      triggerTouchRateCorrectionIfNeeded:[[NSSet alloc] initWithObjects:fakeTouchMove, nil]];
  XCTAssertFalse(link.isPaused);
 
  [viewController
      triggerTouchRateCorrectionIfNeeded:[[NSSet alloc] initWithObjects:fakeTouchCancelled, nil]];
  XCTAssertTrue(link.isPaused);
 
  [viewController
      triggerTouchRateCorrectionIfNeeded:[[NSSet alloc]
                                             initWithObjects:fakeTouchBegan, fakeTouchEnd, nil]];
  XCTAssertFalse(link.isPaused);
 
  [viewController
      triggerTouchRateCorrectionIfNeeded:[[NSSet alloc] initWithObjects:fakeTouchEnd,
                                                                        fakeTouchCancelled, nil]];
  XCTAssertTrue(link.isPaused);
 
  [viewController
      triggerTouchRateCorrectionIfNeeded:[[NSSet alloc]
                                             initWithObjects:fakeTouchMove, fakeTouchEnd, nil]];
  XCTAssertFalse(link.isPaused);
}

testUpdateViewportMetricsIfNeeded_DoesInvokeEngineWhenIsTheViewController

- (void) testUpdateViewportMetricsIfNeeded_DoesInvokeEngineWhenIsTheViewController

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                                  {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
  mockEngine.viewController = viewController;
  flutter::ViewportMetrics viewportMetrics;
  OCMExpect([mockEngine updateViewportMetrics:viewportMetrics]).ignoringNonObjectArgs();
  [viewController updateViewportMetricsIfNeeded];
  OCMVerifyAll(mockEngine);
}

testUpdateViewportMetricsIfNeeded_DoesNotInvokeEngineWhenShouldBeIgnoredDuringRotation

- (void) testUpdateViewportMetricsIfNeeded_DoesNotInvokeEngineWhenShouldBeIgnoredDuringRotation

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                                               {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
  FlutterViewController* viewControllerMock = OCMPartialMock(viewController);
  UIScreen* screen = [self setUpMockScreen];
  OCMStub([viewControllerMock flutterScreenIfViewLoaded]).andReturn(screen);
  mockEngine.viewController = viewController;
 
  id mockCoordinator = OCMProtocolMock(@protocol(UIViewControllerTransitionCoordinator));
  OCMStub([mockCoordinator transitionDuration]).andReturn(0.5);
 
  // Mimic the device rotation.
  [viewController viewWillTransitionToSize:CGSizeZero withTransitionCoordinator:mockCoordinator];
  // Should not trigger the engine call when during rotation.
  [viewController updateViewportMetricsIfNeeded];
 
  OCMVerify(never(), [mockEngine updateViewportMetrics:flutter::ViewportMetrics()]);
}

testUpdateViewportMetricsIfNeeded_DoesntInvokeEngineWhenNotTheViewController

- (void) testUpdateViewportMetricsIfNeeded_DoesntInvokeEngineWhenNotTheViewController

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                                     {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewControllerA = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                 nibName:nil
                                                                                  bundle:nil];
  mockEngine.viewController = nil;
  FlutterViewController* viewControllerB = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                 nibName:nil
                                                                                  bundle:nil];
  mockEngine.viewController = viewControllerB;
  [viewControllerA updateViewportMetricsIfNeeded];
  flutter::ViewportMetrics viewportMetrics;
  OCMVerify(never(), [mockEngine updateViewportMetrics:viewportMetrics]);
}

testViewControllerIsReleased

- (void) testViewControllerIsReleased

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                     {
  __weak FlutterViewController* weakViewController;
  @autoreleasepool {
    FlutterViewController* viewController = [[FlutterViewController alloc] init];
    weakViewController = viewController;
    [viewController viewDidLoad];
  }
  XCTAssertNil(weakViewController);
}

testViewDidDisappearDoesntPauseEngineWhenNotTheViewController

- (void) testViewDidDisappearDoesntPauseEngineWhenNotTheViewController

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                      {
  id lifecycleChannel = OCMClassMock([FlutterBasicMessageChannel class]);
  FlutterEnginePartialMock* mockEngine = [[FlutterEnginePartialMock alloc] init];
  mockEngine.lifecycleChannel = lifecycleChannel;
  FlutterViewController* viewControllerA =
      [[FlutterViewController alloc] initWithEngine:self.mockEngine nibName:nil bundle:nil];
  FlutterViewController* viewControllerB =
      [[FlutterViewController alloc] initWithEngine:self.mockEngine nibName:nil bundle:nil];
  id viewControllerMock = OCMPartialMock(viewControllerA);
  OCMStub([viewControllerMock surfaceUpdated:NO]);
  mockEngine.viewController = viewControllerB;
  [viewControllerA viewDidDisappear:NO];
  OCMReject([lifecycleChannel sendMessage:@"AppLifecycleState.paused"]);
  OCMReject([viewControllerMock surfaceUpdated:[OCMArg any]]);
}

testViewDidDisappearDoesPauseEngineWhenIsTheViewController

- (void) testViewDidDisappearDoesPauseEngineWhenIsTheViewController

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                   {
  id lifecycleChannel = OCMClassMock([FlutterBasicMessageChannel class]);
  FlutterEnginePartialMock* mockEngine = [[FlutterEnginePartialMock alloc] init];
  mockEngine.lifecycleChannel = lifecycleChannel;
  __weak FlutterViewController* weakViewController;
  @autoreleasepool {
    FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                  nibName:nil
                                                                                   bundle:nil];
    weakViewController = viewController;
    id viewControllerMock = OCMPartialMock(viewController);
    OCMStub([viewControllerMock surfaceUpdated:NO]);
    [viewController viewDidDisappear:NO];
    OCMVerify([lifecycleChannel sendMessage:@"AppLifecycleState.paused"]);
    OCMVerify([viewControllerMock surfaceUpdated:NO]);
  }
  XCTAssertNil(weakViewController);
}

testViewDidLoadDoesInvokeEngineWhenIsTheViewController

- (void) testViewDidLoadDoesInvokeEngineWhenIsTheViewController

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                               {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  mockEngine.viewController = nil;
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
  mockEngine.viewController = viewController;
  UIView* view = viewController.view;
  XCTAssertNotNil(view);
  OCMVerify(times(1), [mockEngine attachView]);
}

testViewDidLoadDoesntInvokeEngineAttachViewWhenEngineNeedsLaunch

- (void) testViewDidLoadDoesntInvokeEngineAttachViewWhenEngineNeedsLaunch

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                         {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  mockEngine.viewController = nil;
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
  // sharedSetupWithProject sets the engine needs to be launched.
  [viewController sharedSetupWithProject:nil initialRoute:nil];
  mockEngine.viewController = viewController;
  UIView* view = viewController.view;
  XCTAssertNotNil(view);
  OCMVerify(never(), [mockEngine attachView]);
}

testViewDidLoadDoesntInvokeEngineWhenNotTheViewController

- (void) testViewDidLoadDoesntInvokeEngineWhenNotTheViewController

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                  {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewControllerA = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                 nibName:nil
                                                                                  bundle:nil];
  mockEngine.viewController = nil;
  FlutterViewController* viewControllerB = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                 nibName:nil
                                                                                  bundle:nil];
  mockEngine.viewController = viewControllerB;
  UIView* view = viewControllerA.view;
  XCTAssertNotNil(view);
  OCMVerify(never(), [mockEngine attachView]);
}

testViewDidLoadWillInvokeCreateTouchRateCorrectionVSyncClient

- (void) testViewDidLoadWillInvokeCreateTouchRateCorrectionVSyncClient

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                      {
  FlutterEngine* engine = [[FlutterEngine alloc] init];
  [engine runWithEntrypoint:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:engine
                                                                                nibName:nil
                                                                                 bundle:nil];
  FlutterViewController* viewControllerMock = OCMPartialMock(viewController);
  [viewControllerMock loadView];
  [viewControllerMock viewDidLoad];
  OCMVerify([viewControllerMock createTouchRateCorrectionVSyncClientIfNeeded]);
}

testViewWillTransitionToSize_DoesDelayEngineCallIfNonZeroDuration

- (void) testViewWillTransitionToSize_DoesDelayEngineCallIfNonZeroDuration

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                          {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
  FlutterViewController* viewControllerMock = OCMPartialMock(viewController);
  UIScreen* screen = [self setUpMockScreen];
  OCMStub([viewControllerMock flutterScreenIfViewLoaded]).andReturn(screen);
  mockEngine.viewController = viewController;
 
  // Mimic the device rotation with non-zero transition duration.
  NSTimeInterval transitionDuration = 0.5;
  id mockCoordinator = OCMProtocolMock(@protocol(UIViewControllerTransitionCoordinator));
  OCMStub([mockCoordinator transitionDuration]).andReturn(transitionDuration);
 
  flutter::ViewportMetrics viewportMetrics;
  OCMExpect([mockEngine updateViewportMetrics:viewportMetrics]).ignoringNonObjectArgs();
 
  [viewController viewWillTransitionToSize:CGSizeZero withTransitionCoordinator:mockCoordinator];
  // Should not immediately call the engine (this request should be ignored).
  [viewController updateViewportMetricsIfNeeded];
  OCMVerify(never(), [mockEngine updateViewportMetrics:flutter::ViewportMetrics()]);
 
  // Should delay the engine call for half of the transition duration.
  // Wait for additional transitionDuration to allow updateViewportMetrics calls if any.
  XCTWaiterResult result = [XCTWaiter
      waitForExpectations:@[ [self expectationWithDescription:@"Waiting for rotation duration"] ]
                  timeout:transitionDuration];
  XCTAssertEqual(result, XCTWaiterResultTimedOut);
 
  OCMVerifyAll(mockEngine);
}

testViewWillTransitionToSize_DoesNotDelayEngineCallIfZeroDuration

- (void) testViewWillTransitionToSize_DoesNotDelayEngineCallIfZeroDuration

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                                                          {
  FlutterEngine* mockEngine = OCMPartialMock([[FlutterEngine alloc] init]);
  [mockEngine createShell:@"" libraryURI:@"" initialRoute:nil];
  FlutterViewController* viewController = [[FlutterViewController alloc] initWithEngine:mockEngine
                                                                                nibName:nil
                                                                                 bundle:nil];
  FlutterViewController* viewControllerMock = OCMPartialMock(viewController);
  UIScreen* screen = [self setUpMockScreen];
  OCMStub([viewControllerMock flutterScreenIfViewLoaded]).andReturn(screen);
  mockEngine.viewController = viewController;
 
  // Mimic the device rotation with zero transition duration.
  id mockCoordinator = OCMProtocolMock(@protocol(UIViewControllerTransitionCoordinator));
  OCMStub([mockCoordinator transitionDuration]).andReturn(0);
 
  flutter::ViewportMetrics viewportMetrics;
  OCMExpect([mockEngine updateViewportMetrics:viewportMetrics]).ignoringNonObjectArgs();
 
  // Should immediately trigger the engine call, without delay.
  [viewController viewWillTransitionToSize:CGSizeZero withTransitionCoordinator:mockCoordinator];
  [viewController updateViewportMetricsIfNeeded];
 
  OCMVerifyAll(mockEngine);
}

testWillDeallocNotification

- (void) testWillDeallocNotification

implementation

Definition at line 178 of file FlutterViewControllerTest.mm.

                                    {
  XCTestExpectation* expectation =
      [[XCTestExpectation alloc] initWithDescription:@"notification called"];
  id engine = [[MockEngine alloc] init];
  @autoreleasepool {
    // NOLINTNEXTLINE(clang-analyzer-deadcode.DeadStores)
    FlutterViewController* realVC = [[FlutterViewController alloc] initWithEngine:engine
                                                                          nibName:nil
                                                                           bundle:nil];
    [[NSNotificationCenter defaultCenter] addObserverForName:FlutterViewControllerWillDealloc
                                                      object:nil
                                                       queue:[NSOperationQueue mainQueue]
                                                  usingBlock:^(NSNotification* _Nonnull note) {
                                                    [expectation fulfill];
                                                  }];
    XCTAssertNotNil(realVC);
    realVC = nil;
  }
  [self waitForExpectations:@[ expectation ] timeout:1.0];
}

Property Documentation

flutterViewController

- (FlutterViewController*) flutterViewController

readwritenonatomicstrong

Definition at line 13 of file FlutterViewControllerTest.m.

messageSent

- (id) messageSent

readwritenonatomicstrong

Definition at line 172 of file FlutterViewControllerTest.mm.

mockEngine

- (id) mockEngine

readwritenonatomicstrong

Definition at line 170 of file FlutterViewControllerTest.mm.

mockTextInputPlugin

- (id) mockTextInputPlugin

readwritenonatomicstrong

Definition at line 171 of file FlutterViewControllerTest.mm.

---

The documentation for this class was generated from the following files:

• shell/platform/darwin/ios/framework/Source/FlutterViewControllerTest.mm
• testing/scenario_app/ios/Scenarios/ScenariosTests/FlutterViewControllerTest.m