FlutterEnginePlatformViewTest Class Reference

Inheritance diagram for FlutterEnginePlatformViewTest:

Instance Methods
(void)	- setUp [implementation]
(void)	- tearDown [implementation]
(fml::WeakPtr< flutter::PlatformView >)	- platformViewReplacement [implementation]
(void)	- testMsaaSampleCount [implementation]
(void)	- testCallsNotifyLowMemory [implementation]

Detailed Description

Definition at line 61 of file FlutterEnginePlatformViewTest.mm.

Method Documentation

platformViewReplacement

- (WeakPtr<) flutter:

implementation

Definition at line 67 of file FlutterEnginePlatformViewTest.mm.

                                                           {
  return weak_factory->GetWeakPtr();
}

setUp

- (void) setUp

implementation

Definition at line 67 of file FlutterEnginePlatformViewTest.mm.

              {
  fml::MessageLoop::EnsureInitializedForCurrentThread();
  auto thread_task_runner = fml::MessageLoop::GetCurrent().GetTaskRunner();
  auto sync_switch = std::make_shared<fml::SyncSwitch>();
  flutter::TaskRunners runners(/*label=*/self.name.UTF8String,
                               /*platform=*/thread_task_runner,
                               /*raster=*/thread_task_runner,
                               /*ui=*/thread_task_runner,
                               /*io=*/thread_task_runner);
  platform_view = std::make_unique<flutter::PlatformViewIOS>(
      /*delegate=*/fake_delegate,
      /*rendering_api=*/fake_delegate.settings_.enable_impeller
          ? flutter::IOSRenderingAPI::kMetal
          : flutter::IOSRenderingAPI::kSoftware,
      /*platform_views_controller=*/nil,
      /*task_runners=*/runners,
      /*worker_task_runner=*/nil,
      /*is_gpu_disabled_sync_switch=*/sync_switch);
  weak_factory = std::make_unique<fml::WeakPtrFactory<flutter::PlatformView>>(platform_view.get());
}

tearDown

- (void) tearDown

implementation

Definition at line 67 of file FlutterEnginePlatformViewTest.mm.

                 {
  weak_factory.reset();
  platform_view.reset();
}

testCallsNotifyLowMemory

- (void) testCallsNotifyLowMemory

implementation

Definition at line 67 of file FlutterEnginePlatformViewTest.mm.

                                 {
  FlutterEngine* engine = [[FlutterEngine alloc] initWithName:@"tester"];
  XCTAssertNotNil(engine);
  id mockEngine = OCMPartialMock(engine);
  OCMStub([mockEngine notifyLowMemory]);
  OCMStub([mockEngine iosPlatformView]).andReturn(platform_view.get());
 
  [engine setViewController:nil];
  OCMVerify([mockEngine notifyLowMemory]);
  OCMReject([mockEngine notifyLowMemory]);
 
  XCTNSNotificationExpectation* memoryExpectation = [[XCTNSNotificationExpectation alloc]
      initWithName:UIApplicationDidReceiveMemoryWarningNotification];
  [[NSNotificationCenter defaultCenter]
      postNotificationName:UIApplicationDidReceiveMemoryWarningNotification
                    object:nil];
  [self waitForExpectations:@[ memoryExpectation ] timeout:5.0];
  OCMVerify([mockEngine notifyLowMemory]);
  OCMReject([mockEngine notifyLowMemory]);
 
  XCTNSNotificationExpectation* backgroundExpectation = [[XCTNSNotificationExpectation alloc]
      initWithName:UIApplicationDidEnterBackgroundNotification];
  [[NSNotificationCenter defaultCenter]
      postNotificationName:UIApplicationDidEnterBackgroundNotification
                    object:nil];
  [self waitForExpectations:@[ backgroundExpectation ] timeout:5.0];
 
  OCMVerify([mockEngine notifyLowMemory]);
}

testMsaaSampleCount

- (void) testMsaaSampleCount

implementation

Definition at line 67 of file FlutterEnginePlatformViewTest.mm.

                            {
  if (fake_delegate.settings_.enable_impeller) {
    // Default should be 4 for Impeller.
    XCTAssertEqual(platform_view->GetIosContext()->GetMsaaSampleCount(), MsaaSampleCount::kFour);
  } else {
    // Default should be 1 for Skia.
    XCTAssertEqual(platform_view->GetIosContext()->GetMsaaSampleCount(), MsaaSampleCount::kNone);
  }
 
  // Verify the platform view creates a new context with updated msaa_samples.
  // Need to use Metal, since this is ignored for Software/GL.
  fake_delegate.settings_.msaa_samples = 4;
 
  auto thread_task_runner = fml::MessageLoop::GetCurrent().GetTaskRunner();
  auto sync_switch = std::make_shared<fml::SyncSwitch>();
  flutter::TaskRunners runners(/*label=*/self.name.UTF8String,
                               /*platform=*/thread_task_runner,
                               /*raster=*/thread_task_runner,
                               /*ui=*/thread_task_runner,
                               /*io=*/thread_task_runner);
  auto msaa_4x_platform_view = std::make_unique<flutter::PlatformViewIOS>(
      /*delegate=*/fake_delegate,
      /*rendering_api=*/flutter::IOSRenderingAPI::kMetal,
      /*platform_views_controller=*/nil,
      /*task_runners=*/runners,
      /*worker_task_runner=*/nil,
      /*is_gpu_disabled_sync_switch=*/sync_switch);
 
  XCTAssertEqual(msaa_4x_platform_view->GetIosContext()->GetMsaaSampleCount(),
                 MsaaSampleCount::kFour);
}

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

• shell/platform/darwin/ios/framework/Source/FlutterEnginePlatformViewTest.mm