fl_view_test.cc File Reference

#include "flutter/shell/platform/linux/public/flutter_linux/fl_view.h"
#include <memory>
#include "flutter/shell/platform/embedder/test_utils/proc_table_replacement.h"
#include "flutter/shell/platform/linux/fl_engine_private.h"
#include "flutter/shell/platform/linux/fl_text_input_handler.h"
#include "flutter/shell/platform/linux/fl_view_private.h"
#include "flutter/shell/platform/linux/testing/fl_test.h"
#include "flutter/shell/platform/linux/testing/fl_test_gtk_logs.h"
#include "flutter/shell/platform/linux/testing/mock_gtk.h"
#include "flutter/shell/platform/linux/testing/linux_test.h"
#include "gtest/gtest.h"

Go to the source code of this file.

Classes
class	FlViewTest

Functions
	TEST_F (FlViewTest, GetEngine)
	TEST_F (FlViewTest, StateUpdateDoesNotHappenInInit)
	TEST_F (FlViewTest, DisposeClearsTextInputWidget)
	TEST_F (FlViewTest, SemanticsUpdate)
	TEST_F (FlViewTest, SemanticsUpdateOtherView)
	TEST_F (FlViewTest, SecondaryView)
	TEST_F (FlViewTest, SecondaryViewError)
	TEST_F (FlViewTest, ViewDestroy)
	TEST_F (FlViewTest, ViewDestroyError)
	TEST_F (FlViewTest, SizedToContent)

Function Documentation

TEST_F() [1/10]

TEST_F	(	FlViewTest	,
		DisposeClearsTextInputWidget
	)

Definition at line 52 of file fl_view_test.cc.

                                                 {
  FlView* view = fl_view_new(project);
  g_object_ref_sink(view);
  g_autoptr(FlEngine) engine =
      FL_ENGINE(g_object_ref(fl_view_get_engine(view)));
  StartEngine(engine);
  FlTextInputHandler* handler = fl_engine_get_text_input_handler(engine);
 
  // Give the view text input focus.
  fl_text_input_handler_set_widget(handler, GTK_WIDGET(view));
  EXPECT_EQ(fl_text_input_handler_get_widget(handler), GTK_WIDGET(view));
 
  // Destroy the view while the engine and handler persist.
  g_object_unref(view);
 
  EXPECT_EQ(fl_text_input_handler_get_widget(handler), nullptr);
}

References engine, fl_engine_get_text_input_handler(), fl_text_input_handler_get_widget(), fl_text_input_handler_set_widget(), fl_view_get_engine(), fl_view_new(), g_autoptr(), handler, and view.

TEST_F() [2/10]

TEST_F	(	FlViewTest	,
		GetEngine
	)

Definition at line 29 of file fl_view_test.cc.

                              {
  FlView* view = fl_view_new(project);
 
  // Check the engine is immediately available (i.e. before the widget is
  // realized).
  FlEngine* engine = fl_view_get_engine(view);
  EXPECT_NE(engine, nullptr);
}

References engine, fl_view_get_engine(), fl_view_new(), and view.

TEST_F() [3/10]

TEST_F	(	FlViewTest	,
		SecondaryView
	)

Definition at line 137 of file fl_view_test.cc.

                                  {
  FlView* implicit_view = fl_view_new(project);
 
  FlEngine* engine = fl_view_get_engine(implicit_view);
 
  auto view_id = std::make_shared<FlutterViewId>(-1);
  fl_engine_get_embedder_api(engine)->AddView = MOCK_ENGINE_PROC(
      AddView, ([view_id](auto engine, const FlutterAddViewInfo* info) {
        *view_id = info->view_id;
        FlutterAddViewResult result = {
            .struct_size = sizeof(FlutterAddViewResult),
            .added = true,
            .user_data = info->user_data};
        info->add_view_callback(&result);
        return kSuccess;
      }));
 
  StartEngine(engine);
 
  FlView* secondary_view = fl_view_new_for_engine(engine);
  EXPECT_EQ(*view_id, fl_view_get_id(secondary_view));
}

References FlutterAddViewInfo::add_view_callback, FlutterEngineProcTable::AddView, engine, fl_engine_get_embedder_api(), fl_view_get_engine(), fl_view_get_id(), fl_view_new(), fl_view_new_for_engine(), kSuccess, MOCK_ENGINE_PROC, FlutterAddViewResult::struct_size, user_data, FlutterAddViewInfo::user_data, FlutterAddViewInfo::view_id, and view_id.

TEST_F() [4/10]

TEST_F	(	FlViewTest	,
		SecondaryViewError
	)

Definition at line 161 of file fl_view_test.cc.

                                       {
  FlView* implicit_view = fl_view_new(project);
 
  FlEngine* engine = fl_view_get_engine(implicit_view);
 
  auto view_id = std::make_shared<FlutterViewId>(-1);
  fl_engine_get_embedder_api(engine)->AddView = MOCK_ENGINE_PROC(
      AddView, ([view_id](auto engine, const FlutterAddViewInfo* info) {
        *view_id = info->view_id;
        return kInvalidArguments;
      }));
 
  StartEngine(engine);
 
  FlView* secondary_view = fl_view_new_for_engine(engine);
  EXPECT_EQ(*view_id, fl_view_get_id(secondary_view));
}

References FlutterEngineProcTable::AddView, engine, fl_engine_get_embedder_api(), fl_view_get_engine(), fl_view_get_id(), fl_view_new(), fl_view_new_for_engine(), kInvalidArguments, MOCK_ENGINE_PROC, FlutterAddViewInfo::view_id, and view_id.

TEST_F() [5/10]

TEST_F	(	FlViewTest	,
		SemanticsUpdate
	)

Definition at line 96 of file fl_view_test.cc.

                                    {
  FlView* view = fl_view_new(project);
 
  FlEngine* engine = fl_view_get_engine(view);
  StartEngine(engine);
 
  FlutterSemanticsFlags flags = {};
  FlutterSemanticsNode2 root_node = {
      .id = 0, .label = "root", .flags2 = &flags};
  FlutterSemanticsNode2* nodes[1] = {&root_node};
  FlutterSemanticsUpdate2 update = {
      .node_count = 1, .nodes = nodes, .view_id = 0};
  g_signal_emit_by_name(engine, "update-semantics", &update);
 
  FlViewAccessible* accessible = fl_view_get_accessible(view);
  EXPECT_EQ(atk_object_get_n_accessible_children(ATK_OBJECT(accessible)), 1);
  AtkObject* root_object =
      atk_object_ref_accessible_child(ATK_OBJECT(accessible), 0);
  EXPECT_STREQ(atk_object_get_name(root_object), "root");
}

References accessible, engine, fl_view_get_accessible(), fl_view_get_engine(), fl_view_new(), FlutterSemanticsNode2::id, FlutterSemanticsUpdate2::node_count, and view.

TEST_F() [6/10]

TEST_F	(	FlViewTest	,
		SemanticsUpdateOtherView
	)

Definition at line 118 of file fl_view_test.cc.

                                             {
  FlView* view = fl_view_new(project);
 
  FlEngine* engine = fl_view_get_engine(view);
  StartEngine(engine);
 
  FlutterSemanticsFlags flags = {};
  FlutterSemanticsNode2 root_node = {
      .id = 0, .label = "root", .flags2 = &flags};
  FlutterSemanticsNode2* nodes[1] = {&root_node};
  FlutterSemanticsUpdate2 update = {
      .node_count = 1, .nodes = nodes, .view_id = 99};
  g_signal_emit_by_name(engine, "update-semantics", &update);
 
  FlViewAccessible* accessible = fl_view_get_accessible(view);
  EXPECT_EQ(atk_object_get_n_accessible_children(ATK_OBJECT(accessible)), 0);
}

References accessible, engine, fl_view_get_accessible(), fl_view_get_engine(), fl_view_new(), FlutterSemanticsNode2::id, FlutterSemanticsUpdate2::node_count, and view.

TEST_F() [7/10]

TEST_F	(	FlViewTest	,
		SizedToContent
	)

Definition at line 230 of file fl_view_test.cc.

                                   {
  FlView* implicit_view = fl_view_new(project);
 
  FlEngine* engine = fl_view_get_engine(implicit_view);
 
  fl_engine_get_embedder_api(engine)->RemoveView = MOCK_ENGINE_PROC(
      RemoveView, ([](auto engine, const FlutterRemoveViewInfo* info) {
        return kInvalidArguments;
      }));
 
  StartEngine(engine);
 
  FlView* secondary_view = fl_view_new_sized_to_content(engine);
 
  fl_gtk_widget_destroy(GTK_WIDGET(secondary_view));
  fl_gtk_widget_destroy(GTK_WIDGET(implicit_view));
}

References engine, fl_engine_get_embedder_api(), fl_gtk_widget_destroy(), fl_view_get_engine(), fl_view_new(), fl_view_new_sized_to_content(), kInvalidArguments, MOCK_ENGINE_PROC, and FlutterEngineProcTable::RemoveView.

TEST_F() [8/10]

TEST_F	(	FlViewTest	,
		StateUpdateDoesNotHappenInInit
	)

Definition at line 38 of file fl_view_test.cc.

                                                   {
  FlView* view = fl_view_new(project);
  // Check that creating a view doesn't try to query the window state in
  // initialization, causing a critical log to be issued.
  EXPECT_EQ(
      flutter::testing::fl_get_received_gtk_log_levels() & G_LOG_LEVEL_CRITICAL,
      (GLogLevelFlags)0x0);
 
  (void)view;
}

References flutter::testing::fl_get_received_gtk_log_levels(), fl_view_new(), and view.

TEST_F() [9/10]

TEST_F	(	FlViewTest	,
		ViewDestroy
	)

Definition at line 180 of file fl_view_test.cc.

                                {
  FlView* implicit_view = fl_view_new(project);
 
  FlEngine* engine = fl_view_get_engine(implicit_view);
 
  g_autoptr(GPtrArray) removed_views = g_ptr_array_new();
  fl_engine_get_embedder_api(engine)->RemoveView = MOCK_ENGINE_PROC(
      RemoveView,
      ([removed_views](auto engine, const FlutterRemoveViewInfo* info) {
        g_ptr_array_add(removed_views, GINT_TO_POINTER(info->view_id));
        return kSuccess;
      }));
 
  StartEngine(engine);
 
  FlView* secondary_view = fl_view_new_for_engine(engine);
 
  int64_t implicit_view_id = fl_view_get_id(implicit_view);
  int64_t secondary_view_id = fl_view_get_id(secondary_view);
 
  fl_gtk_widget_destroy(GTK_WIDGET(secondary_view));
  fl_gtk_widget_destroy(GTK_WIDGET(implicit_view));
 
  EXPECT_EQ(removed_views->len, 2u);
  EXPECT_EQ(GPOINTER_TO_INT(g_ptr_array_index(removed_views, 0)),
            secondary_view_id);
  EXPECT_EQ(GPOINTER_TO_INT(g_ptr_array_index(removed_views, 1)),
            implicit_view_id);
}

References engine, fl_engine_get_embedder_api(), fl_gtk_widget_destroy(), fl_view_get_engine(), fl_view_get_id(), fl_view_new(), fl_view_new_for_engine(), g_autoptr(), kSuccess, MOCK_ENGINE_PROC, FlutterEngineProcTable::RemoveView, and FlutterRemoveViewInfo::view_id.

TEST_F() [10/10]

TEST_F	(	FlViewTest	,
		ViewDestroyError
	)

Definition at line 211 of file fl_view_test.cc.

                                     {
  FlView* implicit_view = fl_view_new(project);
 
  FlEngine* engine = fl_view_get_engine(implicit_view);
 
  fl_engine_get_embedder_api(engine)->RemoveView = MOCK_ENGINE_PROC(
      RemoveView, ([](auto engine, const FlutterRemoveViewInfo* info) {
        return kInvalidArguments;
      }));
 
  StartEngine(engine);
 
  FlView* secondary_view = fl_view_new_for_engine(engine);
 
  fl_gtk_widget_destroy(GTK_WIDGET(secondary_view));
  fl_gtk_widget_destroy(GTK_WIDGET(implicit_view));
}

References engine, fl_engine_get_embedder_api(), fl_gtk_widget_destroy(), fl_view_get_engine(), fl_view_new(), fl_view_new_for_engine(), kInvalidArguments, MOCK_ENGINE_PROC, and FlutterEngineProcTable::RemoveView.