Flutter Linux Embedder
Functions
fl_view_test.cc File Reference
#include "flutter/shell/platform/linux/public/flutter_linux/fl_view.h"
#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/testing/fl_test.h"
#include "flutter/shell/platform/linux/testing/fl_test_gtk_logs.h"
#include "gtest/gtest.h"

Go to the source code of this file.

Functions

static void first_frame_cb (FlView *view, gboolean *first_frame_emitted)
 
 TEST (FlViewTest, GetEngine)
 
 TEST (FlViewTest, StateUpdateDoesNotHappenInInit)
 
 TEST (FlViewTest, FirstFrameSignal)
 
 TEST (FlViewTest, SecondaryView)
 
 TEST (FlViewTest, SecondaryViewError)
 
 TEST (FlViewTest, ViewDestroy)
 
 TEST (FlViewTest, ViewDestroyError)
 

Function Documentation

◆ first_frame_cb()

static void first_frame_cb ( FlView *  view,
gboolean *  first_frame_emitted 
)
static

Definition at line 13 of file fl_view_test.cc.

13  {
14  *first_frame_emitted = TRUE;
15 }

References TRUE.

Referenced by fl_application_activate(), and TEST().

◆ TEST() [1/7]

TEST ( FlViewTest  ,
FirstFrameSignal   
)

Definition at line 41 of file fl_view_test.cc.

41  {
42  flutter::testing::fl_ensure_gtk_init();
43 
44  g_autoptr(FlDartProject) project = fl_dart_project_new();
45  FlView* view = fl_view_new(project);
46  gboolean first_frame_emitted = FALSE;
47  g_signal_connect(view, "first-frame", G_CALLBACK(first_frame_cb),
48  &first_frame_emitted);
49 
50  EXPECT_FALSE(first_frame_emitted);
51 
52  fl_renderable_redraw(FL_RENDERABLE(view));
53 
54  // Signal is emitted in idle, clear the main loop.
55  while (g_main_context_iteration(g_main_context_default(), FALSE)) {
56  // Repeat until nothing to iterate on.
57  }
58 
59  // Check view has detected frame.
60  EXPECT_TRUE(first_frame_emitted);
61 }

References first_frame_cb(), fl_dart_project_new(), fl_renderable_redraw(), fl_view_new(), and view.

◆ TEST() [2/7]

TEST ( FlViewTest  ,
GetEngine   
)

Definition at line 17 of file fl_view_test.cc.

17  {
18  flutter::testing::fl_ensure_gtk_init();
19  g_autoptr(FlDartProject) project = fl_dart_project_new();
20  FlView* view = fl_view_new(project);
21 
22  // Check the engine is immediately available (i.e. before the widget is
23  // realized).
24  FlEngine* engine = fl_view_get_engine(view);
25  EXPECT_NE(engine, nullptr);
26 }

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

◆ TEST() [3/7]

TEST ( FlViewTest  ,
SecondaryView   
)

Definition at line 64 of file fl_view_test.cc.

64  {
65  flutter::testing::fl_ensure_gtk_init();
66 
67  g_autoptr(FlDartProject) project = fl_dart_project_new();
68  FlView* implicit_view = fl_view_new(project);
69 
70  FlEngine* engine = fl_view_get_engine(implicit_view);
71 
72  FlutterViewId view_id = -1;
73  fl_engine_get_embedder_api(engine)->AddView = MOCK_ENGINE_PROC(
74  AddView, ([&view_id](auto engine, const FlutterAddViewInfo* info) {
75  view_id = info->view_id;
76  FlutterAddViewResult result = {
77  .struct_size = sizeof(FlutterAddViewResult),
78  .added = true,
79  .user_data = info->user_data};
80  info->add_view_callback(&result);
81  return kSuccess;
82  }));
83 
84  g_autoptr(GError) error = nullptr;
85  EXPECT_TRUE(fl_engine_start(engine, &error));
86 
87  FlView* secondary_view = fl_view_new_for_engine(engine);
88  EXPECT_EQ(view_id, fl_view_get_id(secondary_view));
89 }

References error, fl_dart_project_new(), fl_engine_get_embedder_api(), fl_engine_start(), fl_view_get_engine(), fl_view_get_id(), fl_view_new(), fl_view_new_for_engine(), and user_data.

◆ TEST() [4/7]

TEST ( FlViewTest  ,
SecondaryViewError   
)

Definition at line 92 of file fl_view_test.cc.

92  {
93  flutter::testing::fl_ensure_gtk_init();
94 
95  g_autoptr(FlDartProject) project = fl_dart_project_new();
96  FlView* implicit_view = fl_view_new(project);
97 
98  FlEngine* engine = fl_view_get_engine(implicit_view);
99 
100  FlutterViewId view_id = -1;
101  fl_engine_get_embedder_api(engine)->AddView = MOCK_ENGINE_PROC(
102  AddView, ([&view_id](auto engine, const FlutterAddViewInfo* info) {
103  view_id = info->view_id;
104  return kInvalidArguments;
105  }));
106 
107  g_autoptr(GError) error = nullptr;
108  EXPECT_TRUE(fl_engine_start(engine, &error));
109 
110  FlView* secondary_view = fl_view_new_for_engine(engine);
111  EXPECT_EQ(view_id, fl_view_get_id(secondary_view));
112 }

References error, fl_dart_project_new(), fl_engine_get_embedder_api(), fl_engine_start(), fl_view_get_engine(), fl_view_get_id(), fl_view_new(), and fl_view_new_for_engine().

◆ TEST() [5/7]

TEST ( FlViewTest  ,
StateUpdateDoesNotHappenInInit   
)

Definition at line 28 of file fl_view_test.cc.

28  {
29  flutter::testing::fl_ensure_gtk_init();
30  g_autoptr(FlDartProject) project = fl_dart_project_new();
31  FlView* view = fl_view_new(project);
32  // Check that creating a view doesn't try to query the window state in
33  // initialization, causing a critical log to be issued.
34  EXPECT_EQ(
35  flutter::testing::fl_get_received_gtk_log_levels() & G_LOG_LEVEL_CRITICAL,
36  (GLogLevelFlags)0x0);
37 
38  (void)view;
39 }

References fl_dart_project_new(), fl_view_new(), and view.

◆ TEST() [6/7]

TEST ( FlViewTest  ,
ViewDestroy   
)

Definition at line 115 of file fl_view_test.cc.

115  {
116  flutter::testing::fl_ensure_gtk_init();
117 
118  g_autoptr(FlDartProject) project = fl_dart_project_new();
119  FlView* implicit_view = fl_view_new(project);
120 
121  FlEngine* engine = fl_view_get_engine(implicit_view);
122 
123  g_autoptr(GPtrArray) removed_views = g_ptr_array_new();
124  fl_engine_get_embedder_api(engine)->RemoveView = MOCK_ENGINE_PROC(
125  RemoveView,
126  ([removed_views](auto engine, const FlutterRemoveViewInfo* info) {
127  g_ptr_array_add(removed_views, GINT_TO_POINTER(info->view_id));
128  return kSuccess;
129  }));
130 
131  g_autoptr(GError) error = nullptr;
132  EXPECT_TRUE(fl_engine_start(engine, &error));
133 
134  FlView* secondary_view = fl_view_new_for_engine(engine);
135 
136  int64_t implicit_view_id = fl_view_get_id(implicit_view);
137  int64_t secondary_view_id = fl_view_get_id(secondary_view);
138 
139  gtk_widget_destroy(GTK_WIDGET(secondary_view));
140  gtk_widget_destroy(GTK_WIDGET(implicit_view));
141 
142  EXPECT_EQ(removed_views->len, 2u);
143  EXPECT_EQ(GPOINTER_TO_INT(g_ptr_array_index(removed_views, 0)),
144  secondary_view_id);
145  EXPECT_EQ(GPOINTER_TO_INT(g_ptr_array_index(removed_views, 1)),
146  implicit_view_id);
147 }

References error, fl_dart_project_new(), fl_engine_get_embedder_api(), fl_engine_start(), fl_view_get_engine(), fl_view_get_id(), fl_view_new(), and fl_view_new_for_engine().

◆ TEST() [7/7]

TEST ( FlViewTest  ,
ViewDestroyError   
)

Definition at line 150 of file fl_view_test.cc.

150  {
151  flutter::testing::fl_ensure_gtk_init();
152 
153  g_autoptr(FlDartProject) project = fl_dart_project_new();
154  FlView* implicit_view = fl_view_new(project);
155 
156  FlEngine* engine = fl_view_get_engine(implicit_view);
157 
158  fl_engine_get_embedder_api(engine)->RemoveView = MOCK_ENGINE_PROC(
159  RemoveView, ([](auto engine, const FlutterRemoveViewInfo* info) {
160  return kInvalidArguments;
161  }));
162 
163  g_autoptr(GError) error = nullptr;
164  EXPECT_TRUE(fl_engine_start(engine, &error));
165 
166  FlView* secondary_view = fl_view_new_for_engine(engine);
167 
168  gtk_widget_destroy(GTK_WIDGET(secondary_view));
169  gtk_widget_destroy(GTK_WIDGET(implicit_view));
170 }

References error, fl_dart_project_new(), fl_engine_get_embedder_api(), fl_engine_start(), fl_view_get_engine(), fl_view_new(), and fl_view_new_for_engine().

fl_engine_get_embedder_api
FlutterEngineProcTable * fl_engine_get_embedder_api(FlEngine *self)
Definition: fl_engine.cc:661
fl_view_get_id
G_MODULE_EXPORT int64_t fl_view_get_id(FlView *self)
Definition: fl_view.cc:833
fl_view_new_for_engine
G_MODULE_EXPORT FlView * fl_view_new_for_engine(FlEngine *engine)
Definition: fl_view.cc:803
fl_dart_project_new
G_MODULE_EXPORT FlDartProject * fl_dart_project_new()
Definition: fl_dart_project.cc:50
fl_view_new
G_MODULE_EXPORT FlView * fl_view_new(FlDartProject *project)
Definition: fl_view.cc:775
user_data
G_BEGIN_DECLS G_MODULE_EXPORT FlValue gpointer user_data
Definition: fl_event_channel.h:90
TRUE
return TRUE
Definition: fl_pixel_buffer_texture_test.cc:53
fl_view_get_engine
G_MODULE_EXPORT FlEngine * fl_view_get_engine(FlView *self)
Definition: fl_view.cc:827
view
FlView * view
Definition: fl_application.cc:35
error
const uint8_t uint32_t uint32_t GError ** error
Definition: fl_pixel_buffer_texture_test.cc:40
fl_renderable_redraw
void fl_renderable_redraw(FlRenderable *self)
Definition: fl_renderable.cc:11
fl_engine_start
gboolean fl_engine_start(FlEngine *self, GError **error)
Definition: fl_engine.cc:544
first_frame_cb
static void first_frame_cb(FlView *view, gboolean *first_frame_emitted)
Definition: fl_view_test.cc:13