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fl_view_accessible_test.cc
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Included first as it collides with the X11 headers.
6 #include "gtest/gtest.h"
7
8 #include "flutter/shell/platform/linux/fl_view_accessible.h"
9 #include "flutter/shell/platform/linux/public/flutter_linux/fl_engine.h"
10 #include "flutter/shell/platform/linux/testing/mock_signal_handler.h"
11
12 TEST(FlViewAccessibleTest, BuildTree) {
13 g_autoptr(FlDartProject) project = fl_dart_project_new();
14 g_autoptr(FlEngine) engine = fl_engine_new(project);
15 g_autoptr(FlViewAccessible) accessible = fl_view_accessible_new(engine, 456);
16
17 int32_t children[] = {111, 222};
18 FlutterSemanticsFlags flags = {};
19 FlutterSemanticsNode2 root_node = {.id = 0,
20 .label = "root",
21 .child_count = 2,
22 .children_in_traversal_order = children,
23 .flags2 = &flags};
24 FlutterSemanticsNode2 child1_node = {
25 .id = 111, .label = "child 1", .flags2 = &flags};
26 FlutterSemanticsNode2 child2_node = {
27 .id = 222, .label = "child 2", .flags2 = &flags};
28 FlutterSemanticsNode2* nodes[3] = {&root_node, &child1_node, &child2_node};
29 FlutterSemanticsUpdate2 update = {.node_count = 3, .nodes = nodes};
30 fl_view_accessible_handle_update_semantics(accessible, &update);
31
32 AtkObject* root_object =
33 atk_object_ref_accessible_child(ATK_OBJECT(accessible), 0);
34 EXPECT_STREQ(atk_object_get_name(root_object), "root");
35 EXPECT_EQ(atk_object_get_index_in_parent(root_object), 0);
36 EXPECT_EQ(atk_object_get_n_accessible_children(root_object), 2);
37
38 AtkObject* child1_object = atk_object_ref_accessible_child(root_object, 0);
39 EXPECT_STREQ(atk_object_get_name(child1_object), "child 1");
40 EXPECT_EQ(atk_object_get_parent(child1_object), root_object);
41 EXPECT_EQ(atk_object_get_index_in_parent(child1_object), 0);
42 EXPECT_EQ(atk_object_get_n_accessible_children(child1_object), 0);
43
44 AtkObject* child2_object = atk_object_ref_accessible_child(root_object, 1);
45 EXPECT_STREQ(atk_object_get_name(child2_object), "child 2");
46 EXPECT_EQ(atk_object_get_parent(child2_object), root_object);
47 EXPECT_EQ(atk_object_get_index_in_parent(child2_object), 1);
48 EXPECT_EQ(atk_object_get_n_accessible_children(child2_object), 0);
49 }
50
51 TEST(FlViewAccessibleTest, AddRemoveChildren) {
52 g_autoptr(FlDartProject) project = fl_dart_project_new();
53 g_autoptr(FlEngine) engine = fl_engine_new(project);
54 g_autoptr(FlViewAccessible) accessible = fl_view_accessible_new(engine, 456);
55
56 FlutterSemanticsFlags flags = {};
57 FlutterSemanticsNode2 root_node = {
58 .id = 0, .label = "root", .child_count = 0, .flags2 = &flags};
59 FlutterSemanticsNode2* nodes[1] = {&root_node};
60 FlutterSemanticsUpdate2 update = {.node_count = 1, .nodes = nodes};
61 fl_view_accessible_handle_update_semantics(accessible, &update);
62
63 AtkObject* root_object =
64 atk_object_ref_accessible_child(ATK_OBJECT(accessible), 0);
65 EXPECT_EQ(atk_object_get_n_accessible_children(root_object), 0);
66
67 // add child1
68 AtkObject* child1_object = nullptr;
69 FlutterSemanticsNode2 child1_node = {
70 .id = 111, .label = "child 1", .flags2 = &flags};
71 {
72 flutter::testing::MockSignalHandler2<gint, AtkObject*> child1_added(
73 root_object, "children-changed::add");
74 EXPECT_SIGNAL2(child1_added, ::testing::Eq(0), ::testing::A<AtkObject*>())
75 .WillOnce(::testing::SaveArg<1>(&child1_object));
76
77 int32_t children[] = {111};
78 root_node.child_count = 1;
79 root_node.children_in_traversal_order = children;
80 FlutterSemanticsNode2* nodes[2] = {&root_node, &child1_node};
81 FlutterSemanticsUpdate2 update = {.node_count = 2, .nodes = nodes};
82 fl_view_accessible_handle_update_semantics(accessible, &update);
83 }
84
85 EXPECT_EQ(atk_object_get_n_accessible_children(root_object), 1);
86 EXPECT_EQ(atk_object_ref_accessible_child(root_object, 0), child1_object);
87
88 EXPECT_STREQ(atk_object_get_name(child1_object), "child 1");
89 EXPECT_EQ(atk_object_get_parent(child1_object), root_object);
90 EXPECT_EQ(atk_object_get_index_in_parent(child1_object), 0);
91 EXPECT_EQ(atk_object_get_n_accessible_children(child1_object), 0);
92
93 // add child2
94 AtkObject* child2_object = nullptr;
95 FlutterSemanticsNode2 child2_node = {
96 .id = 222, .label = "child 2", .flags2 = &flags};
97 {
98 flutter::testing::MockSignalHandler2<gint, AtkObject*> child2_added(
99 root_object, "children-changed::add");
100 EXPECT_SIGNAL2(child2_added, ::testing::Eq(1), ::testing::A<AtkObject*>())
101 .WillOnce(::testing::SaveArg<1>(&child2_object));
102
103 int32_t children[] = {111, 222};
104 root_node.child_count = 2;
105 root_node.children_in_traversal_order = children;
106 FlutterSemanticsNode2* nodes[3] = {&root_node, &child1_node, &child2_node};
107 FlutterSemanticsUpdate2 update = {.node_count = 3, .nodes = nodes};
108 fl_view_accessible_handle_update_semantics(accessible, &update);
109 }
110
111 EXPECT_EQ(atk_object_get_n_accessible_children(root_object), 2);
112 EXPECT_EQ(atk_object_ref_accessible_child(root_object, 0), child1_object);
113 EXPECT_EQ(atk_object_ref_accessible_child(root_object, 1), child2_object);
114
115 EXPECT_STREQ(atk_object_get_name(child1_object), "child 1");
116 EXPECT_EQ(atk_object_get_parent(child1_object), root_object);
117 EXPECT_EQ(atk_object_get_index_in_parent(child1_object), 0);
118 EXPECT_EQ(atk_object_get_n_accessible_children(child1_object), 0);
119
120 EXPECT_STREQ(atk_object_get_name(child2_object), "child 2");
121 EXPECT_EQ(atk_object_get_parent(child2_object), root_object);
122 EXPECT_EQ(atk_object_get_index_in_parent(child2_object), 1);
123 EXPECT_EQ(atk_object_get_n_accessible_children(child2_object), 0);
124
125 // remove child1
126 {
127 flutter::testing::MockSignalHandler2<gint, AtkObject*> child1_removed(
128 root_object, "children-changed::remove");
129 EXPECT_SIGNAL2(child1_removed, ::testing::Eq(0),
130 ::testing::Eq(child1_object));
131
132 const int32_t children[] = {222};
133 root_node.child_count = 1;
134 root_node.children_in_traversal_order = children;
135 FlutterSemanticsNode2* nodes[3] = {&root_node, &child2_node};
136 FlutterSemanticsUpdate2 update = {.node_count = 2, .nodes = nodes};
137 fl_view_accessible_handle_update_semantics(accessible, &update);
138 }
139
140 EXPECT_EQ(atk_object_get_n_accessible_children(root_object), 1);
141 EXPECT_EQ(atk_object_ref_accessible_child(root_object, 0), child2_object);
142
143 EXPECT_STREQ(atk_object_get_name(child2_object), "child 2");
144 EXPECT_EQ(atk_object_get_parent(child2_object), root_object);
145 EXPECT_EQ(atk_object_get_index_in_parent(child2_object), 0);
146 EXPECT_EQ(atk_object_get_n_accessible_children(child2_object), 0);
147
148 // remove child2
149 {
150 flutter::testing::MockSignalHandler2<gint, AtkObject*> child2_removed(
151 root_object, "children-changed::remove");
152 EXPECT_SIGNAL2(child2_removed, ::testing::Eq(0),
153 ::testing::Eq(child2_object));
154
155 root_node.child_count = 0;
156 FlutterSemanticsNode2* nodes[1] = {&root_node};
157 FlutterSemanticsUpdate2 update = {.node_count = 1, .nodes = nodes};
158 fl_view_accessible_handle_update_semantics(accessible, &update);
159 }
160
161 EXPECT_EQ(atk_object_get_n_accessible_children(root_object), 0);
162 }
fl_dart_project_new
G_MODULE_EXPORT FlDartProject * fl_dart_project_new()
Definition: fl_dart_project.cc:52
fl_engine_new
G_MODULE_EXPORT FlEngine * fl_engine_new(FlDartProject *project)
Definition: fl_engine.cc:691
fl_engine.h
fl_view_accessible_new
FlViewAccessible * fl_view_accessible_new(FlEngine *engine, FlutterViewId view_id)
Definition: fl_view_accessible.cc:134
fl_view_accessible_handle_update_semantics
void fl_view_accessible_handle_update_semantics(FlViewAccessible *self, const FlutterSemanticsUpdate2 *update)
Definition: fl_view_accessible.cc:143
fl_view_accessible.h
TEST
TEST(FlViewAccessibleTest, BuildTree)
Definition: fl_view_accessible_test.cc:12