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embedder_frozen_unittests.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#include "flutter/shell/platform/embedder/embedder.h"
6#include "flutter/shell/platform/embedder/tests/embedder_frozen.h"
7#include "flutter/testing/testing.h"
8
9namespace flutter {
10namespace testing {
11
12// Assert that both types have the same member with the same offset.
13// This prevents reordering of "frozen" embedder API struct members.
14#define ASSERT_EQ_OFFSET(type1, type2, member) \
15 ASSERT_EQ(offsetof(type1, member), offsetof(type2, member))
16
17// New members must not be added to `FlutterTransformation`
18// as it would break the ABI of `FlutterSemanticsNode`.
19// See: https://github.com/flutter/flutter/issues/121176
31
32// New members must not be added to `FlutterRect` as it would
33// break the ABI of `FlutterSemanticsNode` and `FlutterDamage`.
34// See: https://github.com/flutter/flutter/issues/121176
35// See: https://github.com/flutter/flutter/issues/121347
42
43// New members must not be added to `FlutterPoint` as it would
44// break the ABI of `FlutterLayer`.
49
50// New members must not be added to `FlutterDamage` as it would
51// break the ABI of `FlutterPresentInfo`.
52TEST(EmbedderFrozen, FlutterDamageIsFrozen) {
53 ASSERT_EQ_OFFSET(FlutterDamage, FrozenFlutterDamage, struct_size);
54 ASSERT_EQ_OFFSET(FlutterDamage, FrozenFlutterDamage, num_rects);
55 ASSERT_EQ_OFFSET(FlutterDamage, FrozenFlutterDamage, damage);
56}
57
58// New members must not be added to `FlutterSemanticsNode`
59// as it would break the ABI of `FlutterSemanticsUpdate`.
60// See: https://github.com/flutter/flutter/issues/121176
61TEST(EmbedderFrozen, FlutterSemanticsNodeIsFrozen) {
62 ASSERT_EQ(sizeof(FlutterSemanticsNode), sizeof(FrozenFlutterSemanticsNode));
63
64 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
65 struct_size);
66 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode, id);
67 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode, flags);
68 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode, actions);
69 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
70 text_selection_base);
71 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
72 text_selection_extent);
73 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
74 scroll_child_count);
75 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
76 scroll_index);
77 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
78 scroll_position);
79 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
80 scroll_extent_max);
81 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
82 scroll_extent_min);
83 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode, elevation);
84 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode, thickness);
85 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode, label);
86 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode, hint);
87 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode, value);
88 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
89 increased_value);
90 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
91 decreased_value);
92 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
93 text_direction);
94 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode, rect);
95 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode, transform);
96 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
97 child_count);
98 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
99 children_in_traversal_order);
100 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
101 children_in_hit_test_order);
102 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
103 custom_accessibility_actions_count);
104 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
105 custom_accessibility_actions);
106 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
107 platform_view_id);
108 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode, tooltip);
109 ASSERT_EQ_OFFSET(FlutterSemanticsNode, FrozenFlutterSemanticsNode,
110 heading_level);
111}
112
113// New members must not be added to `FlutterSemanticsCustomAction`
114// as it would break the ABI of `FlutterSemanticsUpdate`.
115// See: https://github.com/flutter/flutter/issues/121176
131
132} // namespace testing
133} // namespace flutter
value
int32_t value
Definition dl_golden_unittests.cc:459
x
int32_t x
Definition dl_golden_unittests.cc:458
embedder_frozen.h
ASSERT_EQ_OFFSET
#define ASSERT_EQ_OFFSET(type1, type2, member)
Definition embedder_frozen_unittests.cc:14
transform
Matrix transform
Definition gaussian_blur_filter_contents.cc:214
y
double y
Definition mouse-input-test.cc:83
flutter::testing::TEST
TEST(NativeAssetsManagerTest, NoAvailableAssets)
Definition native_assets_unittests.cc:68
FlutterDamage
A structure to represent a damage region.
Definition embedder.h:664
FlutterPoint
A structure to represent a 2D point.
Definition embedder.h:649
FlutterRect
A structure to represent a rectangle.
Definition embedder.h:641