1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
|
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/accessibility/ax_computed_node_data.h"
#include <memory>
#include <utility>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "testing/gmock/include/gmock/gmock-matchers.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/accessibility/ax_enums.mojom.h"
#include "ui/accessibility/ax_node_data.h"
#include "ui/accessibility/ax_node_id_forward.h"
#include "ui/accessibility/ax_position.h"
#include "ui/accessibility/ax_tree.h"
#include "ui/accessibility/ax_tree_data.h"
#include "ui/accessibility/ax_tree_id.h"
#include "ui/accessibility/test_single_ax_tree_manager.h"
namespace ui {
namespace {
class AXComputedNodeDataTest : public ::testing::Test,
public TestSingleAXTreeManager {
public:
AXComputedNodeDataTest();
~AXComputedNodeDataTest() override;
AXComputedNodeDataTest(const AXComputedNodeDataTest& other) = delete;
AXComputedNodeDataTest& operator=(const AXComputedNodeDataTest& other) =
delete;
void SetUp() override;
protected:
// Numbers at the end of variable names indicate their position under the
// root.
AXNodeData root_;
AXNodeData paragraph_0_;
AXNodeData static_text_0_0_ignored_;
AXNodeData paragraph_1_ignored_;
AXNodeData static_text_1_0_;
AXNodeData paragraph_2_ignored_;
AXNodeData link_2_0_ignored_;
AXNodeData static_text_2_0_0_;
AXNodeData static_text_2_0_1_;
raw_ptr<AXNode> root_node_;
};
AXComputedNodeDataTest::AXComputedNodeDataTest() = default;
AXComputedNodeDataTest::~AXComputedNodeDataTest() = default;
void AXComputedNodeDataTest::SetUp() {
// ++kRootWebArea contenteditable
// ++++kParagraph
// ++++++kStaticText IGNORED "i"
// ++++kParagraph IGNORED
// ++++++kStaticText "t_1"
// ++++kParagraph IGNORED
// ++++++kLink IGNORED
// ++++++++kStaticText "s+t++2...0. 0"
// ++++++++kStaticText "s t\n2\r0\r\n1"
root_.id = 1;
paragraph_0_.id = 2;
static_text_0_0_ignored_.id = 3;
paragraph_1_ignored_.id = 4;
static_text_1_0_.id = 5;
paragraph_2_ignored_.id = 6;
link_2_0_ignored_.id = 7;
static_text_2_0_0_.id = 8;
static_text_2_0_1_.id = 9;
root_.role = ax::mojom::Role::kRootWebArea;
root_.AddBoolAttribute(ax::mojom::BoolAttribute::kNonAtomicTextFieldRoot,
true);
root_.child_ids = {paragraph_0_.id, paragraph_1_ignored_.id,
paragraph_2_ignored_.id};
paragraph_0_.role = ax::mojom::Role::kParagraph;
paragraph_0_.AddBoolAttribute(ax::mojom::BoolAttribute::kIsLineBreakingObject,
true);
paragraph_0_.child_ids = {static_text_0_0_ignored_.id};
static_text_0_0_ignored_.role = ax::mojom::Role::kStaticText;
static_text_0_0_ignored_.AddState(ax::mojom::State::kIgnored);
// Ignored text should not appear anywhere and should not be used to separate
// words.
static_text_0_0_ignored_.SetName("i");
paragraph_1_ignored_.role = ax::mojom::Role::kParagraph;
paragraph_1_ignored_.AddState(ax::mojom::State::kIgnored);
paragraph_1_ignored_.AddBoolAttribute(
ax::mojom::BoolAttribute::kIsLineBreakingObject, true);
paragraph_1_ignored_.child_ids = {static_text_1_0_.id};
static_text_1_0_.role = ax::mojom::Role::kStaticText;
// An underscore should separate words.
static_text_1_0_.SetName("t_1");
paragraph_2_ignored_.role = ax::mojom::Role::kParagraph;
paragraph_2_ignored_.AddState(ax::mojom::State::kIgnored);
paragraph_2_ignored_.AddBoolAttribute(
ax::mojom::BoolAttribute::kIsLineBreakingObject, true);
paragraph_2_ignored_.child_ids = {link_2_0_ignored_.id};
link_2_0_ignored_.role = ax::mojom::Role::kLink;
link_2_0_ignored_.AddState(ax::mojom::State::kLinked);
link_2_0_ignored_.AddState(ax::mojom::State::kIgnored);
link_2_0_ignored_.child_ids = {static_text_2_0_0_.id, static_text_2_0_1_.id};
static_text_2_0_0_.role = ax::mojom::Role::kStaticText;
// A series of punctuation marks, or a stretch of whitespace should separate
// words.
static_text_2_0_0_.SetName("s+t++2...0. 0");
static_text_2_0_1_.role = ax::mojom::Role::kStaticText;
// Both a carage return as well as a line break should separate lines, but not
// a space character.
static_text_2_0_1_.SetName("s t\n2\r0\r\n1");
AXTreeUpdate initial_state;
initial_state.root_id = root_.id;
initial_state.nodes = {root_,
paragraph_0_,
static_text_0_0_ignored_,
paragraph_1_ignored_,
static_text_1_0_,
paragraph_2_ignored_,
link_2_0_ignored_,
static_text_2_0_0_,
static_text_2_0_1_};
initial_state.has_tree_data = true;
AXTreeData tree_data;
tree_data.tree_id = AXTreeID::CreateNewAXTreeID();
tree_data.title = "Application";
initial_state.tree_data = tree_data;
auto tree = std::make_unique<AXTree>();
ASSERT_TRUE(tree->Unserialize(initial_state)) << tree->error();
root_node_ = tree->root();
ASSERT_EQ(root_.id, root_node_->id());
// `SetTree` is defined in our `TestSingleAXTreeManager` superclass and it
// passes ownership of the created AXTree to the manager.
SetTree(std::move(tree));
}
} // namespace
using ::testing::ElementsAre;
using ::testing::ElementsAreArray;
using ::testing::SizeIs;
using ::testing::StrEq;
TEST_F(AXComputedNodeDataTest, UnignoredValues) {
const AXNode* paragraph_0_node = root_node_->GetChildAtIndex(0);
const AXNode* static_text_0_0_ignored_node =
paragraph_0_node->GetChildAtIndex(0);
const AXNode* paragraph_1_ignored_node = root_node_->GetChildAtIndex(1);
const AXNode* static_text_1_0_node =
paragraph_1_ignored_node->GetChildAtIndex(0);
const AXNode* paragraph_2_ignored_node = root_node_->GetChildAtIndex(2);
const AXNode* link_2_0_ignored_node =
paragraph_2_ignored_node->GetChildAtIndex(0);
const AXNode* static_text_2_0_0_node =
link_2_0_ignored_node->GetChildAtIndex(0);
const AXNode* static_text_2_0_1_node =
link_2_0_ignored_node->GetChildAtIndex(1);
// Perform the checks twice to ensure that caching returns the same values.
for (int i = 0; i < 2; ++i) {
EXPECT_EQ(
0,
root_node_->GetComputedNodeData().GetOrComputeUnignoredIndexInParent());
EXPECT_EQ(0, paragraph_0_node->GetComputedNodeData()
.GetOrComputeUnignoredIndexInParent());
EXPECT_EQ(1, static_text_1_0_node->GetComputedNodeData()
.GetOrComputeUnignoredIndexInParent());
EXPECT_EQ(2, static_text_2_0_0_node->GetComputedNodeData()
.GetOrComputeUnignoredIndexInParent());
EXPECT_EQ(3, static_text_2_0_1_node->GetComputedNodeData()
.GetOrComputeUnignoredIndexInParent());
EXPECT_EQ(
kInvalidAXNodeID,
root_node_->GetComputedNodeData().GetOrComputeUnignoredParentID());
EXPECT_EQ(nullptr,
root_node_->GetComputedNodeData().GetOrComputeUnignoredParent());
EXPECT_FALSE(root_node_->GetComputedNodeData()
.GetOrComputeIsDescendantOfPlatformLeaf());
EXPECT_EQ(root_node_->id(), paragraph_0_node->GetComputedNodeData()
.GetOrComputeUnignoredParentID());
EXPECT_EQ(
root_node_,
paragraph_0_node->GetComputedNodeData().GetOrComputeUnignoredParent());
EXPECT_FALSE(paragraph_0_node->GetComputedNodeData()
.GetOrComputeIsDescendantOfPlatformLeaf());
EXPECT_EQ(paragraph_0_node->id(),
static_text_0_0_ignored_node->GetComputedNodeData()
.GetOrComputeUnignoredParentID());
EXPECT_EQ(paragraph_0_node,
static_text_0_0_ignored_node->GetComputedNodeData()
.GetOrComputeUnignoredParent());
EXPECT_TRUE(static_text_0_0_ignored_node->GetComputedNodeData()
.GetOrComputeIsDescendantOfPlatformLeaf());
EXPECT_EQ(root_node_->id(), paragraph_1_ignored_node->GetComputedNodeData()
.GetOrComputeUnignoredParentID());
EXPECT_EQ(root_node_, paragraph_1_ignored_node->GetComputedNodeData()
.GetOrComputeUnignoredParent());
EXPECT_FALSE(paragraph_1_ignored_node->GetComputedNodeData()
.GetOrComputeIsDescendantOfPlatformLeaf());
EXPECT_EQ(root_node_->id(), static_text_1_0_node->GetComputedNodeData()
.GetOrComputeUnignoredParentID());
EXPECT_EQ(root_node_, static_text_1_0_node->GetComputedNodeData()
.GetOrComputeUnignoredParent());
EXPECT_FALSE(static_text_1_0_node->GetComputedNodeData()
.GetOrComputeIsDescendantOfPlatformLeaf());
EXPECT_EQ(root_node_->id(), paragraph_2_ignored_node->GetComputedNodeData()
.GetOrComputeUnignoredParentID());
EXPECT_EQ(root_node_, paragraph_2_ignored_node->GetComputedNodeData()
.GetOrComputeUnignoredParent());
EXPECT_FALSE(paragraph_2_ignored_node->GetComputedNodeData()
.GetOrComputeIsDescendantOfPlatformLeaf());
EXPECT_EQ(root_node_->id(), link_2_0_ignored_node->GetComputedNodeData()
.GetOrComputeUnignoredParentID());
EXPECT_EQ(root_node_, link_2_0_ignored_node->GetComputedNodeData()
.GetOrComputeUnignoredParent());
EXPECT_FALSE(link_2_0_ignored_node->GetComputedNodeData()
.GetOrComputeIsDescendantOfPlatformLeaf());
EXPECT_EQ(root_node_->id(), static_text_2_0_0_node->GetComputedNodeData()
.GetOrComputeUnignoredParentID());
EXPECT_EQ(root_node_, static_text_2_0_0_node->GetComputedNodeData()
.GetOrComputeUnignoredParent());
EXPECT_FALSE(static_text_2_0_0_node->GetComputedNodeData()
.GetOrComputeIsDescendantOfPlatformLeaf());
EXPECT_EQ(root_node_->id(), static_text_2_0_1_node->GetComputedNodeData()
.GetOrComputeUnignoredParentID());
EXPECT_EQ(root_node_, static_text_2_0_1_node->GetComputedNodeData()
.GetOrComputeUnignoredParent());
EXPECT_FALSE(static_text_2_0_1_node->GetComputedNodeData()
.GetOrComputeIsDescendantOfPlatformLeaf());
EXPECT_EQ(
4, root_node_->GetComputedNodeData().GetOrComputeUnignoredChildCount());
EXPECT_EQ(0, paragraph_0_node->GetComputedNodeData()
.GetOrComputeUnignoredChildCount());
EXPECT_EQ(0, static_text_1_0_node->GetComputedNodeData()
.GetOrComputeUnignoredChildCount());
EXPECT_EQ(0, static_text_2_0_0_node->GetComputedNodeData()
.GetOrComputeUnignoredChildCount());
EXPECT_EQ(0, static_text_2_0_1_node->GetComputedNodeData()
.GetOrComputeUnignoredChildCount());
EXPECT_THAT(
root_node_->GetComputedNodeData().GetOrComputeUnignoredChildIDs(),
ElementsAre(paragraph_0_.id, static_text_1_0_.id, static_text_2_0_0_.id,
static_text_2_0_1_.id));
}
}
TEST_F(AXComputedNodeDataTest, HasOrCanComputeAttribute) {
EXPECT_TRUE(root_node_->GetComputedNodeData().HasOrCanComputeAttribute(
ax::mojom::StringAttribute::kValue));
EXPECT_FALSE(root_node_->GetComputedNodeData().HasOrCanComputeAttribute(
ax::mojom::StringAttribute::kHtmlTag));
EXPECT_TRUE(root_node_->GetComputedNodeData().HasOrCanComputeAttribute(
ax::mojom::IntListAttribute::kWordStarts));
EXPECT_FALSE(root_node_->GetComputedNodeData().HasOrCanComputeAttribute(
ax::mojom::IntListAttribute::kLabelledbyIds));
AXNode* paragraph_0_node = root_node_->GetChildAtIndex(0);
EXPECT_FALSE(paragraph_0_node->GetComputedNodeData().HasOrCanComputeAttribute(
ax::mojom::StringAttribute::kValue));
EXPECT_FALSE(paragraph_0_node->GetComputedNodeData().HasOrCanComputeAttribute(
ax::mojom::StringAttribute::kHtmlTag));
EXPECT_TRUE(paragraph_0_node->GetComputedNodeData().HasOrCanComputeAttribute(
ax::mojom::IntListAttribute::kWordStarts));
EXPECT_FALSE(paragraph_0_node->GetComputedNodeData().HasOrCanComputeAttribute(
ax::mojom::IntListAttribute::kLabelledbyIds));
// By removing the `ax::mojom::BoolAttribute::kNonAtomicTextFieldRoot`
// attribute, the root is no longer a content editable.
root_.RemoveBoolAttribute(ax::mojom::BoolAttribute::kNonAtomicTextFieldRoot);
root_.AddIntListAttribute(ax::mojom::IntListAttribute::kLabelledbyIds,
{static_text_0_0_ignored_.id});
paragraph_0_.AddStringAttribute(ax::mojom::StringAttribute::kValue,
"New: \nvalue.");
paragraph_0_.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag, "p");
paragraph_0_.AddIntListAttribute(ax::mojom::IntListAttribute::kWordStarts,
{0, 4});
AXTreeUpdate tree_update;
tree_update.root_id = root_.id;
tree_update.nodes = {root_, paragraph_0_};
ASSERT_TRUE(GetTree()->Unserialize(tree_update));
root_node_ = GetTree()->root();
ASSERT_EQ(root_.id, root_node_->id());
// Computing the value attribute is only supported on non-atomic text fields.
EXPECT_FALSE(root_node_->GetComputedNodeData().HasOrCanComputeAttribute(
ax::mojom::StringAttribute::kValue));
EXPECT_FALSE(root_node_->GetComputedNodeData().HasOrCanComputeAttribute(
ax::mojom::StringAttribute::kHtmlTag));
EXPECT_TRUE(root_node_->GetComputedNodeData().HasOrCanComputeAttribute(
ax::mojom::IntListAttribute::kWordStarts));
EXPECT_TRUE(root_node_->GetComputedNodeData().HasOrCanComputeAttribute(
ax::mojom::IntListAttribute::kLabelledbyIds));
paragraph_0_node = root_node_->GetChildAtIndex(0);
// However, for maximum flexibility, if the value attribute is already present
// in the node's data we should use it without checking if the role supports
// it.
EXPECT_TRUE(paragraph_0_node->GetComputedNodeData().HasOrCanComputeAttribute(
ax::mojom::StringAttribute::kValue));
EXPECT_TRUE(paragraph_0_node->GetComputedNodeData().HasOrCanComputeAttribute(
ax::mojom::StringAttribute::kHtmlTag));
EXPECT_TRUE(paragraph_0_node->GetComputedNodeData().HasOrCanComputeAttribute(
ax::mojom::IntListAttribute::kWordStarts));
EXPECT_FALSE(paragraph_0_node->GetComputedNodeData().HasOrCanComputeAttribute(
ax::mojom::IntListAttribute::kLabelledbyIds));
}
TEST_F(AXComputedNodeDataTest, GetOrComputeAttribute) {
// Embedded object behavior is dependant on platform. We manually set it to a
// specific value so that test results are consistent across platforms.
ScopedAXEmbeddedObjectBehaviorSetter embedded_object_behaviour(
AXEmbeddedObjectBehavior::kSuppressCharacter);
// Line breaks should be inserted between each paragraph to mirror how HTML's
// "textContent" works.
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttributeUTF8(
ax::mojom::StringAttribute::kValue),
StrEq("\nt_1\ns+t++2...0. 0s t\n2\r0\r\n1"));
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttributeUTF8(
ax::mojom::StringAttribute::kHtmlTag),
StrEq(""));
// Boundaries are delimited by a vertical bar, '|'.
// Words: "|t|_|1s|+|t|++|2|...|0|. |0s| |t|\n|2|\r|0|\r\n|1|".
int32_t word_starts[] = {0, 5, 8, 12, 16, 19, 21, 23, 26};
int32_t word_ends[] = {4, 6, 9, 13, 18, 20, 22, 24, 27};
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kWordStarts),
ElementsAreArray(word_starts));
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kWordEnds),
ElementsAreArray(word_ends));
// Lines: "|t_1s+t++2...0. 0s t|\n|2|\r|0|\r\n|1|".
int32_t line_starts[] = {0, 21, 23, 26};
int32_t line_ends[] = {21, 23, 26, 27};
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kLineStarts),
ElementsAreArray(line_starts));
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kLineEnds),
ElementsAreArray(line_ends));
// Sentences: "|t_1s+t++2...0.| |0s t|\n|2|\r|0|\r\n|1|".
int32_t sentence_starts[] = {0, 21, 23, 26};
int32_t sentence_ends[] = {21, 23, 26, 27};
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kSentenceStarts),
ElementsAreArray(sentence_starts));
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kSentenceEnds),
ElementsAreArray(sentence_ends));
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kLabelledbyIds),
SizeIs(0));
AXNode* paragraph_0_node = root_node_->GetChildAtIndex(0);
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttributeUTF8(
ax::mojom::StringAttribute::kValue),
StrEq(""))
<< "The static text child should be ignored.";
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttributeUTF8(
ax::mojom::StringAttribute::kHtmlTag),
StrEq(""));
// Ignored text produces no boundaries.
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kWordStarts),
SizeIs(0));
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kWordEnds),
SizeIs(0));
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kLineStarts),
SizeIs(0));
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kLineEnds),
SizeIs(0));
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kSentenceStarts),
SizeIs(0));
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kSentenceEnds),
SizeIs(0));
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kLabelledbyIds),
SizeIs(0));
// By removing the `ax::mojom::BoolAttribute::kNonAtomicTextFieldRoot`
// attribute, the root is no longer a content editable.
root_.RemoveBoolAttribute(ax::mojom::BoolAttribute::kNonAtomicTextFieldRoot);
root_.AddIntListAttribute(ax::mojom::IntListAttribute::kLabelledbyIds,
{static_text_0_0_ignored_.id});
paragraph_0_.AddStringAttribute(ax::mojom::StringAttribute::kValue,
"New: \nvalue.");
paragraph_0_.AddStringAttribute(ax::mojom::StringAttribute::kHtmlTag, "p");
// Word starts/ends are intentionally set to the wrong values to ensure that
// `AXNodeData` takes priority over `AXComputedNodeData` if present.
std::vector<int32_t> wrong_word_starts = {1, 5};
std::vector<int32_t> wrong_word_ends = {6, 8};
paragraph_0_.AddIntListAttribute(ax::mojom::IntListAttribute::kWordStarts,
wrong_word_starts);
paragraph_0_.AddIntListAttribute(ax::mojom::IntListAttribute::kWordEnds,
wrong_word_ends);
AXTreeUpdate tree_update;
tree_update.root_id = root_.id;
tree_update.nodes = {root_, paragraph_0_};
ASSERT_TRUE(GetTree()->Unserialize(tree_update));
root_node_ = GetTree()->root();
ASSERT_EQ(root_.id, root_node_->id());
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttributeUTF8(
ax::mojom::StringAttribute::kValue),
SizeIs(0))
<< "Computing the value attribute is only supported on non-atomic text "
"fields.";
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttributeUTF8(
ax::mojom::StringAttribute::kHtmlTag),
SizeIs(0));
// No change to the various boundaries should have been observed since the
// root's text content hasn't changed.
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kWordStarts),
ElementsAreArray(word_starts));
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kWordEnds),
ElementsAreArray(word_ends));
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kLineStarts),
ElementsAreArray(line_starts));
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kLineEnds),
ElementsAreArray(line_ends));
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kSentenceStarts),
ElementsAreArray(sentence_starts));
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kSentenceEnds),
ElementsAreArray(sentence_ends));
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kLabelledbyIds),
ElementsAre(static_text_0_0_ignored_.id));
paragraph_0_node = root_node_->GetChildAtIndex(0);
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttributeUTF8(
ax::mojom::StringAttribute::kValue),
StrEq("New: \nvalue."))
<< "For maximum flexibility, if the value attribute is already present "
"in the node's data we should use it without checking if the role "
"supports it.";
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttributeUTF8(
ax::mojom::StringAttribute::kHtmlTag),
StrEq("p"));
// Word starts/ends are intentionally set to the wrong values in `AXNodeData`.
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kWordStarts),
ElementsAreArray(wrong_word_starts))
<< "`AXNodeData` should take priority over `AXComputedNodeData`, if "
"present.";
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kWordEnds),
ElementsAreArray(wrong_word_ends))
<< "`AXNodeData` should take priority over `AXComputedNodeData`, if "
"present.";
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kLineStarts),
ElementsAre());
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kLineEnds),
ElementsAre());
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kSentenceStarts),
ElementsAre());
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kSentenceEnds),
ElementsAre());
EXPECT_THAT(paragraph_0_node->GetComputedNodeData().GetOrComputeAttribute(
ax::mojom::IntListAttribute::kLabelledbyIds),
SizeIs(0));
}
TEST_F(AXComputedNodeDataTest, GetOrComputeTextContent) {
// Embedded object behavior is dependant on platform. We manually set it to a
// specific value so that test results are consistent across platforms.
ScopedAXEmbeddedObjectBehaviorSetter embedded_object_behaviour(
AXEmbeddedObjectBehavior::kSuppressCharacter);
EXPECT_THAT(root_node_->GetComputedNodeData()
.GetOrComputeTextContentWithParagraphBreaksUTF8(),
StrEq("\nt_1\ns+t++2...0. 0s t\n2\r0\r\n1"));
EXPECT_THAT(root_node_->GetComputedNodeData().GetOrComputeTextContentUTF8(),
StrEq("t_1s+t++2...0. 0s t\n2\r0\r\n1"));
EXPECT_EQ(
root_node_->GetComputedNodeData().GetOrComputeTextContentLengthUTF8(),
27);
// Paragraph_0's text is ignored. Ignored text should not be visible.
const AXNode* paragraph_0_node = root_node_->GetChildAtIndex(0);
EXPECT_THAT(paragraph_0_node->GetComputedNodeData()
.GetOrComputeTextContentWithParagraphBreaksUTF8(),
StrEq(""));
EXPECT_THAT(
paragraph_0_node->GetComputedNodeData().GetOrComputeTextContentUTF8(),
StrEq(""));
EXPECT_EQ(paragraph_0_node->GetComputedNodeData()
.GetOrComputeTextContentLengthUTF8(),
0);
// The two incarnations of the "TextContent" methods should behave identically
// when line breaks are manually inserted via e.g. a <br> element in HTML, as
// this case demonstrates.
const AXNode* paragraph_2_ignored_node = root_node_->GetChildAtIndex(2);
EXPECT_THAT(paragraph_2_ignored_node->GetComputedNodeData()
.GetOrComputeTextContentWithParagraphBreaksUTF8(),
StrEq("s+t++2...0. 0s t\n2\r0\r\n1"));
EXPECT_THAT(paragraph_2_ignored_node->GetComputedNodeData()
.GetOrComputeTextContentUTF8(),
StrEq("s+t++2...0. 0s t\n2\r0\r\n1"));
EXPECT_EQ(paragraph_2_ignored_node->GetComputedNodeData()
.GetOrComputeTextContentLengthUTF8(),
24);
}
} // namespace ui
|
