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
|
<!DOCTYPE html>
<html>
<head>
<title>Test accessible delayed removal</title>
<link rel="stylesheet" type="text/css"
href="chrome://mochikit/content/tests/SimpleTest/test.css" />
<style>
.gentext:before {
content: "START"
}
.gentext:after {
content: "END"
}
</style>
<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript"
src="../common.js"></script>
<script type="application/javascript"
src="../role.js"></script>
<script type="application/javascript"
src="../promisified-events.js"></script>
<script type="application/javascript">
async function hideDivFromInsideSpan() {
let msg = "hideDivFromInsideSpan";
info(msg);
let events = waitForOrderedEvents(
[[EVENT_HIDE, "div1"], [EVENT_REORDER, "span1"]], msg);
document.body.offsetTop; // Flush layout.
getNode("div1").style.display = "none";
await events;
testAccessibleTree("c1", { SECTION: [ { REGION: [] }, ] });
}
async function showDivFromInsideSpan() {
let msg = "showDivFromInsideSpan";
info(msg);
let events = waitForOrderedEvents(
[[EVENT_SHOW, "div2"], [EVENT_REORDER, "span2"]], msg);
document.body.offsetTop; // Flush layout.
getNode("div2").style.display = "block";
await events;
testAccessibleTree("c2",
{ SECTION: [ { REGION: [{ SECTION: [ { TEXT_LEAF: [] } ] }] }, ] });
}
async function removeDivFromInsideSpan() {
let msg = "removeDivFromInsideSpan";
info(msg);
let events = waitForOrderedEvents(
[[EVENT_HIDE, getNode("div3")], [EVENT_REORDER, "span3"]], msg);
document.body.offsetTop; // Flush layout.
getNode("div3").remove();
await events;
testAccessibleTree("c3", { SECTION: [ { REGION: [] }, ] });
}
// Test to see that generated content is inserted
async function addCSSGeneratedContent() {
let msg = "addCSSGeneratedContent";
let c4_child = getAccessible("c4_child");
info(msg);
let events = waitForOrderedEvents([
[EVENT_SHOW, evt => evt.accessible == c4_child.firstChild],
[EVENT_SHOW, evt => evt.accessible == c4_child.lastChild],
[EVENT_REORDER, c4_child]], msg);
document.body.offsetTop; // Flush layout.
getNode("c4_child").classList.add('gentext');
await events;
testAccessibleTree("c4", { SECTION: [ // container
{ SECTION: [ // inserted node
{ STATICTEXT: [] }, // :before
{ TEXT_LEAF: [] }, // primary text
{ STATICTEXT: [] }, // :after
] },
] });
}
// Test to see that generated content gets removed
async function removeCSSGeneratedContent() {
let msg = "removeCSSGeneratedContent";
let c5_child = getAccessible("c5_child");
info(msg);
let events = waitForEvents([
[EVENT_HIDE, c5_child.firstChild],
[EVENT_HIDE, c5_child.lastChild],
[EVENT_REORDER, c5_child]], msg);
document.body.offsetTop; // Flush layout.
getNode("c5_child").classList.remove('gentext');
await events;
testAccessibleTree("c5",{ SECTION: [ // container
{ SECTION: [ // inserted node
{ TEXT_LEAF: [] }, // primary text
] },
] });
}
// Test to see that a non-accessible intermediate container gets its accessible
// descendants removed and inserted correctly.
async function intermediateNonAccessibleContainers() {
let msg = "intermediateNonAccessibleContainers";
info(msg);
testAccessibleTree("c6",{ SECTION: [
{ SECTION: [
{ role: ROLE_PUSHBUTTON, name: "Hello" },
] },
] });
let events = waitForOrderedEvents(
[[EVENT_HIDE, "b1"], [EVENT_SHOW, "b2"], [EVENT_REORDER, "scrollarea"]], msg);
document.body.offsetTop; // Flush layout.
getNode("scrollarea").style.overflow = "auto";
document.querySelector("#scrollarea > div > div:first-child").style.display = "none";
document.querySelector("#scrollarea > div > div:last-child").style.display = "block";
await events;
testAccessibleTree("c6",{ SECTION: [
{ SECTION: [
{ role: ROLE_PUSHBUTTON, name: "Goodbye" },
] },
] });
}
// Test to see that the button gets reparented into the new accessible container.
async function intermediateNonAccessibleContainerBecomesAccessible() {
let msg = "intermediateNonAccessibleContainerBecomesAccessible";
info(msg);
testAccessibleTree("c7",{ SECTION: [
{ role: ROLE_PUSHBUTTON, name: "Hello" },
{ TEXT_LEAF: [] }
] });
let events = waitForOrderedEvents(
[[EVENT_HIDE, "b3"],
// b3 show event coalesced into its new container
[EVENT_SHOW, evt => evt.DOMNode.classList.contains('intermediate')],
[EVENT_REORDER, "c7"]], msg);
document.body.offsetTop; // Flush layout.
document.querySelector("#c7 > div").style.display = "block";
await events;
testAccessibleTree("c7",{ SECTION: [
{ SECTION: [ { role: ROLE_PUSHBUTTON, name: "Hello" } ] }
] });
}
// Test to ensure that relocated accessibles are removed when a DOM
// ancestor is hidden.
async function removeRelocatedWhenDomAncestorHidden() {
info("removeRelocatedWhenDomAncestorHidden");
testAccessibleTree("c8",{ SECTION: [
{ EDITCOMBOBOX: [ // c8_owner
{ COMBOBOX_LIST: [] }, // c8_owned
]},
{ SECTION: [] }, // c8_owned_container
] });
let events = waitForOrderedEvents([
[EVENT_HIDE, "c8_owned_container"],
[EVENT_HIDE, "c8_owned"],
[EVENT_REORDER, "c8"],
], "removeRelocatedWhenDomAncestorHidden");
document.body.offsetTop; // Flush layout.
getNode("c8_owned_container").hidden = true;
await events;
testAccessibleTree("c8",{ SECTION: [
{ EDITCOMBOBOX: [] }, // c8_owner
] });
}
// Bug 1572829
async function removeShadowRootHost() {
info("removeShadowRootHost");
document.body.offsetTop; // Flush layout.
let event = waitForEvent(EVENT_REORDER, "c9", "removeShadowRootHost");
getNode("c9").firstElementChild.attachShadow({mode: "open"});
getNode("c9").firstElementChild.replaceWith("");
await event;
}
function listItemReframe() {
testAccessibleTree("li",{ LISTITEM: [
{ LISTITEM_MARKER: [] },
{ TEXT_LEAF: [] },
] });
getNode("li").style.listStylePosition = "inside";
document.body.offsetTop; // Flush layout.
window.windowUtils.advanceTimeAndRefresh(100);
testAccessibleTree("li",{ LISTITEM: [
{ LISTITEM_MARKER: [] },
{ TEXT_LEAF: [] },
] });
window.windowUtils.restoreNormalRefresh();
}
// Check to see that a reframed body gets its children pruned correctly.
async function bodyReframe(argument) {
// Load sub-document in iframe.
let event = waitForEvent(EVENT_REORDER, "iframe", "bodyReframe");
getNode("iframe").src =
`data:text/html,<div>Hello</div><div style="display: none">World</div>`;
await event;
// Initial tree should have one section leaf.
testAccessibleTree("c10",{ SECTION: [
{ INTERNAL_FRAME: [
{ DOCUMENT: [
{ SECTION: [
{ role: ROLE_TEXT_LEAF, name: "Hello" }
] }
]}
] }
] });
let iframeDoc = getNode("iframe").contentWindow.document;
// Trigger coalesced reframing. Both the body node and its children
// will need reframing.
event = waitForEvent(EVENT_REORDER, iframeDoc, "bodyReframe");
iframeDoc.body.style.display = "inline-block";
iframeDoc.querySelector("div:first-child").style.display = "none";
iframeDoc.querySelector("div:last-child").style.display = "block";
await event;
// Only the second section should be showing
testAccessibleTree("c10",{ SECTION: [
{ INTERNAL_FRAME: [
{ DOCUMENT: [
{ SECTION: [
{ role: ROLE_TEXT_LEAF, name: "World" }
] }
]}
] }
] });
}
// Ensure that embed elements recreate their Accessible if they started
// without an src and then an src is set later.
async function embedBecomesOuterDoc() {
let msg = "embedBecomesOuterDoc";
info(msg);
testAccessibleTree("c12", { SECTION: [
{ TEXT: [] }
] });
let events = waitForOrderedEvents([
[EVENT_HIDE, "embed"],
[EVENT_SHOW, "embed"],
[EVENT_REORDER, "c12"],
], msg);
getNode("embed").src = "data:text/html,";
await events;
testAccessibleTree("c12", { SECTION: [
{ INTERNAL_FRAME: [
{ DOCUMENT: [] }
] }
] });
}
// Test that we get a text removed event when removing generated content from a button
async function testCSSGeneratedContentRemovedFromButton() {
let msg = "testCSSGeneratedContentRemovedFromButton";
info(msg);
testAccessibleTree("c13", { SECTION: [
{ role: ROLE_PUSHBUTTON, name: "beforego",
children: [{ STATICTEXT: [] }, { TEXT_LEAF: [] }] }
] });
let events = waitForOrderedEvents([
[EVENT_HIDE, evt => evt.accessible.name == "before"],
[EVENT_TEXT_REMOVED, evt => evt.accessible.role == ROLE_PUSHBUTTON],
[EVENT_SHOW, evt => evt.DOMNode.tagName == "HR"],
[EVENT_REORDER, "c13"],
], msg);
getNode("b13").click();
await events;
testAccessibleTree("c13", { SECTION: [
{ role: ROLE_PUSHBUTTON, name: "go",
children: [{ TEXT_LEAF: [] }] },
{ SEPARATOR: [] }
] });
}
// Slack seems to often restyle containers and change children
// simultaneously, this results in an insertion queue filled with
// redundant insertions and unparented nodes.
// This test duplicates some of this.
async function testSlack() {
let msg = "testSlack";
info(msg);
window.windowUtils.advanceTimeAndRefresh(100);
let event = waitForEvent(EVENT_REORDER, "c14", "testSlack");
let keyContainer = document.querySelector("#c14 .intermediate");
keyContainer.style.display = "inline-block";
document.body.offsetTop; // Flush layout.
let one = document.querySelector("#c14 [aria-label='one']");
let three = document.querySelector("#c14 [aria-label='three']");
one.remove();
three.remove();
// insert one first
keyContainer.firstChild.before(one.cloneNode());
// insert three last
keyContainer.lastChild.after(three.cloneNode());
keyContainer.style.display = "flex";
document.body.offsetTop; // Flush layout.
window.windowUtils.restoreNormalRefresh();
await event;
is(getAccessible("c14").name, "one two three", "subtree has correct order");
}
async function doTest() {
await hideDivFromInsideSpan();
await showDivFromInsideSpan();
await removeDivFromInsideSpan();
await addCSSGeneratedContent();
await removeCSSGeneratedContent();
await intermediateNonAccessibleContainers();
await intermediateNonAccessibleContainerBecomesAccessible();
await removeRelocatedWhenDomAncestorHidden();
await removeShadowRootHost();
listItemReframe();
await bodyReframe();
await embedBecomesOuterDoc();
await testCSSGeneratedContentRemovedFromButton();
await testSlack();
SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
addA11yLoadEvent(doTest);
</script>
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test">
</pre>
<div id="c1">
<span role="region" id="span1" aria-label="region"><div id="div1">hello</div></span>
</div>
<div id="c2">
<span role="region" id="span2" aria-label="region"><div id="div2" style="display: none">hello</div></span>
</div>
<div id="c3">
<span role="region" id="span3" aria-label="region"><div id="div3">hello</div></span>
</div>
<div id="c4"><div id="c4_child">text</div></div>
<div id="c5"><div id="c5_child" class="gentext">text</div></div>
<div id="c6">
<div id="scrollarea" style="overflow:hidden;">
<div><div role="none"><button id="b1">Hello</button></div><div role="none" style="display: none"><button id="b2">Goodbye</button></div></div>
</div>
</div>
<div id="c7">
<div style="display: inline;" class="intermediate">
<button id="b3">Hello</button>
</div>
</div>
<div id="c8">
<div id="c8_owner" role="combobox" aria-owns="c8_owned"></div>
<div id="c8_owned_container">
<div id="c8_owned" role="listbox"></div>
</div>
</div>
<div id="c9">
<div><dir>a</dir></div>
</div>
<div id="c11">
<ul>
<li id="li">Test</li>
</ul>
</div>
<div id="c12"><embed id="embed"></embed></div>
<div id="c10">
<iframe id="iframe"></iframe>
</div>
<div id="c13">
<style>
.before::before { content: 'before' }
</style>
<button id="b13" class="before" onclick="this.className = ''; this.insertAdjacentElement('afterend', document.createElement('hr'))">go</button>
</div>
<div role="heading" id="c14" data-qa="virtual-list-item">
<div class="intermediate">
<div role="img" aria-label="one"></div> two <div role="img"
aria-label="three"></div>
</div>
</div>
<div id="eventdump"></div>
</body>
</html>
|
