File: promise-job-detached-iframe.html

package info (click to toggle)
thunderbird 1%3A144.0.1-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 4,725,312 kB
  • sloc: cpp: 7,869,225; javascript: 5,974,276; ansic: 3,946,747; python: 1,421,062; xml: 654,642; asm: 474,045; java: 183,117; sh: 110,973; makefile: 20,398; perl: 14,362; objc: 13,086; yacc: 4,583; pascal: 3,448; lex: 1,720; ruby: 999; exp: 762; sql: 731; awk: 580; php: 436; lisp: 430; sed: 69; csh: 10
file content (310 lines) | stat: -rw-r--r-- 8,311 bytes parent folder | download | duplicates (5)
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
<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>

<script>
function async_iframe_test(f, name) {
  async_test(t => {
    const iframe = document.createElement("iframe");
    iframe.src = "resources/empty.html";
    document.body.append(iframe);

    iframe.onload = () => {
      f(t, iframe);
    };
  }, name);
}

async_iframe_test((t, iframe) => {
  // A promise reaction job is created with the iframe's realm, retrieved
  // from the onFulfilled callback function.
  const { p, result } = iframe.contentWindow.eval(`
const result = { called: false };
const p = Promise.resolve(1).then(function onFulfilled() {
result.called = true;
});
({ p, result });
`);

  // The global becomes not-fully-active before the next microtask checkpoint.
  iframe.remove();

  // Verify the result after the next microtask checkpoint.
  t.step_timeout(() => {
    assert_equals(result.called, false);
    t.done();
  }, 0);
}, "Reaction job should be skipped if onFulfilled handler belongs to detached iframe");

async_iframe_test((t, iframe) => {
  // A promise reaction job is created with the iframe's realm, retrieved
  // from the onRejected callback function.
  const { p, result } = iframe.contentWindow.eval(`
const result = { called: false };
const p = Promise.reject(1).then(() => {}, function onRejected() {
result.called = true;
});
({ p, result });
`);

  // The global becomes not-fully-active before the next microtask checkpoint.
  iframe.remove();

  t.step_timeout(() => {
    assert_equals(result.called, false);
    t.done();
  }, 0);
}, "Reaction job should be skipped if onRejected handler belongs to detached iframe");

async_iframe_test((t, iframe) => {
  const p = iframe.contentWindow.eval(`Promise.resolve(1);`);

  iframe.remove();

  let called = false;

  // A promise reaction job is created with the current realm, retrieved
  // from the onFulfilled callback function.
  p.then(function onFulfilled() {
    called = true;
  });

  t.step_timeout(() => {
    assert_equals(called, true);
    t.done();
  }, 0);
}, "Reaction job should not be skipped if onFulfilled handler belongs to fully active global");

async_iframe_test((t, iframe) => {
  const p = iframe.contentWindow.eval(`Promise.reject(1);`);

  iframe.remove();

  let called = false;

  // A promise reaction job is created with the current realm, retrieved
  // from the onRejected callback function.
  p.then(() => {}, function onRejected() {
    called = true;
  });

  t.step_timeout(() => {
    assert_equals(called, true);
    t.done();
  }, 0);
}, "Reaction job should not be skipped if onRejected handler belongs to fully active global");

async_iframe_test((t, iframe) => {
  const p = iframe.contentWindow.eval(`Promise.resolve(1);`);

  iframe.remove();

  let called = false;

  // A thenable job is created with the iframe's realm, retrieved from p.then
  // function.
  const p2 = Promise.resolve(p);

  p2.then(function onFulfilled() {
    called = true;
  });

  t.step_timeout(() => {
    assert_equals(called, false);
    t.done();
  }, 0);
}, "Thenable job for fulfilled promise should be skipped if it belongs to detached iframe");

async_iframe_test((t, iframe) => {
  const p = iframe.contentWindow.eval(`Promise.reject(1);`);

  iframe.remove();

  let called = false;

  // A thenable job is created with the iframe's realm, retrieved from p.then
  // function.
  const p2 = Promise.resolve(p);

  p2.then(() => {}, function onRejected() {
    called = true;
  });

  t.step_timeout(() => {
    assert_equals(called, false);
    t.done();
  }, 0);
}, "Thenable job for rejected promise should be skipped if it belongs to detached iframe");

async_iframe_test((t, iframe) => {
  const p = iframe.contentWindow.eval(`Promise.resolve(1);`);

  iframe.remove();

  let called = false;

  // In contrast to Promise.resolve, Promise.reject doesn't create a thenable
  // job.
  const p2 = Promise.reject(p);

  p2.then(() => {}, function onRejected() {
    called = true;
  });

  t.step_timeout(() => {
    assert_equals(called, true);
    t.done();
  }, 0);
}, "No job with detached iframe's realm should be used for Promise.reject on fulfilled promise");

async_iframe_test((t, iframe) => {
  const p = iframe.contentWindow.eval(`Promise.reject(1);`);

  iframe.remove();

  let called = false;

  // In contrast to Promise.resolve, Promise.reject doesn't create a thenable
  // job.
  const p2 = Promise.reject(p);

  p2.then(() => {}, function onRejected() {
    called = true;
  });

  t.step_timeout(() => {
    assert_equals(called, true);
    t.done();
  }, 0);
}, "No job with detached iframe's realm should be used for Promise.reject on rejected promise");

async_iframe_test((t, iframe) => {
  const p = iframe.contentWindow.eval(`Promise.resolve(1);`);

  iframe.remove();

  let called = false;

  // Promise.prototype.then resolves the result capability's promise with the
  // handler's return value, and a thenable job is created with the iframe's
  // realm, retrieved from p.then function.
  const p2 = Promise.resolve(1).then(() => p);

  p2.then(function onFulfilled() {
    called = true;
  });

  t.step_timeout(() => {
    assert_equals(called, false);
    t.done();
  }, 0);
}, "Thenable job created by reaction job for fulfillment should be skipped if it belongs to detached iframe");

async_iframe_test((t, iframe) => {
  const p = iframe.contentWindow.eval(`Promise.resolve(1);`);

  iframe.remove();

  let called = false;

  // Promise.prototype.then resolves the result capability's promise with the
  // handler's return value, and a thenable job is created with the iframe's
  // realm, retrieved from p.then function.
  const p2 = Promise.reject(1).then(() => {}, () => p);

  p2.then(function onFulfilled() {
    called = true;
  });

  t.step_timeout(() => {
    assert_equals(called, false);
    t.done();
  }, 0);
}, "Thenable job created by reaction job for rejection should be skipped if it belongs to detached iframe");

async_iframe_test((t, iframe) => {
  const p = iframe.contentWindow.eval(`Promise.resolve(1);`);

  iframe.remove();

  let called = false;

  // Promise.all internally performs Promise.resolve, and a thenable job
  // is created with the iframe's realm, retrieved from p.then function.
  const p2 = Promise.all([p]);

  p2.then(function onFulfilled() {
    called = true;
  });

  t.step_timeout(() => {
    assert_equals(called, false);
    t.done();
  }, 0);
}, "Thenable job created by Promise.all should be skipped if it belongs to detached iframe");

async_iframe_test((t, iframe) => {
  const p = iframe.contentWindow.eval(`Promise.resolve(1);`);

  iframe.remove();

  let called = false;

  // Promise.allSettled internally performs Promise.resolve, and a thenable job
  // is created with the iframe's realm, retrieved from p.then function.
  const p2 = Promise.allSettled([p]);

  p2.then(function onFulfilled() {
    called = true;
  });

  t.step_timeout(() => {
    assert_equals(called, false);
    t.done();
  }, 0);
}, "Thenable job created by Promise.allSettled should be skipped if it belongs to detached iframe");

async_iframe_test((t, iframe) => {
  const p = iframe.contentWindow.eval(`Promise.resolve(1);`);

  iframe.remove();

  let called = false;

  // Promise.any internally performs Promise.resolve, and a thenable job
  // is created with the iframe's realm, retrieved from p.then function.
  const p2 = Promise.any([p]);

  p2.then(function onFulfilled() {
    called = true;
  });

  t.step_timeout(() => {
    assert_equals(called, false);
    t.done();
  }, 0);
}, "Thenable job created by Promise.any should be skipped if it belongs to detached iframe");

async_iframe_test((t, iframe) => {
  const p = iframe.contentWindow.eval(`Promise.resolve(1);`);

  iframe.remove();

  let called = false;

  // Promise.race internally performs Promise.resolve, and a thenable job
  // is created with the iframe's realm, retrieved from p.then function.
  const p2 = Promise.race([p]);

  p2.then(function onFulfilled() {
    called = true;
  });

  t.step_timeout(() => {
    assert_equals(called, false);
    t.done();
  }, 0);
}, "Thenable job created by Promise.race should be skipped if it belongs to detached iframe");
</script>
</body>