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Side by Side Diff: LayoutTests/fast/js/Promise-init.html

Issue 17505004: Introduce Promises. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Created 7 years, 6 months ago
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1 <!DOCTYPE html>
2 <html>
3 <head>
4 <script src="resources/js-test-pre.js"></script>
5 </head>
6 <body>
7 <div id="description"></div>
8 <div id="console"></div>
9 <script>
10 if (window.testRunner)
11 testRunner.dumpAsText();
12
13 description('Test Promise.');
14
15 var thisInInit;
16 var resolver;
17 var promise = new Promise(function(r) {
18 thisInInit = this;
19 resolver = r;
20 });
21
22 shouldBeTrue('promise instanceof Promise');
23 shouldBe('promise.constructor', 'Promise');
24 shouldBe('thisInInit', 'promise');
25 shouldBeTrue('resolver instanceof PromiseResolver');
26 shouldBe('resolver.constructor', 'PromiseResolver');
27
28 try {
29 new Promise();
30 debug('FAIL A TypeError should be thrown for "new Promise()"');
31 } catch (e) {
32 window.errorNoInitArgument = e;
33 shouldBeTrue('errorNoInitArgument instanceof TypeError');
34 }
35
36 try {
37 new Promise(function() {}, function() {});
38 debug('FAIL A TypeError should be thrown for "new Promise(function() {}, funct ion() {})"');
39 } catch (e) {
40 window.errorTwoInitArguments = e;
41 shouldBeTrue('errorTwoInitArguments instanceof TypeError');
42 }
43
44 try {
45 new Promise(37);
46 debug('FAIL A TypeError should be thrown for "new Promise(37)');
47 } catch (e) {
48 window.errorNumberInitArgument = e;
49 shouldBeTrue('errorNumberInitArgument instanceof TypeError');
50 }
51
52 try {
53 new Promise(function() {
54 throw Error('foo');
55 });
56 // We can't test if the promise is rejected now.
57 debug('PASS If an error is thrown from init callback, Promise should return an rejected promise');
58 } catch (e) {
59 debug('FAIL If an error is thrown from init callback, Promise should return an rejected promise');
60 }
61
62 </script>
63 <script src="resources/js-test-post.js"></script>
64 </body>
65 </html>
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