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Issue 1140723003: Implement suspend() and resume() for OfflineAudioContext (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Revering oilpan-compatible changes + HashMap Created 5 years, 5 months ago
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1 <!doctype html> 1 <!doctype html>
2 <html> 2 <html>
3 <head> 3 <head>
4 <title>Test AudioContext.suspend() and AudioContext.resume()</title> 4 <title>Test AudioContext.suspend() and AudioContext.resume()</title>
5 <script src="../resources/js-test.js"></script> 5 <script src="../resources/js-test.js"></script>
6 <script src="resources/compatibility.js"></script> 6 <script src="resources/compatibility.js"></script>
7 <script src="resources/audio-testing.js"></script> 7 <script src="resources/audio-testing.js"></script>
8 </head> 8 </head>
9 9
10 <body> 10 <body>
11 <script> 11 <script>
12 description("Test suspend/resume for an (offline) AudioContext"); 12 description("Test suspend/resume for an AudioContext");
13 window.jsTestIsAsync = true; 13 window.jsTestIsAsync = true;
14 14
15 var offlineContext; 15 var context = new AudioContext();
16 var osc;
17 var p1;
18 var p2;
19 var p3;
20
21 var sampleRate = 44100;
22 var durationInSeconds = 1;
23 16
24 var audit = Audit.createTaskRunner(); 17 var audit = Audit.createTaskRunner();
25 18
26 // Convenience function that returns a function that calls the |passFailFunc | 19 // Task: check the method interface.
27 // with the given |message|. The |passFailFunc| should be either |testPasse d| 20 audit.defineTask('interface', function (done) {
28 // or |testFailed|. 21 Should('typeof context.suspend()', typeof context.suspend).beEqualTo('func tion');
29 function handlePromise(passFailFunc, message) { 22 Should('typeof context.resume()', typeof context.resume).beEqualTo('functi on');
30 return function () { 23 done();
31 passFailFunc(message);
32 };
33 }
34
35 // Task: test suspend().
36 audit.defineTask('test-suspend', function (done) {
37
38 // Test suspend/resume. Ideally this test is best with a online
39 // AudioContext, but content shell doesn't really have a working online
40 // AudioContext. Hence, use an OfflineAudioContext. Not all possible
41 // scenarios can be easily checked with an offline context instead of an
42 // online context.
43
44 // Create an audio context with an oscillator.
45 shouldNotThrow("offlineContext = new OfflineAudioContext(1, durationInSeco nds * sampleRate, sampleRate)");
46 osc = offlineContext.createOscillator();
47 osc.connect(offlineContext.destination);
48
49 // Verify the state.
50 shouldBeEqualToString("offlineContext.state", "suspended");
51
52 // Multiple calls to suspend() should not be a problem. But we can't test
53 // that on an offline context. Thus, check that suspend() on an
54 // OfflineAudioContext rejects the promise.
55 shouldNotThrow("p1 = offlineContext.suspend()");
56 shouldBeType("p1", "Promise");
57 p1.then(
58 handlePromise(testFailed, "offlineContext.suspend() should have been rej ected for an offline context"),
59 function (e) {
60 if (e.name === "InvalidAccessError") {
61 testPassed(
62 "offlineContext.suspend() was correctly rejected: " + e);
63 } else {
64 testFailed(
65 "offlineContext.suspend() was correctly rejected but expected Inva lidAccessError, not: " + e);
66 }
67 }
68 ).then(done);
69 }); 24 });
70 25
26 // Task: check the promise resolution.
27 audit.defineTask('promise-resolution', function (done) {
28 Should('context.suspend()', context.suspend()).beResolved().then(done);
71 29
72 // Task: test resume(). 30 // Resuming the context cannot be tested with the trybot or the Content
73 audit.defineTask('test-resume', function (done) { 31 // Shell because it requires the physical audio device to run.
74
75 // Multiple calls to resume should not be a problem. But we can't test
76 // that on an offline context. Thus, check that resume() on an
77 // OfflineAudioContext rejects the promise.
78 shouldNotThrow("p2 = offlineContext.resume()");
79 shouldBeType("p2", "Promise");
80
81 // Resume doesn't actually resume an offline context
82 shouldBeEqualToString("offlineContext.state", "suspended");
83 p2.then(
84 handlePromise(testFailed, "offlineContext.resume() should have been reje cted for an offline context"),
85 function (e) {
86 if (e.name === "InvalidAccessError") {
87 testPassed(
88 "offlineContext.resume() was correctly rejected: " + e);
89 } else {
90 testFailed(
91 "offlineContext.resume() was correctly rejected but expected Inval idAccessError, not: " + e);
92 }
93 }
94 ).then(done);
95 }); 32 });
96 33
97 // Task: test the state after context closed. 34 // Task: test corner cases.
98 audit.defineTask('test-after-close', function (done) { 35 audit.defineTask('corner-cases', function (done) {
99 36
100 // Render the offline context. 37 Should('Calling multiple context.suspend()', function() {
101 osc.start(); 38 context.suspend();
39 context.suspend();
40 }).notThrow();
102 41
103 // Test suspend/resume in tested promise pattern. We don't care about the 42 context.close().then(function () {
104 // actual result of the offline rendering. 43 Should('Calling context.suspend() after close()', context.suspend())
105 shouldNotThrow("p3 = offlineContext.startRendering()"); 44 .beRejected();
106 p3.then(function () {
107 shouldBeEqualToString("offlineContext.state", "closed");
108 45
109 // suspend() should be rejected on a closed context. 46 Should('Calling context.resume() after close()', context.resume())
110 offlineContext.suspend().then( 47 .beRejected().then(done);
111 handlePromise(testFailed, "offlineContext.suspend() on a closed contex t not rejected"), 48 });
112 function (e) {
113 if (e.name === "InvalidAccessError") {
114 testPassed("offlineContext.suspend() on a closed context rejected: " + e);
115 } else {
116 testFailed("offlineContext.suspend() on a closed context rejected but expected InvalidAccessError, not: " + e);
117 }
118 }
119 ).then(function () {
120 // resume() should be rejected on closed context.
121 offlineContext.resume().then(
122 handlePromise(testFailed, "offlineContext.resume() on a closed conte xt not rejected"),
123 function (e) {
124 if (e.name === "InvalidAccessError") {
125 testPassed("offlineContext.resume() on a closed context rejected : " + e);
126 } else {
127 testFailed("offlineContext.resume() on a closed context rejected but expected InvalidAccessError, not: " + e);
128 }
129 }
130 ).then(done);
131 });
132 49
133 });
134 }); 50 });
135 51
136 audit.defineTask('finish-test', function (done) { 52 audit.defineTask('finish-test', function (done) {
137 done(); 53 done();
138 finishJSTest(); 54 finishJSTest();
139 }); 55 });
140 56
141 audit.runTasks( 57 audit.runTasks(
142 'test-suspend', 58 'interface',
143 'test-resume', 59 'promise-resolution',
144 'test-after-close', 60 'corner-cases',
145 'finish-test' 61 'finish-test'
146 ); 62 );
147 63
148 successfullyParsed = true; 64 successfullyParsed = true;
149 </script> 65 </script>
150 </body> 66 </body>
151 </html> 67 </html>
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