OLD | NEW |
---|---|
(Empty) | |
1 <!doctype html> | |
2 <html> | |
3 <head> | |
4 <script src="../resources/js-test.js"></script> | |
5 <script src="resources/compatibility.js"></script> | |
6 <script src="resources/audio-testing.js"></script> | |
7 </head> | |
8 | |
9 <body> | |
10 <script> | |
11 description('Basic test for OfflineAudioContext.suspend() and OfflineAudio Context.resume().'); | |
12 window.jsTestIsAsync = true; | |
13 | |
14 var sampleRate = 44100; | |
15 var renderDuration = 1; | |
16 var renderQuantum = 128; | |
17 | |
18 var audit = Audit.createTaskRunner(); | |
19 | |
20 // Task: Calling suspend with no argument or negative time should | |
21 // reject the promise. | |
22 audit.defineTask('suspend-invalid-argument', function (done) { | |
23 var context = new OfflineAudioContext(1, sampleRate * renderDuration, sa mpleRate); | |
24 | |
25 Should('context.suspend()', context.suspend()).beRejected(); | |
26 Should('context.suspend(-1.0)', context.suspend(-1.0)).beRejected(); | |
27 Should('context.suspend(2.0)', context.suspend(2.0)).beRejected(); | |
28 | |
29 context.startRendering().then(done); | |
30 }); | |
31 | |
32 // Task: Scheduling a suspend in the past should be rejected. | |
33 audit.defineTask('suspend-in-the-past', function (done) { | |
34 var context = new OfflineAudioContext(1, sampleRate * renderDuration, sa mpleRate); | |
35 | |
36 context.suspend(0.5).then(function () { | |
37 | |
38 Should('Scheduling a suspend in the past', | |
39 context.suspend(context.currentTime - 0.1)).beRejected(); | |
40 | |
41 Should('Scheduling a suspend in the future', | |
42 context.suspend(context.currentTime + 0.1).then(function () { | |
43 context.resume(); | |
44 })).beResolved(); | |
45 | |
46 context.resume(); | |
47 }); | |
48 | |
49 context.startRendering().then(done); | |
50 }); | |
51 | |
52 // Task: Calling multiple suspends at the same rendering quantum should | |
53 // reject the promise. | |
54 audit.defineTask('identical-suspend-time', function (done) { | |
55 var context = new OfflineAudioContext(1, sampleRate * renderDuration, sa mpleRate); | |
56 | |
57 // |suspendTime1| and |suspendTime2| are identical when quantized to | |
58 // the render quantum size. | |
59 var suspendTime1 = renderQuantum / sampleRate; | |
60 var suspendTime2 = renderQuantum * 1.5 / sampleRate; | |
Raymond Toy
2015/10/21 18:22:45
1.5 * renderQuantum seems more typical and obvious
hongchan
2015/10/22 18:23:48
Done.
| |
61 | |
62 context.suspend(suspendTime1).then(function () { | |
63 context.resume(); | |
64 }); | |
65 | |
66 // Printing out the pass message to be more informative here. | |
67 testPassed('Scheduling a suspend at frame ' + suspendTime1 * sampleRate + ' was successful.'); | |
68 | |
69 Should('Scheduling another suspend at the same rendering quantum', | |
70 context.suspend(suspendTime2)).beRejected(); | |
71 | |
72 context.startRendering().then(done); | |
73 }); | |
74 | |
75 // Task: Resuming the context before the actual suspension happens. | |
76 audit.defineTask('resume-before-suspend', function (done) { | |
77 var context = new OfflineAudioContext(1, sampleRate * renderDuration, sa mpleRate); | |
78 | |
79 // A suspend is scheduled at 0.5 second... | |
80 context.suspend(renderDuration * 0.5).then(done); | |
Raymond Toy
2015/10/21 18:22:45
Comment and code don't quite match. It's 0.5 sec
hongchan
2015/10/22 18:23:48
Done.
| |
81 | |
82 testPassed('Scheduling a suspend at 0.5 second.'); | |
83 | |
84 // We have to start rendering to get the time running. | |
85 context.startRendering(); | |
86 | |
87 // Then call resume() immediately after the rendering starts. This | |
88 // resume() will be performed before the actual suspension happens. | |
89 Should('Resuming at 0 second (before the actual suspend happens)', conte xt.resume()).beRejected(); | |
Raymond Toy
2015/10/21 18:22:45
Is there a potential race here? You've started re
hongchan
2015/10/22 18:23:48
Ack. I will make a note about it.
| |
90 }); | |
91 | |
92 // Task: Calling resume on non-suspended context should reject the promise . | |
93 audit.defineTask('resume-without-suspend', function (done) { | |
94 var context = new OfflineAudioContext(1, sampleRate * renderDuration, sa mpleRate); | |
95 | |
96 Should('Calling resume on context without any previous suspend', context .resume()) | |
97 .beRejected().then(done); | |
98 }); | |
99 | |
100 audit.defineTask('finish', function (done) { | |
101 finishJSTest(); | |
102 done(); | |
103 }); | |
104 | |
105 audit.runTasks( | |
106 'suspend-invalid-argument', | |
Raymond Toy
2015/10/21 18:22:45
I wouldn't list the individual tasks.
hongchan
2015/10/22 18:23:48
To be honest, I prefer to keep individual tasks, s
Raymond Toy
2015/10/22 18:41:44
Ok. It goes both ways: If I add a new test, it wo
hongchan
2015/10/22 20:17:04
Acknowledged.
| |
107 'suspend-in-the-past', | |
108 'identical-suspend-time', | |
109 'resume-before-suspend', | |
110 'resume-without-suspend', | |
111 'finish' | |
112 ); | |
113 | |
114 successfullyParsed = true; | |
115 </script> | |
116 | |
117 </body> | |
118 </html> | |
OLD | NEW |