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. | |
yhirano
2015/11/11 16:10:55
or less than or equal to the current time?
hongchan
2015/11/11 21:21:30
Here we are not testing 'less than or equal to' ca
| |
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(); | |
yhirano
2015/11/11 16:10:55
return needed?
hongchan
2015/11/11 21:21:30
No, Should().beResolved() is expecting the resolut
| |
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 = 1.5 * renderQuantum / sampleRate; | |
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 a running context should be resolved. | |
76 audit.defineTask('resume-before-suspend', function (done) { | |
77 | |
78 // Make the render length 5 times longer to minimize the flakiness. | |
79 var longRenderDuration = renderDuration * 5; | |
80 var context = new OfflineAudioContext(1, sampleRate * longRenderDuration , sampleRate); | |
81 | |
82 // Create dummy audio graph to slow the rendering. | |
83 var osc = context.createOscillator(); | |
84 var lpf = context.createBiquadFilter(); | |
85 osc.type = 'sawtooth'; | |
86 osc.frequency.setValueAtTime(0.1, 0.0); | |
87 osc.frequency.linearRampToValueAtTime(1000, longRenderDuration * 0.5); | |
88 osc.frequency.linearRampToValueAtTime(0.1, longRenderDuration); | |
89 lpf.frequency.setValueAtTime(0.1, 0.0); | |
90 lpf.frequency.linearRampToValueAtTime(1000, longRenderDuration * 0.5); | |
91 lpf.frequency.linearRampToValueAtTime(0.1, longRenderDuration); | |
92 osc.connect(lpf); | |
93 lpf.connect(context.destination); | |
94 osc.start(); | |
95 | |
96 // A suspend is scheduled at the 90% of the render duration. | |
97 context.suspend(longRenderDuration * 0.9).then(done); | |
98 | |
99 testPassed('Scheduling a suspend at ' + longRenderDuration * 0.9 + ' sec onds.'); | |
100 | |
101 // We have to start rendering to get the time running. | |
102 context.startRendering(); | |
103 | |
104 // Then call resume() immediately after the rendering starts. Resuming | |
105 // a context that is already running should be resolved. | |
106 Should('Resuming a running context', context.resume()) | |
107 .beResolved(); | |
108 }); | |
109 | |
110 // Task: Calling resume on a context that is not started should reject the promise. | |
111 audit.defineTask('resume-without-suspend', function (done) { | |
112 var context = new OfflineAudioContext(1, sampleRate * renderDuration, sa mpleRate); | |
113 | |
114 Should('Resuming a context without starting it', context.resume()) | |
115 .beRejected().then(done); | |
116 }); | |
117 | |
118 audit.defineTask('finish', function (done) { | |
119 finishJSTest(); | |
120 done(); | |
121 }); | |
122 | |
123 audit.runTasks( | |
124 'suspend-invalid-argument', | |
125 'suspend-in-the-past', | |
126 'identical-suspend-time', | |
127 'resume-before-suspend', | |
128 'resume-without-suspend', | |
129 'finish' | |
130 ); | |
131 | |
132 successfullyParsed = true; | |
133 </script> | |
134 | |
135 </body> | |
136 </html> | |
OLD | NEW |