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| (Empty) | |
| 1 <!doctype html> |
| 2 <html> |
| 3 <head> |
| 4 <title>Test Constructor: AudioBuffer</title> |
| 5 <script src="../../resources/testharness.js"></script> |
| 6 <script src="../../resources/testharnessreport.js"></script> |
| 7 <script src="../resources/compatibility.js"></script> |
| 8 </head> |
| 9 |
| 10 <body> |
| 11 <script> |
| 12 var context; |
| 13 |
| 14 test(function () { |
| 15 context = new OfflineAudioContext(1, 1, 48000); |
| 16 assert_true(context instanceof OfflineAudioContext, |
| 17 "context created successfully"); |
| 18 }, "Construct offline context"); |
| 19 |
| 20 test(function () { |
| 21 assert_throws(null, |
| 22 function () { |
| 23 var node = new AudioBuffer(context); |
| 24 }, "Two arguments required"); |
| 25 |
| 26 assert_throws(null, |
| 27 function () { |
| 28 return new AudioBuffer(42, {}) |
| 29 }, "First argument must be a context"); |
| 30 |
| 31 assert_throws(null, |
| 32 function () { |
| 33 return new AudioBuffer(context, 42); |
| 34 }, "Second arg must be an object"); |
| 35 }, "Test argument count and type"); |
| 36 |
| 37 test(function () { |
| 38 assert_throws("NotFoundError", |
| 39 function () { |
| 40 var buffer = new AudioBuffer(context, {}); |
| 41 }, "Empty options"); |
| 42 |
| 43 assert_throws("NotFoundError", |
| 44 function () { |
| 45 var buffer = new AudioBuffer(context, { |
| 46 numberOfChannels: 1 |
| 47 }); |
| 48 }, "Include numberOfChannels"); |
| 49 |
| 50 assert_throws("NotFoundError", |
| 51 function () { |
| 52 var buffer = new AudioBuffer(context, { |
| 53 length: 10 |
| 54 }); |
| 55 }, "Include numberOfChannels"); |
| 56 |
| 57 }, "Construct AudioBuffer without required values, throwing errors"); |
| 58 |
| 59 test(function () { |
| 60 var options = { |
| 61 numberOfChannels: 3, |
| 62 length: 42, |
| 63 sampleRate: 16000 |
| 64 }; |
| 65 var buffer = new AudioBuffer(context, options); |
| 66 |
| 67 assert_equals(buffer.numberOfChannels, options.numberOfChannels); |
| 68 assert_equals(buffer.length, options.length); |
| 69 assert_equals(buffer.sampleRate, options.sampleRate); |
| 70 |
| 71 buffer = new AudioBuffer(context, { |
| 72 numberOfChannels: 3, |
| 73 length: 42 |
| 74 }); |
| 75 |
| 76 assert_equals(buffer.sampleRate, context.sampleRate); |
| 77 |
| 78 }, "Construct valid AudioBuffer and check values"); |
| 79 |
| 80 </script> |
| 81 </body> |
| 82 </html> |
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Chromium Code Reviews
Issue 2102133002:
Add constructors for WebAudio nodes (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master