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| (Empty) | |
| 1 <!doctype html> |
| 2 <html> |
| 3 <head> |
| 4 <title>Test Constructor: Gain</title> |
| 5 <script src="../../resources/testharness.js"></script> |
| 6 <script src="../../resources/testharnessreport.js"></script> |
| 7 <script src="../resources/audio-testing.js"></script> |
| 8 <script src="audionodeoptions.js"></script> |
| 9 </head> |
| 10 |
| 11 <body> |
| 12 <script> |
| 13 var context; |
| 14 |
| 15 var audit = Audit.createTaskRunner(); |
| 16 |
| 17 audit.defineTask("initialize", function (taskDone) { |
| 18 Should("context = new OfflineAudioContext(...)", function () { |
| 19 context = new OfflineAudioContext(1, 1, 48000); |
| 20 }).notThrow(); |
| 21 taskDone(); |
| 22 }); |
| 23 |
| 24 audit.defineTask("invalid constructor", function (taskDone) { |
| 25 var node; |
| 26 var success = true; |
| 27 |
| 28 success = Should("new GainNode()", function () { |
| 29 node = new GainNode(); |
| 30 }).throw("TypeError"); |
| 31 success = Should("new GainNode(1)", function () { |
| 32 node = new GainNode(1); |
| 33 }).throw("TypeError") && success; |
| 34 success = Should("new GainNode(context, 42)", function () { |
| 35 node = new GainNode(context, 42); |
| 36 }).throw("TypeError") && success; |
| 37 |
| 38 Should("Invalid constructors", success) |
| 39 .summarize( |
| 40 "correctly threw errors", |
| 41 "did not throw errors in all cases"); |
| 42 |
| 43 taskDone(); |
| 44 }); |
| 45 |
| 46 audit.defineTask("default constructor", function (taskDone) { |
| 47 var node; |
| 48 var success = true; |
| 49 |
| 50 success = Should("node = new GainNode(context)", function () { |
| 51 node = new GainNode(context); |
| 52 }).notThrow(); |
| 53 success = Should("node instanceof GainNode", |
| 54 node instanceof GainNode) |
| 55 .beEqualTo(true) && success; |
| 56 |
| 57 success = Should("node.gain.value", node.gain.value) |
| 58 .beEqualTo(1) && success; |
| 59 |
| 60 success = Should("node.channelCount", node.channelCount) |
| 61 .beEqualTo(2) && success; |
| 62 success = Should("node.channelCountMode", node.channelCountMode) |
| 63 .beEqualTo("max") && success; |
| 64 success = Should("node.channelInterpretation", node.channelInterpretatio
n) |
| 65 .beEqualTo("speakers") && success; |
| 66 |
| 67 Should("new GainNode(context)", success) |
| 68 .summarize( |
| 69 "constructed node with correct attributes", |
| 70 "did not construct correct node correctly") |
| 71 |
| 72 taskDone(); |
| 73 }); |
| 74 |
| 75 audit.defineTask("test AudioNodeOptions", function (taskDone) { |
| 76 testAudioNodeOptions(context, "GainNode"); |
| 77 taskDone(); |
| 78 }); |
| 79 |
| 80 audit.defineTask("constructor with options", function (taskDone) { |
| 81 var node; |
| 82 var success = true; |
| 83 var options = { |
| 84 gain: -2, |
| 85 }; |
| 86 |
| 87 success = Should("node = new GainNode(c, " + JSON.stringify(options) + "
)", function () { |
| 88 node = new GainNode(context, options); |
| 89 }).notThrow(); |
| 90 success = Should("node instanceof GainNode", |
| 91 node instanceof GainNode) |
| 92 .beEqualTo(true) && success; |
| 93 |
| 94 success = Should("node.gain.value", node.gain.value) |
| 95 .beEqualTo(options.gain) && success; |
| 96 |
| 97 success = Should("node.channelCount", node.channelCount) |
| 98 .beEqualTo(2) && success; |
| 99 success = Should("node.channelCountMode", node.channelCountMode) |
| 100 .beEqualTo("max") && success; |
| 101 success = Should("node.channelInterpretation", node.channelInterpretatio
n) |
| 102 .beEqualTo("speakers") && success; |
| 103 |
| 104 Should("new GainNode() with options", success) |
| 105 .summarize( |
| 106 "constructed with correct attributes", |
| 107 "was not constructed correctly"); |
| 108 |
| 109 taskDone(); |
| 110 }); |
| 111 |
| 112 audit.runTasks(); |
| 113 </script> |
| 114 </body> |
| 115 </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