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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /dom/media/webaudio/test/test_delayNode.html | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/media/webaudio/test/test_delayNode.html')
-rw-r--r-- | dom/media/webaudio/test/test_delayNode.html | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/dom/media/webaudio/test/test_delayNode.html b/dom/media/webaudio/test/test_delayNode.html new file mode 100644 index 000000000..a3e314ef7 --- /dev/null +++ b/dom/media/webaudio/test/test_delayNode.html @@ -0,0 +1,74 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Test DelayNode</title> + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> +</head> +<body> +<pre id="test"> +<script src="webaudio.js" type="text/javascript"></script> +<script class="testbody" type="text/javascript"> + +var gTest = { + length: 4096, + numberOfChannels: 1, + createGraph: function(context) { + var buffer = context.createBuffer(1, 2048, context.sampleRate); + for (var i = 0; i < 2048; ++i) { + buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate); + } + + var source = context.createBufferSource(); + + var delay = context.createDelay(); + + source.buffer = buffer; + + source.connect(delay); + + ok(delay.delayTime, "The audioparam member must exist"); + is(delay.delayTime.value, 0, "Correct initial value"); + is(delay.delayTime.defaultValue, 0, "Correct default value"); + delay.delayTime.value = 0.5; + is(delay.delayTime.value, 0.5, "Correct initial value"); + is(delay.delayTime.defaultValue, 0, "Correct default value"); + is(delay.channelCount, 2, "delay node has 2 input channels by default"); + is(delay.channelCountMode, "max", "Correct channelCountMode for the delay node"); + is(delay.channelInterpretation, "speakers", "Correct channelCountInterpretation for the delay node"); + + expectException(function() { + context.createDelay(0); + }, DOMException.NOT_SUPPORTED_ERR); + expectException(function() { + context.createDelay(180); + }, DOMException.NOT_SUPPORTED_ERR); + expectTypeError(function() { + context.createDelay(NaN); + }, DOMException.NOT_SUPPORTED_ERR); + expectException(function() { + context.createDelay(-1); + }, DOMException.NOT_SUPPORTED_ERR); + context.createDelay(1); // should not throw + + // Delay the source stream by 2048 frames + delay.delayTime.value = 2048 / context.sampleRate; + + source.start(0); + return delay; + }, + createExpectedBuffers: function(context) { + var expectedBuffer = context.createBuffer(1, 2048 * 2, context.sampleRate); + for (var i = 2048; i < 2048 * 2; ++i) { + expectedBuffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * (i - 2048) / context.sampleRate); + } + return expectedBuffer; + }, +}; + +runTest(); + +</script> +</pre> +</body> +</html> |