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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /dom/media/webaudio/test/test_gainNode.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/media/webaudio/test/test_gainNode.html')
| -rw-r--r-- | dom/media/webaudio/test/test_gainNode.html | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/dom/media/webaudio/test/test_gainNode.html b/dom/media/webaudio/test/test_gainNode.html new file mode 100644 index 000000000..41b19fda0 --- /dev/null +++ b/dom/media/webaudio/test/test_gainNode.html @@ -0,0 +1,57 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Test GainNode</title> + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> + <script type="text/javascript" src="webaudio.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> +</head> +<body> +<pre id="test"> +<script class="testbody" type="text/javascript"> + +var gTest = { + length: 2048, + 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 gain = context.createGain(); + + source.buffer = buffer; + + source.connect(gain); + + ok(gain.gain, "The audioparam member must exist"); + is(gain.gain.value, 1.0, "Correct initial value"); + is(gain.gain.defaultValue, 1.0, "Correct default value"); + gain.gain.value = 0.5; + is(gain.gain.value, 0.5, "Correct initial value"); + is(gain.gain.defaultValue, 1.0, "Correct default value"); + is(gain.channelCount, 2, "gain node has 2 input channels by default"); + is(gain.channelCountMode, "max", "Correct channelCountMode for the gain node"); + is(gain.channelInterpretation, "speakers", "Correct channelCountInterpretation for the gain node"); + + source.start(0); + return gain; + }, + createExpectedBuffers: function(context) { + var expectedBuffer = context.createBuffer(1, 2048, context.sampleRate); + for (var i = 0; i < 2048; ++i) { + expectedBuffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate) / 2; + } + return expectedBuffer; + }, +}; + +runTest(); + +</script> +</pre> +</body> +</html> |