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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
| commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
| tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /dom/media/webaudio/test/test_delayNode.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-upstream/115.8.0esr.tar.xz firefox-esr-upstream/115.8.0esr.zip | |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/webaudio/test/test_delayNode.html')
| -rw-r--r-- | dom/media/webaudio/test/test_delayNode.html | 101 |
1 files changed, 101 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 0000000000..89172aa86f --- /dev/null +++ b/dom/media/webaudio/test/test_delayNode.html @@ -0,0 +1,101 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Test DelayNode</title> + <script 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(context) { + var delay = new DelayNode(context); + 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"); + + delay = new DelayNode(context, { delayTime: 0.5 }); + ok(delay.delayTime, "The audioparam member must exist"); + is(delay.delayTime.value, 0.5, "Correct initial value"); + is(delay.delayTime.defaultValue, 0, "Correct default value"); + + 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(); + + 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); + + expectException(function() { + new DelayNode(context, { maxDelayTime: 0 }); + }, DOMException.NOT_SUPPORTED_ERR); + expectException(function() { + new DelayNode(context, { maxDelayTime: 180 }); + }, DOMException.NOT_SUPPORTED_ERR); + expectTypeError(function() { + new DelayNode(context, { maxDelayTime: NaN }); + }, DOMException.NOT_SUPPORTED_ERR); + expectException(function() { + new DelayNode(context, { maxDelayTime: -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(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> |