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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_OfflineAudioContext.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_OfflineAudioContext.html')
| -rw-r--r-- | dom/media/webaudio/test/test_OfflineAudioContext.html | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/dom/media/webaudio/test/test_OfflineAudioContext.html b/dom/media/webaudio/test/test_OfflineAudioContext.html new file mode 100644 index 0000000000..d9403566ae --- /dev/null +++ b/dom/media/webaudio/test/test_OfflineAudioContext.html @@ -0,0 +1,118 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Test OfflineAudioContext</title> + <script 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 renderedBuffer = null; +var finished = 0; + +function finish() { + finished++; + if (finished == 2) { + SimpleTest.finish(); + } +} + +function setOrCompareRenderedBuffer(aRenderedBuffer) { + if (renderedBuffer) { + is(renderedBuffer, aRenderedBuffer, "Rendered buffers from the event and the promise should be the same"); + finish(); + } else { + renderedBuffer = aRenderedBuffer; + } +} + +SimpleTest.waitForExplicitFinish(); +addLoadEvent(function() { + let ctxs = [ + new OfflineAudioContext(2, 100, 22050), + new OfflineAudioContext({length: 100, sampleRate: 22050}), + new OfflineAudioContext({channels: 2, length: 100, sampleRate: 22050}), + ]; + + for (let ctx of ctxs) { + ok(ctx instanceof EventTarget, "OfflineAudioContexts must be EventTargets"); + is(ctx.length, 100, "OfflineAudioContext.length is equal to the value passed to the ctor."); + + var buf = ctx.createBuffer(2, 100, ctx.sampleRate); + for (var i = 0; i < 2; ++i) { + for (var j = 0; j < 100; ++j) { + buf.getChannelData(i)[j] = Math.sin(2 * Math.PI * 200 * j / ctx.sampleRate); + } + } + } + + is(ctxs[1].destination.channelCount, 1, "OfflineAudioContext defaults to to correct channelCount."); + + let ctx = ctxs[0]; + + expectException(function() { + new OfflineAudioContext(2, 100, 0); + }, DOMException.NOT_SUPPORTED_ERR); + expectException(function() { + new OfflineAudioContext(2, 100, -1); + }, DOMException.NOT_SUPPORTED_ERR); + expectException(function() { + new OfflineAudioContext(0, 100, 44100); + }, DOMException.NOT_SUPPORTED_ERR); + new OfflineAudioContext(32, 100, 44100); + expectException(function() { + new OfflineAudioContext(33, 100, 44100); + }, DOMException.NOT_SUPPORTED_ERR); + expectException(function() { + new OfflineAudioContext(2, 0, 44100); + }, DOMException.NOT_SUPPORTED_ERR); + expectTypeError(function() { + new OfflineAudioContext({}); + }); + expectTypeError(function() { + new OfflineAudioContext({sampleRate: 44100}); + }); + expectTypeError(function() { + new OfflineAudioContext({length: 44100*40}); + }); + + var src = ctx.createBufferSource(); + src.buffer = buf; + src.start(0); + src.connect(ctx.destination); + + ctx.addEventListener("complete", function(e) { + ok(e instanceof OfflineAudioCompletionEvent, "Correct event received"); + is(e.renderedBuffer.numberOfChannels, 2, "Correct expected number of buffers"); + ok(renderedBuffer != null, "The event should be fired after the promise callback."); + expectNoException(function() { + ctx.startRendering().then(function() { + ok(false, "Promise should not resolve when startRendering is called a second time on an OfflineAudioContext") + finish(); + }).catch(function(err) { + ok(true, "Promise should reject when startRendering is called a second time on an OfflineAudioContext") + finish(); + }); + }); + compareBuffers(e.renderedBuffer, buf); + setOrCompareRenderedBuffer(e.renderedBuffer); + + }); + + expectNoException(function() { + ctx.startRendering().then(function(b) { + is(renderedBuffer, null, "The promise callback should be called first."); + setOrCompareRenderedBuffer(b); + }).catch(function (error) { + ok(false, "The promise from OfflineAudioContext.startRendering should never be rejected"); + }); + }); +}); + +</script> +</pre> +</body> +</html> |