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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/media/webaudio/test/test_OfflineAudioContext.html
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!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>