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Unified Diff: third_party/WebKit/LayoutTests/webaudio/audiobuffersource-loop-grain-no-duration.html

Issue 2581463002: Refactor WebAudio test directory (Closed)
Patch Set: Use correct path for wav result files Created 4 years ago
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Index: third_party/WebKit/LayoutTests/webaudio/audiobuffersource-loop-grain-no-duration.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/audiobuffersource-loop-grain-no-duration.html b/third_party/WebKit/LayoutTests/webaudio/audiobuffersource-loop-grain-no-duration.html
deleted file mode 100644
index 2cde4dcee508326e9e112b33412376b4370430a2..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/webaudio/audiobuffersource-loop-grain-no-duration.html
+++ /dev/null
@@ -1,116 +0,0 @@
-<!DOCTYPE html>
-<html>
-
-<head>
- <title>Test AudioBufferSourceNode looping without explicit duration</title>
- <script src="../resources/js-test.js"></script>
- <script src="resources/compatibility.js"></script>
- <script src="resources/audit-util.js"></script>
- <script src="resources/audio-testing.js"></script>
-</head>
-
-<body>
- <script>
- description("Test AudioBufferSourceNode looping without explicit duration");
- window.jsTestIsAsync = true;
-
- // Reasonably low sample rate for the optimum test speed.
- var sampleRate = 4096;
-
- var audit = Audit.createTaskRunner();
-
- // Task: create a short linear ramp and enable looping. The test will
- // verify that the ramp was looped the appropriate number of times.
- audit.defineTask('loop-count', function (done) {
- // How many loops of the source we want to render. Any whole number
- // greater than 1 will work.
- var loopCount = 4;
- var sourceFrames = 8;
- var renderFrames = sourceFrames * loopCount;
-
- var context = new OfflineAudioContext(1, renderFrames, sampleRate);
- var source = context.createBufferSource();
- var linearRampBuffer = createLinearRampBuffer(context, sourceFrames);
-
- source.buffer = linearRampBuffer;
- source.connect(context.destination);
-
- // Enable looping and start the source with an offset, but without a
- // duration. In this case, the source should loop "forever".
- // See crbug.com/457009.
- source.loop = true;
- source.start(0, 0);
-
- context.startRendering().then(function (renderedBuffer) {
- var badIndex = -1;
- var success = true;
-
- var actual = renderedBuffer.getChannelData(0);
- var linearRamp = linearRampBuffer.getChannelData(0);
-
- // Manually create a |loopCount| copies of linear ramps.
- var expected = new Float32Array(linearRamp.length * loopCount);
- for (var i = 0; i < loopCount; i++)
- expected.set(linearRamp, linearRamp.length * i);
-
- // The actual output should match the created loop.
- Should('The output of actual and expected loops', actual)
- .beEqualToArray(expected);
- }).then(done);
- });
-
- // Task: Test that looping an AudioBufferSource works correctly if the
- // source is started and the buffer is assigned later, but before the source
- // would start.
- audit.defineTask('delayed-start', function (done) {
- var renderDuration = 2;
- var context = new OfflineAudioContext(2, sampleRate * renderDuration, sampleRate);
- var linearRampBuffer = createLinearRampBuffer(context, 128);
-
- var normal = context.createBufferSource();
- var delayed = context.createBufferSource();
- var merger = context.createChannelMerger(2);
-
- // Connect the normally started source to the left channel, and the
- // delayed to the right channel.
- normal.connect(merger, 0, 0);
- delayed.connect(merger, 0, 1);
- merger.connect(context.destination);
-
- normal.buffer = linearRampBuffer;
- normal.loop = true;
- delayed.loop = true;
-
- normal.start(1, 0);
- delayed.start(1, 0);
-
- // Assign the buffer to the delayed source node at 0.5 second.
- context.suspend(0.5).then(function () {
- delayed.buffer = linearRampBuffer;
- context.resume();
- });
-
- context.startRendering().then(function (buffer) {
- // The left and right channel must match regardless of the timing
- // of buffer assignment.
- Should('The content of the left and right channel',
- buffer.getChannelData(0)).beEqualToArray(buffer.getChannelData(1));
- }).then(done);
- });
-
- audit.defineTask('finish', function (done) {
- finishJSTest();
- done();
- });
-
- audit.runTasks(
- 'loop-count',
- 'delayed-start',
- 'finish'
- );
-
- successfullyParsed = true;
- </script>
-</body>
-
-</html>

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