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Unified Diff: third_party/WebKit/LayoutTests/webaudio/waveshaper-copy-curve.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/waveshaper-copy-curve.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/waveshaper-copy-curve.html b/third_party/WebKit/LayoutTests/webaudio/waveshaper-copy-curve.html
deleted file mode 100644
index f9595392b9f3a67e12e7436da681877aee32afed..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/webaudio/waveshaper-copy-curve.html
+++ /dev/null
@@ -1,88 +0,0 @@
-<!doctype html>
-<html>
- <head>
- <title>Test WaveShaper Copies Curve Data</title>
- <script src="../resources/testharness.js"></script>
- <script src="../resources/testharnessreport.js"></script>
- <script src="resources/audit-util.js"></script>
- <script src="resources/audio-testing.js"></script>
- </head>
-
- <body>
- <script>
- // Sample rate and number of frames are fairly arbitrary. We need to
- // render, however, at least 384 frames. 1024 is a nice small value.
- var sampleRate = 16000;
- var renderFrames = 1024;
-
- var audit = Audit.createTaskRunner();
-
- audit.defineTask("test copying", function (taskDone) {
- // Two-channel context; channel 0 contains the test data and channel 1
- // contains the expected result. Channel 1 has the normal WaveShaper
- // output and channel 0 has the WaveShaper output with a modified curve.
- var context = new OfflineAudioContext(2, renderFrames, sampleRate);
-
- // Just use a default oscillator as the source. Doesn't really matter
- // what we use.
- var src = context.createOscillator();
- src.type = "sawtooth";
-
- // Create the wave shapers: ws0 is the test shaper, and ws1 is the
- // reference wave shaper.
- var ws0 = context.createWaveShaper();
- var ws1 = context.createWaveShaper();
-
- // Wave shaper curves. Doesn't really matter what we use as long as it
- // modifies the input in some way. Thus, keep it simple and just invert
- // the input.
- var desiredCurve = [1, 0, -1];
- var curve0 = Float32Array.from(desiredCurve);
- var curve1 = Float32Array.from(desiredCurve);
-
- ws0.curve = curve0;
- ws1.curve = curve1;
-
- var merger = context.createChannelMerger(2);
-
- // Connect the graph
- src.connect(ws0);
- src.connect(ws1);
-
- ws0.connect(merger, 0, 0);
- ws1.connect(merger, 0, 1);
-
- merger.connect(context.destination);
-
- // Let the context run for a bit and then modify the curve for ws0.
- // Doesn't really matter what we modify the curve to as long as it's
- // different.
- context.suspend(256 / context.sampleRate)
- .then(function () {
- curve0[0] = -0.5;
- curve0[1] = 0.125;
- curve0[2] = 0.75;
- })
- .then(context.resume.bind(context));
-
- src.start();
-
- context.startRendering().then(function (renderedBuffer) {
- var actual = renderedBuffer.getChannelData(0);
- var expected = renderedBuffer.getChannelData(1);
-
- // Modifying the wave shaper curve should not modify the output so the
- // outputs from the two wave shaper nodes should be exactly identical.
- var success = Should("WaveShaper with modified curve", actual)
- .beEqualToArray(expected);
-
- Should("Summary: ", success).summarize(
- "Output correctly did not change with modified WaveShaper curve.",
- "Output incorrectly changed due to modified WaveShaper curve.");
- }).then(taskDone);
- });
-
- audit.runTasks();
- </script>
- </body>
-</html>

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