third_party/WebKit/LayoutTests/webaudio/waveshaper-limits.html - Issue 2581463002: Refactor WebAudio test directory

Unified Diff: third_party/WebKit/LayoutTests/webaudio/waveshaper-limits.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-limits.html

diff --git a/third_party/WebKit/LayoutTests/webaudio/waveshaper-limits.html b/third_party/WebKit/LayoutTests/webaudio/waveshaper-limits.html

deleted file mode 100644

index f50cd4e5cf0788a5a493873dc4c7b50886abac4d..0000000000000000000000000000000000000000

--- a/third_party/WebKit/LayoutTests/webaudio/waveshaper-limits.html

+++ /dev/null

@@ -1,115 +0,0 @@

-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

-<html>

- <head>

- <script src="../resources/js-test.js"></script>

- <script src="resources/compatibility.js"></script>

- </head>

- <body>

- <div id="description"></div>

- <div id="console"></div>

- <script>

- description("Test WaveShaperNode including values outside the range of [-1,1]");

- var context;

- var bufferData;

- var outputData;

- var reference;

- var sampleRate = 48000;

- // Must be odd so we have an exact middle point.

- var testFrames = 23;

- var scale = 1 / ((testFrames - 1) / 2 - 1);

- // Number of decimal digits to print

- var decimals = 6;

- // Required accuracy

- var diffThreshold = Math.pow(10, -decimals);

- // Generate reference data

- function generateReference() {

- // The curve data is 0, 1, 0, and the input data is a ramp from -1+eps to 1+eps. Then the

- // output is a ramp from 0 to 1 back to 0.

- var ref = new Float32Array(testFrames);

- var midPoint = (testFrames - 1) / 2;

- // First sample is below -1 at -1-scale.

- ref[0] = 0;

- // Generate ramp up to the mid-point

- for (var k = 0; k < midPoint; ++k) {

- ref[k + 1] = k * scale;

- }

- // The value at the mid-point must be 1, from the curve

- ref[midPoint] = 1;

- // Generate a ramp from 1 down to 0

- for (var k = midPoint; k < testFrames - 1; ++k) {

- ref[k + 1] = 2 - k * scale;

- }

- // The last sample is out of range at 1+scale

- ref[testFrames - 1] = 0;

- return ref;

- }

- function checkResult (event) {

- outputData = event.renderedBuffer.getChannelData(0);

- reference = generateReference();

- var success = true;

- // Verify that every output value matches our expected reference value.

- for (var k = 0; k < outputData.length; ++k) {

- var diff = outputData[k] - reference[k];

- if (Math.abs(diff) <= diffThreshold) {

- testPassed(bufferData[k].toFixed(decimals) + " -> " + outputData[k].toFixed(decimals) + ".");

- } else {

- testFailed(bufferData[k].toFixed(decimals) + " -> " + outputData[k].toFixed(decimals) + ", but expected " + reference[k].toFixed(decimals) + ".");

- success = false;

- }

- if (success)

- testPassed("All outputs matched expected results.");

- else

- testFailed("Some outputs did not match expected results.");

- finishJSTest();

- }

- function runTest () {

- if (window.testRunner) {

- testRunner.dumpAsText();

- testRunner.waitUntilDone();

- }

- window.jsTestIsAsync = true;

- context = new OfflineAudioContext(1, testFrames, sampleRate);

- // Create input values between -1.1 and 1.1

- var buffer = context.createBuffer(1, testFrames, context.sampleRate);

- bufferData = buffer.getChannelData(0);

- var start = -1 - scale;

- for (var k = 0; k < testFrames; ++k) {

- bufferData[k] = k * scale + start;

- }

- var source = context.createBufferSource();

- source.buffer = buffer;

- // Create simple waveshaper. It should map -1 to 0, 0 to 1, and +1 to 0 and interpolate

- // all points in between using a simple linear interpolator.

- var shaper = context.createWaveShaper();

- var curve = new Float32Array(3);

- curve[0] = 0;

- curve[1] = 1;

- curve[2] = 0;

- shaper.curve = curve;

- source.connect(shaper);

- shaper.connect(context.destination);

- source.start();

- context.oncomplete = checkResult;

- context.startRendering();

- }

- runTest();

- successfullyParsed = true;

- </script>

- </body>

-</html>