third_party/WebKit/LayoutTests/webaudio/audioparam-initial-event.html - Issue 2581463002: Refactor WebAudio test directory

Unified Diff: third_party/WebKit/LayoutTests/webaudio/audioparam-initial-event.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/audioparam-initial-event.html

diff --git a/third_party/WebKit/LayoutTests/webaudio/audioparam-initial-event.html b/third_party/WebKit/LayoutTests/webaudio/audioparam-initial-event.html

deleted file mode 100644

index 15b4843f76a4972ad84948ea9fed7d1e5496d952..0000000000000000000000000000000000000000

--- a/third_party/WebKit/LayoutTests/webaudio/audioparam-initial-event.html

+++ /dev/null

@@ -1,176 +0,0 @@

-<!doctype html>

-<html>

-<head>

- <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>

- <script src="resources/audioparam-testing.js"></script>

- <title>AudioParam Initial Events </title>

-</head>

-<body>

- <script>

- description("Test Automation Ramps without Initial Event");

- window.jsTestIsAsync = true;

- var sampleRate = 48000;

- // Number of frames in a rendering quantum.

- var quantumFrames = 128;

- // Test doesn't need to run for very long.

- var renderDuration = 0.2;

- var renderFrames = renderDuration * sampleRate;

- var automationEndTime = 0.1;

- var audit = Audit.createTaskRunner();

- // The following tests start a ramp automation without an initial event. This should cause an

- // initial event to be added implicitly to give a starting point.

- audit.defineTask("linear-ramp", function (done) {

- runTest("Linear ramp", {

- automationFunction: function (node, value, time) {

- node.gain.linearRampToValueAtTime(value, time);

- },

- referenceFunction: linearRamp,

- // Experimentally determined threshold

- threshold: 6.0003e-8,

- // The starting value of the gain node

- v0: 0.5,

- // The target value of the automation

- v1: 0,

- })

- .then(done);

- });

- audit.defineTask("exponential-ramp", function (done) {

- runTest("Exponential ramp", {

- automationFunction: function (node, value, time) {

- node.gain.exponentialRampToValueAtTime(value, time);

- },

- referenceFunction: exponentialRamp,

- threshold: 2.3842e-6,

- v0: 0.5,

- v1: 2,

- })

- .then(done);

- });

- // Same tests as above, but we delay the call to the automation function. This is to verify that

- // the we still do the right thing after the context has started.

- audit.defineTask("delayed-linear-ramp", function (done) {

- runTest("Delayed linear ramp", {

- automationFunction: function (node, value, time) {

- node.gain.linearRampToValueAtTime(value, time);

- },

- referenceFunction: linearRamp,

- // Experimentally determined threshold

- threshold: 9.87968e-8,

- // The starting value of the gain node

- v0: 0.5,

- // The target value of the automation

- v1: 0,

- delay: quantumFrames / sampleRate

- })

- .then(done);

- });

- audit.defineTask("delayed-exponential-ramp", function (done) {

- runTest("Delayed exponential ramp", {

- automationFunction: function (node, value, time) {

- node.gain.exponentialRampToValueAtTime(value, time);

- },

- referenceFunction: exponentialRamp,

- // Experimentally determined threshold

- threshold: 1.3948e-5,

- // The starting value of the gain node

- v0: 0.5,

- // The target value of the automation

- v1: 2,

- delay: quantumFrames / sampleRate

- })

- .then(done);

- });

- audit.defineTask("finish", function (done) {

- finishJSTest();

- done();

- });

- audit.runTasks();

- // Generate the expected waveform for a linear ramp starting from the value |v0|, ramping to

- // to generate.

- function linearRamp(v0, v1, startTime, endTime, nFrames) {

- var expected = createLinearRampArray(startTime, endTime, v0, v1, sampleRate);

- var preFiller = new Array(Math.floor(startTime * sampleRate));

- var postFiller = new Array(nFrames - Math.ceil(endTime * sampleRate));

- preFiller.fill(v0);

- return preFiller.concat(expected.concat(postFiller.fill(v1)));

- }

- // Generate the expected waveform for an exponential ramp starting from the value |v0|,

- // many frames to generate.

- function exponentialRamp(v0, v1, startTime, endTime, nFrames) {

- var expected = createExponentialRampArray(startTime, endTime, v0, v1, sampleRate);

- var preFiller = new Array(Math.floor(startTime * sampleRate));

- preFiller.fill(v0);

- var postFiller = new Array(nFrames - Math.ceil(endTime * sampleRate));

- return preFiller.concat(expected.concat(postFiller.fill(v1)));

- }

- // Run an automation test. |message| is the message to use for printing the results. |options|

- // is a property bag containing the configuration of the test including the following:

- //

- // automationFunction - automation function to use,

- // referenceFunction - function generating the expected result

- // threshold - comparison threshold

- // v0 - starting value

- // v1 - end value for automation

- function runTest(message, options) {

- var automationFunction = options.automationFunction;

- var referenceFunction = options.referenceFunction;

- var threshold = options.threshold;

- var v0 = options.v0;

- var v1 = options.v1;

- var delay = options.delay;

- var context = new OfflineAudioContext(1, renderFrames, sampleRate);

- // A constant source of amplitude 1.

- var source = context.createBufferSource();

- source.buffer = createConstantBuffer(context, 1, 1);

- source.loop = true;

- // Automation is applied to a gain node

- var gain = context.createGain();

- gain.gain.value = v0;

- // Delay start of automation, if requested

- if (delay) {

- context.suspend(options.delay).then(function () {

- automationFunction(gain, v1, automationEndTime);

- context.resume();

- });

- } else {

- automationFunction(gain, v1, automationEndTime);

- }

- source.connect(gain);

- gain.connect(context.destination);

- source.start();

- return context.startRendering()

- .then(function (resultBuffer) {

- var result = resultBuffer.getChannelData(0);

- var expected = referenceFunction(v0, v1, delay ? delay : 0, automationEndTime, renderFrames);

- Should(message, result).beCloseToArray(expected, threshold);

- });

- }

- </script>

-</body>

-</html>