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

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Issue 2581463002: Refactor WebAudio test directory (Closed)

Patch Set: Use correct path for wav result files Created 4 years ago

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diff --git a/third_party/WebKit/LayoutTests/webaudio/audionode-disconnect-audioparam.html b/third_party/WebKit/LayoutTests/webaudio/audionode-disconnect-audioparam.html

deleted file mode 100644

index edddf7cc9b6fcf856ed590bf76435172b9f8a73d..0000000000000000000000000000000000000000

--- a/third_party/WebKit/LayoutTests/webaudio/audionode-disconnect-audioparam.html

+++ /dev/null

@@ -1,217 +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>

-</head>

-<body>

- <script>

- description('Test disconnect() method on AudioParam destination.');

- window.jsTestIsAsync = true;

- var renderQuantum = 128;

- var sampleRate = 44100;

- var renderDuration = 0.5;

- var disconnectTime = 0.5 * renderDuration;

- var audit = Audit.createTaskRunner();

- // Calculate the index for disconnection.

- function getDisconnectIndex(disconnectTime) {

- var disconnectIndex = disconnectTime * sampleRate;

- return disconnectIndex -= (disconnectIndex) % renderQuantum;

- }

- // Get the index of value change.

- function getValueChangeIndex(array, targetValue) {

- return array.findIndex(function (element, index) {

- if (element === targetValue)

- return true;

- });

- }

- // Task 1: test disconnect(AudioParam) method.

- audit.defineTask('disconnect(AudioParam)', function (done) {

- // Creates a buffer source with value [1] and then connect it to two gain

- // nodes in series. The output of the buffer source is lowered by half

- // (* 0.5) and then connected to two |.gain| AudioParams in each gain node.

- //

- // (1) bufferSource => gain1 => gain2

- // (2) bufferSource => half => gain1.gain

- // (3) half => gain2.gain

- //

- // This graph should produce the output of 2.25 (= 1 * 1.5 * 1.5). After

- // disconnecting (3), it should produce 1.5.

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

- var source = context.createBufferSource();

- var buffer1ch = createConstantBuffer(context, 1, 1);

- var half = context.createGain();

- var gain1 = context.createGain();

- var gain2 = context.createGain();

- source.buffer = buffer1ch;

- source.loop = true;

- half.gain.value = 0.5;

- source.connect(gain1);

- gain1.connect(gain2);

- gain2.connect(context.destination);

- source.connect(half);

- // signal by 2.25 (= 1.5 * 1.5) because each gain node amplifies the signal

- // by 1.5 (= 1.0 + 0.5).

- half.connect(gain1.gain);

- half.connect(gain2.gain);

- source.start();

- // Schedule the disconnection at the half of render duration.

- context.suspend(disconnectTime).then(function () {

- half.disconnect(gain2.gain);

- context.resume();

- });

- context.startRendering().then(function (buffer) {

- var channelData = buffer.getChannelData(0);

- var disconnectIndex = getDisconnectIndex(disconnectTime);

- var valueChangeIndex = getValueChangeIndex(channelData, 1.5);

- // Expected values are: 1 * 1.5 * 1.5 -> 1 * 1.5 = [2.25, 1.5]

- Should('Channel #0', channelData).containValues([2.25, 1.5]);

- Should('The index of value change', valueChangeIndex)

- .beEqualTo(disconnectIndex);

- }).then(done);

- });

- // Task 2: test disconnect(AudioParam, output) method.

- audit.defineTask('disconnect(AudioParam, output)', function (done) {

- // Create a 2-channel buffer source with [1, 2] in each channel and

- // make a serial connection through gain1 and gain 2. The make the buffer

- // source half with a gain node and connect it to a 2-output splitter.

- // Connect each output to 2 gain AudioParams respectively.

- //

- // (1) bufferSource => gain1 => gain2

- // (2) bufferSource => half => splitter(2)

- // (3) splitter#0 => gain1.gain

- // (4) splitter#1 => gain2.gain

- //

- // This graph should produce 3 (= 1 * 1.5 * 2) and 6 (= 2 * 1.5 * 2) for

- // each channel. After disconnecting (4), it should output 1.5 and 3.

- var context = new OfflineAudioContext(2, renderDuration * sampleRate, sampleRate);

- var source = context.createBufferSource();

- var buffer2ch = createConstantBuffer(context, 1, [1, 2]);

- var splitter = context.createChannelSplitter(2);

- var half = context.createGain();

- var gain1 = context.createGain();

- var gain2 = context.createGain();

- source.buffer = buffer2ch;

- source.loop = true;

- half.gain.value = 0.5;

- source.connect(gain1);

- gain1.connect(gain2);

- gain2.connect(context.destination);

- // |source| originally is [1, 2] but it becomes [0.5, 1] after 0.5 gain.

- // Each splitter's output will be applied to |gain1.gain| and |gain2.gain|

- // respectively in an additive fashion.

- source.connect(half);

- half.connect(splitter);

- // This amplifies the signal by 1.5. (= 1.0 + 0.5)

- splitter.connect(gain1.gain, 0);

- // This amplifies the signal by 2. (= 1.0 + 1.0)

- splitter.connect(gain2.gain, 1);

- source.start();

- // Schedule the disconnection at the half of render duration.

- context.suspend(disconnectTime).then(function () {

- splitter.disconnect(gain2.gain, 1);

- context.resume();

- });

- context.startRendering().then(function (buffer) {

- var channelData0 = buffer.getChannelData(0);

- var channelData1 = buffer.getChannelData(1);

- var disconnectIndex = getDisconnectIndex(disconnectTime);

- var valueChangeIndexCh0 = getValueChangeIndex(channelData0, 1.5);

- var valueChangeIndexCh1 = getValueChangeIndex(channelData1, 3);

- // Expected values are: 1 * 1.5 * 2 -> 1 * 1.5 = [3, 1.5]

- Should('Channel #0', channelData0).containValues([3, 1.5]);

- Should('The index of value change in channel #0', valueChangeIndexCh0)

- .beEqualTo(disconnectIndex);

- // Expected values are: 2 * 1.5 * 2 -> 2 * 1.5 = [6, 3]

- Should('Channel #1', channelData1).containValues([6, 3]);

- Should('The index of value change in channel #1', valueChangeIndexCh1)

- .beEqualTo(disconnectIndex);

- }).then(done);

- });

- // Task 3: exception checks.

- audit.defineTask('exceptions', function (done) {

- var context = new AudioContext();

- var gain1 = context.createGain();

- var splitter = context.createChannelSplitter(2);

- var gain2 = context.createGain();

- var gain3 = context.createGain();

- // Connect a splitter to gain nodes and merger so we can test the possible

- // ways of disconnecting the nodes to verify that appropriate exceptions

- // are thrown.

- gain1.connect(splitter);

- splitter.connect(gain2.gain, 0);

- splitter.connect(gain3.gain, 1);

- gain2.connect(gain3);

- gain3.connect(context.destination);

- // gain1 is not connected to gain3.gain. Exception should be thrown.

- Should('gain1.disconnect(gain3.gain)', function () {

- gain1.disconnect(gain3.gain);

- }).throw('InvalidAccessError');

- // When the output index is good but the destination is invalid.

- Should('splitter.disconnect(gain1.gain, 1)', function () {

- splitter.disconnect(gain1.gain, 1);

- }).throw('InvalidAccessError');

- // When both arguments are wrong, throw IndexSizeError first.

- Should('splitter.disconnect(gain1.gain, 2)', function () {

- splitter.disconnect(gain1.gain, 2);

- }).throw('IndexSizeError');

- done();

- });

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

- finishJSTest();

- done();

- });

- audit.runTasks(

- 'disconnect(AudioParam)',

- 'disconnect(AudioParam, output)',

- 'exceptions',

- 'finish'

- );

- successfullyParsed = true;

- </script>

-</body>

-</html>