third_party/WebKit/LayoutTests/webaudio/Oscillator/start-sampling.html - Issue 2895963003: Apply layout-test-tidy to LayoutTests/webaudio

Unified Diff: third_party/WebKit/LayoutTests/webaudio/Oscillator/start-sampling.html

Issue 2895963003: Apply layout-test-tidy to LayoutTests/webaudio (Closed)

Patch Set: Created 3 years, 7 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

View side-by-side diff with in-line comments

« no previous file with comments | « third_party/WebKit/LayoutTests/webaudio/Oscillator/oscillator-late-start.html ('k') | third_party/WebKit/LayoutTests/webaudio/Panner/distance-exponential.html » ('j') | third_party/WebKit/LayoutTests/webaudio/tools/layout-test-tidy.js » ('J')
Expand Comments ('e') | Collapse Comments ('c') | Hide Comments ('s')

Index: third_party/WebKit/LayoutTests/webaudio/Oscillator/start-sampling.html

diff --git a/third_party/WebKit/LayoutTests/webaudio/Oscillator/start-sampling.html b/third_party/WebKit/LayoutTests/webaudio/Oscillator/start-sampling.html

index 4d2c31a969b7bcf94aa8cc334fe6113e72b1f3ab..59b6994d5a7ad0c87f8d346ba9e5cf1bcf836956 100644

--- a/third_party/WebKit/LayoutTests/webaudio/Oscillator/start-sampling.html

+++ b/third_party/WebKit/LayoutTests/webaudio/Oscillator/start-sampling.html

@@ -1,22 +1,23 @@

-<!doctype html>

+<!DOCTYPE html>

<html>

<head>

- <title>Test Sampling of Oscillator Start Times</title>

+ <title>

+ Test Sampling of Oscillator Start Times

+ </title>

</head>

<body>

- <script>

+ <script id="layout-test-code">

// Experimentation indicates that this sample rate with a 440 Hz

// oscillator makes for a large difference in the difference signal if the

// oscillator start isn't sampled correctly.

let defaultSampleRate = 24000;

let renderDuration = 1;

let renderFrames = renderDuration * defaultSampleRate;

let audit = Audit.createTaskRunner();

audit.define(

@@ -82,13 +83,13 @@

function testStartSampling(should, startFrame, thresholds) {

// Start the oscillator in the middle of a sample frame and compare

// against the theoretical result.

- let context = new OfflineAudioContext(1, renderFrames,

- defaultSampleRate);

+ let context =

+ new OfflineAudioContext(1, renderFrames, defaultSampleRate);

let osc = context.createOscillator();

osc.connect(context.destination);

osc.start(startFrame / context.sampleRate);

- return context.startRendering().then(function (result) {

+ return context.startRendering().then(function(result) {

let actual = result.getChannelData(0);

let expected = new Array(actual.length);

expected.fill(0);

@@ -97,21 +98,20 @@

// sin(2*pi*f*(t-t0))

- // where f is the oscillator frequency and t0 is the start time.

+ // where f is the oscillator frequency and t0 is the start time.

let actualStart = Math.ceil(startFrame);

let omega = 2 * Math.PI * osc.frequency.value / context.sampleRate;

for (let k = actualStart; k < actual.length; ++k) {

expected[k] = Math.sin(omega * (k - startFrame));

}

- let prefix = "Oscillator.start(" + startFrame + " frames)";

- should(actual, prefix)

- .beCloseToArray(expected, {

- absoluteThreshold: thresholds.error

- });

+ let prefix = 'Oscillator.start(' + startFrame + ' frames)';

+ should(actual, prefix).beCloseToArray(expected, {

+ absoluteThreshold: thresholds.error

+ });

let snr = 10 * Math.log10(computeSNR(actual, expected));

- should(snr, prefix + ": SNR (dB)")

- .beGreaterThanOrEqualTo(thresholds.snrThreshold);

+ should(snr, prefix + ': SNR (dB)')

+ .beGreaterThanOrEqualTo(thresholds.snrThreshold);

})

}

@@ -143,8 +143,7 @@

let osc2 = context.createOscillator();

// Creates a cosine wave.

let wave = context.createPeriodicWave(

- Float32Array.from([0, 1]),

- Float32Array.from([0, 0]));

+ Float32Array.from([0, 1]), Float32Array.from([0, 0]));

osc2.setPeriodicWave(wave);

osc2.connect(merger, 0, 1);

@@ -158,7 +157,7 @@

osc.start();

osc2.start(quarterWaveTime);

- return context.startRendering().then(function (result) {

+ return context.startRendering().then(function(result) {

// Channel 0 = diff

// Channel 1 = osc with start

// Channel 2 = osc with gain

@@ -170,13 +169,13 @@

let oscGain = result.getChannelData(2);

let snr = 10 * Math.log10(computeSNR(oscStart, oscGain));

- let prefix = "Sample rate " + sampleRate + ": Delayed cosine oscillator";

- should(oscStart, prefix)

- .beCloseToArray(oscGain, {