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Unified Diff: third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-sampling.html

Issue 2895963003: Apply layout-test-tidy to LayoutTests/webaudio (Closed)
Patch Set: Created 3 years, 7 months ago
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Index: third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-sampling.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-sampling.html b/third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-sampling.html
index 930e2c96de40a9d617ff5248d0aa4516b9da3592..bb06289a7d94e55dbb7fe36f80605e9f3c34814a 100644
--- a/third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-sampling.html
+++ b/third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-sampling.html
@@ -1,35 +1,35 @@
-<!doctype html>
+<!DOCTYPE html>
<html>
<head>
+ <title>
+ Test Sampling of LinearRampToValueAtTime
+ </title>
<script src="../../resources/testharness.js"></script>
- <script src="../../resources/testharnessreport.js"></script>
+ <script src="../../resources/testharnessreport.js"></script>
<script src="../resources/audit-util.js"></script>
<script src="../resources/audit.js"></script>
<script src="../resources/audioparam-testing.js"></script>
- <title>Test Sampling of LinearRampToValueAtTime</title>
</head>
-
<body>
- <script>
-
- var sampleRate = 12800;
- var context;
+ <script id="layout-test-code">
+ let sampleRate = 12800;
+ let context;
- var audit = Audit.createTaskRunner();
+ let audit = Audit.createTaskRunner();
function runTest(should, config) {
- // Create a short context with a constant signal source connected to a gain node that will
- // be automated.
+ // Create a short context with a constant signal source connected to a
+ // gain node that will be automated.
context = new OfflineAudioContext(1, 256, sampleRate);
// Create a constant unit amplitude source.
- var source = context.createBufferSource();
- var b = createConstantBuffer(context, 1, 1);
+ let source = context.createBufferSource();
+ let b = createConstantBuffer(context, 1, 1);
source.buffer = b;
source.loop = true;
// Gain node that is to be automated.
- var gain = context.createGain();
+ let gain = context.createGain();
gain.gain.value = 0;
gain.gain.setValueAtTime(config.startValue, config.startTime);
config.automationFunction(gain);
@@ -39,37 +39,39 @@
source.start();
- return context.startRendering().then(function (resultBuffer) {
+ return context.startRendering().then(function(resultBuffer) {
// Check that the automation has the correct sampling.
- var resultData = resultBuffer.getChannelData(0);
+ let resultData = resultBuffer.getChannelData(0);
- // The automation has starts at config.startTime, so the frame just after this should have
- // the automation applied.
- var startFrame = Math.ceil(config.startTime * sampleRate);
+ // The automation has starts at config.startTime, so the frame just
+ // after this should have the automation applied.
+ let startFrame = Math.ceil(config.startTime * sampleRate);
- // The automation ends at config.endTime so the frame just before this should have the
- // automation applied.
- var endFrame = Math.floor(config.endTime * sampleRate);
+ // The automation ends at config.endTime so the frame just before this
+ // should have the automation applied.
+ let endFrame = Math.floor(config.endTime * sampleRate);
// Use the true automation to find the expected values.
- var expectedStart = config.expectedFunction(startFrame / sampleRate);
- var expectedEnd = config.expectedFunction(endFrame / sampleRate);
-
- should(resultData[startFrame], config.desc + ": Sample " + startFrame)
- .beCloseTo(expectedStart, {threshold: config.startValueThreshold});
- should(resultData[endFrame], config.desc + ": Sample " + endFrame)
- .beCloseTo(expectedEnd, {threshold: config.endValueThreshold});
+ let expectedStart = config.expectedFunction(startFrame / sampleRate);
+ let expectedEnd = config.expectedFunction(endFrame / sampleRate);
+
+ should(resultData[startFrame], config.desc + ': Sample ' + startFrame)
+ .beCloseTo(
+ expectedStart, {threshold: config.startValueThreshold});
+ should(resultData[endFrame], config.desc + ': Sample ' + endFrame)
+ .beCloseTo(expectedEnd, {threshold: config.endValueThreshold});
});
}
function expectedLinear(t) {
- var slope = (this.endValue - this.startValue) / (this.endTime - this.startTime);
+ let slope =
+ (this.endValue - this.startValue) / (this.endTime - this.startTime);
return this.startValue + slope * (t - this.startTime);
};
function expectedExponential(t) {
- var ratio = this.endValue / this.startValue;
- var exponent = (t - this.startTime) / (this.endTime - this.startTime);
+ let ratio = this.endValue / this.startValue;
+ let exponent = (t - this.startTime) / (this.endTime - this.startTime);
return this.startValue * Math.pow(ratio, exponent);
};
@@ -81,11 +83,13 @@
g.gain.exponentialRampToValueAtTime(this.endValue, this.endTime);
}
- // Basically want to test that if neither the start time nor end time is on a frame boundary
- // that we sample the automation curve correctly. The start times and end times are mostly
- // arbitrary, except that they cannot be on a frame boundary.
- var testConfigs = [{
- desc: "linearRamp",
+ // Basically want to test that if neither the start time nor end time is
+ // on a frame boundary that we sample the automation curve correctly. The
+ // start times and end times are mostly arbitrary, except that they cannot
+ // be on a frame boundary.
+ let testConfigs = [
+ {
+ desc: 'linearRamp',
startTime: .1 / sampleRate,
endTime: 128.1 / sampleRate,
startValue: 1,
@@ -94,8 +98,9 @@
endValueThreshold: 1.526e-5,
automationFunction: linearAutomation,
expectedFunction: expectedLinear
- }, {
- desc: "linearRamp:short",
+ },
+ {
+ desc: 'linearRamp:short',
startTime: .1 / sampleRate,
endTime: 5.1 / sampleRate,
startValue: 1,
@@ -104,8 +109,9 @@
endValueThreshold: 9.537e-7,
automationFunction: linearAutomation,
expectedFunction: expectedLinear
- }, {
- desc: "linearRamp:long",
+ },
+ {
+ desc: 'linearRamp:long',
startTime: .1 / sampleRate,
endTime: 200.1 / sampleRate,
startValue: 1,
@@ -114,8 +120,9 @@
endValueThreshold: 4.674e-5,
automationFunction: linearAutomation,
expectedFunction: expectedLinear
- }, {
- desc: "exponentialRamp",
+ },
+ {
+ desc: 'exponentialRamp',
startTime: .1 / sampleRate,
endTime: 128.1 / sampleRate,
startValue: 1,
@@ -124,8 +131,9 @@
endValueThreshold: 1.484e-7,
automationFunction: exponentialAutomation,
expectedFunction: expectedExponential
- }, {
- desc: "exponentialRamp:short",
+ },
+ {
+ desc: 'exponentialRamp:short',
startTime: .1 / sampleRate,
endTime: 5.1 / sampleRate,
startValue: 1,
@@ -134,8 +142,9 @@
endValueThreshold: 3.821e-7,
automationFunction: exponentialAutomation,
expectedFunction: expectedExponential
- }, {
- desc: "exponentialRamp:long",
+ },
+ {
+ desc: 'exponentialRamp:long',
startTime: .1 / sampleRate,
endTime: 200.1 / sampleRate,
startValue: 1,
@@ -154,9 +163,9 @@
}
// Create all of the tasks from the test configs
- for (var k = 0; k < testConfigs.length; ++k) {
- var config = testConfigs[k];
- var taskName = config.desc + ":task" + k;
+ for (let k = 0; k < testConfigs.length; ++k) {
+ let config = testConfigs[k];
+ let taskName = config.desc + ':task' + k;
audit.define(taskName, createTaskFunction(config));
}

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