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Unified Diff: third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-negative-exponentialRamp.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-negative-exponentialRamp.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-negative-exponentialRamp.html b/third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-negative-exponentialRamp.html
index 22fb52857b7497a97c8ab29e5cf4f133f06faaf1..53c0dd1b24da3a436f6ba0c3b542bd3c40c3a8a8 100644
--- a/third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-negative-exponentialRamp.html
+++ b/third_party/WebKit/LayoutTests/webaudio/AudioParam/audioparam-negative-exponentialRamp.html
@@ -1,43 +1,43 @@
-<!doctype html>
+<!DOCTYPE html>
<html>
<head>
+ <title>
+ Test Negative AudioParam.exponentialRampToValueAtTime
+ </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>
- <title>Test Negative AudioParam.exponentialRampToValueAtTime</title>
</head>
-
<body>
- <script>
-
- var sampleRate = 48000;
+ <script id="layout-test-code">
+ let sampleRate = 48000;
- var audit = Audit.createTaskRunner();
+ let audit = Audit.createTaskRunner();
- audit.define("both negative values", (task, should) => {
- var renderDuration = 0.125;
+ audit.define('both negative values', (task, should) => {
+ let renderDuration = 0.125;
- // Create context with two channels. Channel 0 contains the positive-valued exponential and
- // channel 1 contains the negative-valued exponential. We'll compare the two channels to
+ // Create context with two channels. Channel 0 contains the
+ // positive-valued exponential and channel 1 contains the
+ // negative-valued exponential. We'll compare the two channels to
// verify that they're the same, as they should be.
- var context = new OfflineAudioContext(2, renderDuration * sampleRate, sampleRate);
- var source = context.createBufferSource();
+ let context =
+ new OfflineAudioContext(2, renderDuration * sampleRate, sampleRate);
+ let source = context.createBufferSource();
source.buffer = createConstantBuffer(context, 1, 1);
source.loop = true;
- // Gain node gp is for the positive-valued exponential ramp, and gn is for the negative-valued
- // exponential ramp.
- var gp = context.createGain();
- var gn = context.createGain();
- var merger = context.createChannelMerger(2);
+ // Gain node gp is for the positive-valued exponential ramp, and gn is
+ // for the negative-valued exponential ramp.
+ let gp = context.createGain();
+ let gn = context.createGain();
+ let merger = context.createChannelMerger(2);
- source.connect(gp)
- .connect(merger, 0, 0);
- source.connect(gn)
- .connect(merger, 0, 1);
+ source.connect(gp).connect(merger, 0, 0);
+ source.connect(gn).connect(merger, 0, 1);
merger.connect(context.destination);
-
+
gp.gain.setValueAtTime(1, 0);
gp.gain.exponentialRampToValueAtTime(2, renderDuration);
@@ -46,102 +46,113 @@
source.start();
- context.startRendering().then(function (resultBuffer) {
- // Verify that channels have the same values, except for the sign.
- var expected = resultBuffer.getChannelData(0);
- var actual = resultBuffer.getChannelData(1);
- var inverted = expected.map(sample => -sample);
-
- should(actual, "Negative exponential ramp from -1 to -2")
- .beEqualToArray(inverted);
- }).then(() => task.done());
+ context.startRendering()
+ .then(function(resultBuffer) {
+ // Verify that channels have the same values, except for the sign.
+ let expected = resultBuffer.getChannelData(0);
+ let actual = resultBuffer.getChannelData(1);
+ let inverted = expected.map(sample => -sample);
+
+ should(actual, 'Negative exponential ramp from -1 to -2')
+ .beEqualToArray(inverted);
+ })
+ .then(() => task.done());
});
- audit.define("negative-end", (task, should) => {
+ audit.define('negative-end', (task, should) => {
// Positive start value and negative end value should just do nothing.
- var renderDuration = 0.125;
- var context = new OfflineAudioContext(1, renderDuration * sampleRate, sampleRate);
- var source = context.createBufferSource();
+ let renderDuration = 0.125;
+ let context =
+ new OfflineAudioContext(1, renderDuration * sampleRate, sampleRate);
+ let source = context.createBufferSource();
source.buffer = createConstantBuffer(context, 1, 1);
source.loop = true;
- // Gain node gp is for the positive-valued exponential ramp, and gn is for the negative-valued
- // exponential ramp.
- var g = context.createGain();
-
+ // Gain node gp is for the positive-valued exponential ramp, and gn is
+ // for the negative-valued exponential ramp.
+ let g = context.createGain();
+
g.gain.setValueAtTime(2, 0);
g.gain.exponentialRampToValueAtTime(-1, renderDuration);
- source.connect(g)
- .connect(context.destination);
+ source.connect(g).connect(context.destination);
source.start();
- context.startRendering().then(function (resultBuffer) {
- var actual = resultBuffer.getChannelData(0);
+ context.startRendering()
+ .then(function(resultBuffer) {
+ let actual = resultBuffer.getChannelData(0);
- should(actual, "Exponential ramp from 2 to -1")
- .beConstantValueOf(2);
- }).then(() => task.done());
+ should(actual, 'Exponential ramp from 2 to -1')
+ .beConstantValueOf(2);
+ })
+ .then(() => task.done());
});
- audit.define("positive-end", (task, should) => {
+ audit.define('positive-end', (task, should) => {
// Positive start value and negative end value should just do nothing.
- var renderDuration = 0.125;
- var context = new OfflineAudioContext(1, renderDuration * sampleRate, sampleRate);
- var source = context.createBufferSource();
+ let renderDuration = 0.125;
+ let context =
+ new OfflineAudioContext(1, renderDuration * sampleRate, sampleRate);
+ let source = context.createBufferSource();
source.buffer = createConstantBuffer(context, 1, 1);
source.loop = true;
- var g = context.createGain();
-
+ let g = context.createGain();
+
g.gain.setValueAtTime(-1, 0);
g.gain.exponentialRampToValueAtTime(1, renderDuration);
- source.connect(g)
- .connect(context.destination);
+ source.connect(g).connect(context.destination);
source.start();
- context.startRendering().then(function (resultBuffer) {
- var actual = resultBuffer.getChannelData(0);
+ context.startRendering()
+ .then(function(resultBuffer) {
+ let actual = resultBuffer.getChannelData(0);
- should(actual, "Exponential ramp from -1 to 1")
- .beConstantValueOf(-1);
- }).then(() => task.done());
+ should(actual, 'Exponential ramp from -1 to 1')
+ .beConstantValueOf(-1);
+ })
+ .then(() => task.done());
});
- audit.define("propagate", (task, should) => {
- // Test propagation of ramp if the exponential ramp start and end values have opposite sign.
- var renderDuration = 0.125;
- var linearRampEnd = renderDuration / 4;
- var exponentialRampEnd = renderDuration / 2;
+ audit.define('propagate', (task, should) => {
+ // Test propagation of ramp if the exponential ramp start and end values
+ // have opposite sign.
+ let renderDuration = 0.125;
+ let linearRampEnd = renderDuration / 4;
+ let exponentialRampEnd = renderDuration / 2;
- var context = new OfflineAudioContext(1, renderDuration * sampleRate, sampleRate);
- var source = context.createBufferSource();
+ let context =
+ new OfflineAudioContext(1, renderDuration * sampleRate, sampleRate);
+ let source = context.createBufferSource();
source.buffer = createConstantBuffer(context, 1, 1);
source.loop = true;
- var g = context.createGain();
-
+ let g = context.createGain();
+
g.gain.setValueAtTime(2, 0);
g.gain.linearRampToValueAtTime(-1, linearRampEnd);
g.gain.exponentialRampToValueAtTime(1, exponentialRampEnd);
- source.connect(g)
- .connect(context.destination);
+ source.connect(g).connect(context.destination);
source.start();
- context.startRendering().then(function (resultBuffer) {
- var actual = resultBuffer.getChannelData(0);
-
- // Since the start value of the exponential ramp is -1 and the end value is 1, the ramp
- // should just propagate -1 from the end of the linear ramp "forever".
- var endFrame = Math.ceil(linearRampEnd * sampleRate);
- should(actual.slice(endFrame),
- "Exponential ramp from -1 to 1 after the end of the linear ramp")
- .beConstantValueOf(-1);
- }).then(() => task.done());
-
+ context.startRendering()
+ .then(function(resultBuffer) {
+ let actual = resultBuffer.getChannelData(0);
+
+ // Since the start value of the exponential ramp is -1 and the end
+ // value is 1, the ramp should just propagate -1 from the end of
+ // the linear ramp "forever".
+ let endFrame = Math.ceil(linearRampEnd * sampleRate);
+ should(
+ actual.slice(endFrame),
+ 'Exponential ramp from -1 to 1 after the end of the linear ramp')
+ .beConstantValueOf(-1);
+ })
+ .then(() => task.done());
+
});
audit.run();
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