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Unified Diff: third_party/WebKit/LayoutTests/webaudio/ChannelSplitter/audiochannelsplitter.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/ChannelSplitter/audiochannelsplitter.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/ChannelSplitter/audiochannelsplitter.html b/third_party/WebKit/LayoutTests/webaudio/ChannelSplitter/audiochannelsplitter.html
index 77ee8a34aa6c05b299a7e7f0b02703a881168259..0e1512a033ab2efee2aa9bfffc763d7469166d6f 100644
--- a/third_party/WebKit/LayoutTests/webaudio/ChannelSplitter/audiochannelsplitter.html
+++ b/third_party/WebKit/LayoutTests/webaudio/ChannelSplitter/audiochannelsplitter.html
@@ -1,143 +1,141 @@
<!DOCTYPE html>
-
<!--
Tests that AudioChannelSplitter works correctly.
-->
-
<html>
-<head>
-<script src="../../resources/testharness.js"></script>
-<script src="../../resources/testharnessreport.js"></script>
-<script src="../resources/audit-util.js"></script>
-<script src="../resources/audit.js"></script>
-</head>
-
-<body>
-
-<script>
-var audit = Audit.createTaskRunner();
-
-var sampleRate = 44100.0;
-var lengthInSampleFrames = 512;
-
-var context = 0;
-var sourceBuffer;
-var sourceNode;
-var channelSplitter;
-var channelMerger;
-
-function createStereoBufferWithDCOffset(length, sampleRate, offset) {
- var buffer = context.createBuffer(2, length, sampleRate);
- var n = buffer.length;
- var channelL = buffer.getChannelData(0);
- var channelR = buffer.getChannelData(1);
-
- for (var i = 0; i < n; ++i) {
- channelL[i] = offset;
- channelR[i] = -1.0 * offset;
- }
-
- return buffer;
-}
-
-// checkResult() checks that the rendered buffer is stereo and that the left channel is all -1 and right channel all +1.
-// In other words, we've reversed the order of the two channels.
-function checkResult(buffer, should) {
-
- var success = true;
-
- if (buffer.numberOfChannels == 2) {
- var bufferDataL = buffer.getChannelData(0);
- var bufferDataR = buffer.getChannelData(1);
-
- success = should(bufferDataL, "Left channel")
- .beConstantValueOf(-1) && success;
- success = should(bufferDataR, "Right channel")
- .beConstantValueOf(1) && success;
- } else {
- success = false;
- }
-
- should(success, "Left and right channels were exchanged")
- .message("correctly", "incorrectly");
-}
-
-audit.define({
- label: "construction",
- description: "Construction of ChannelSplitterNode"
-}, function (task, should) {
-
- // Create stereo offline audio context.
- context = new OfflineAudioContext(2, lengthInSampleFrames, sampleRate);
-
- var splitternode;
- should(() => {
- var splitternode = context.createChannelSplitter(0);
- }, "createChannelSplitter(0)")
- .throw("IndexSizeError");
-
- should(() => {
- splitternode = context.createChannelSplitter(33);
- }, "createChannelSplitter(33)")
- .throw("IndexSizeError");
-
- should(() => {
- splitternode = context.createChannelSplitter(32);
- }, "splitternode = context.createChannelSplitter(32)")
- .notThrow();
-
- should(splitternode.numberOfOutputs,
- "splitternode.numberOfOutputs")
- .beEqualTo(32);
- should(splitternode.numberOfInputs,
- "splitternode.numberOfInputs")
- .beEqualTo(1)
-
- should(() => {
- splitternode = context.createChannelSplitter();
- }, "splitternode = context.createChannelSplitter()")
- .notThrow();
-
- should(splitternode.numberOfOutputs,
- "splitternode.numberOfOutputs")
- .beEqualTo(6);
-
- task.done();
-});
-
-audit.define({
- label: "functionality",
- description: "Functionality of ChannelSplitterNode"
-}, function (task, should) {
-
- // Create a stereo buffer, with all +1 values in left channel, all -1 in right channel.
- sourceBuffer = createStereoBufferWithDCOffset(lengthInSampleFrames, sampleRate, 1);
-
- sourceNode = context.createBufferSource();
- sourceNode.buffer = sourceBuffer;
-
- // Create a channel splitter and connect it so that it split the stereo stream into two mono streams.
- channelSplitter = context.createChannelSplitter(2);
- sourceNode.connect(channelSplitter);
-
- // Create a channel merger to merge the output of channel splitter.
- channelMerger = context.createChannelMerger();
- channelMerger.connect(context.destination);
-
- // When merging, exchange channel layout: left->right, right->left
- channelSplitter.connect(channelMerger, 0, 1);
- channelSplitter.connect(channelMerger, 1, 0);
-
- sourceNode.start(0);
-
- context.startRendering()
- .then(buffer => checkResult(buffer, should))
- .then(task.done.bind(task));
-});
-
-audit.run();
-
-</script>
-
-</body>
+ <head>
+ <title>
+ audiochannelsplitter.html
+ </title>
+ <script src="../../resources/testharness.js"></script>
+ <script src="../../resources/testharnessreport.js"></script>
+ <script src="../resources/audit-util.js"></script>
+ <script src="../resources/audit.js"></script>
+ </head>
+ <body>
+ <script id="layout-test-code">
+ let audit = Audit.createTaskRunner();
+
+ let sampleRate = 44100.0;
+ let lengthInSampleFrames = 512;
+
+ let context = 0;
+ let sourceBuffer;
+ let sourceNode;
+ let channelSplitter;
+ let channelMerger;
+
+ function createStereoBufferWithDCOffset(length, sampleRate, offset) {
+ let buffer = context.createBuffer(2, length, sampleRate);
+ let n = buffer.length;
+ let channelL = buffer.getChannelData(0);
+ let channelR = buffer.getChannelData(1);
+
+ for (let i = 0; i < n; ++i) {
+ channelL[i] = offset;
+ channelR[i] = -1.0 * offset;
+ }
+
+ return buffer;
+ }
+
+ // checkResult() checks that the rendered buffer is stereo and that the
+ // left channel is all -1 and right channel all +1. In other words, we've
+ // reversed the order of the two channels.
+ function checkResult(buffer, should) {
+ let success = true;
+
+ if (buffer.numberOfChannels == 2) {
+ let bufferDataL = buffer.getChannelData(0);
+ let bufferDataR = buffer.getChannelData(1);
+
+ success = should(bufferDataL, 'Left channel').beConstantValueOf(-1) &&
+ success;
+ success = should(bufferDataR, 'Right channel').beConstantValueOf(1) &&
+ success;
+ } else {
+ success = false;
+ }
+
+ should(success, 'Left and right channels were exchanged')
+ .message('correctly', 'incorrectly');
+ }
+
+ audit.define(
+ {
+ label: 'construction',
+ description: 'Construction of ChannelSplitterNode'
+ },
+ function(task, should) {
+
+ // Create stereo offline audio context.
+ context =
+ new OfflineAudioContext(2, lengthInSampleFrames, sampleRate);
+
+ let splitternode;
+ should(() => {
+ let splitternode = context.createChannelSplitter(0);
+ }, 'createChannelSplitter(0)').throw('IndexSizeError');
+
+ should(() => {
+ splitternode = context.createChannelSplitter(33);
+ }, 'createChannelSplitter(33)').throw('IndexSizeError');
+
+ should(() => {
+ splitternode = context.createChannelSplitter(32);
+ }, 'splitternode = context.createChannelSplitter(32)').notThrow();
+
+ should(splitternode.numberOfOutputs, 'splitternode.numberOfOutputs')
+ .beEqualTo(32);
+ should(splitternode.numberOfInputs, 'splitternode.numberOfInputs')
+ .beEqualTo(1)
+
+ should(() => {
+ splitternode = context.createChannelSplitter();
+ }, 'splitternode = context.createChannelSplitter()').notThrow();
+
+ should(splitternode.numberOfOutputs, 'splitternode.numberOfOutputs')
+ .beEqualTo(6);
+
+ task.done();
+ });
+
+ audit.define(
+ {
+ label: 'functionality',
+ description: 'Functionality of ChannelSplitterNode'
+ },
+ function(task, should) {
+
+ // Create a stereo buffer, with all +1 values in left channel, all
+ // -1 in right channel.
+ sourceBuffer = createStereoBufferWithDCOffset(
+ lengthInSampleFrames, sampleRate, 1);
+
+ sourceNode = context.createBufferSource();
+ sourceNode.buffer = sourceBuffer;
+
+ // Create a channel splitter and connect it so that it split the
+ // stereo stream into two mono streams.
+ channelSplitter = context.createChannelSplitter(2);
+ sourceNode.connect(channelSplitter);
+
+ // Create a channel merger to merge the output of channel splitter.
+ channelMerger = context.createChannelMerger();
+ channelMerger.connect(context.destination);
+
+ // When merging, exchange channel layout: left->right, right->left
+ channelSplitter.connect(channelMerger, 0, 1);
+ channelSplitter.connect(channelMerger, 1, 0);
+
+ sourceNode.start(0);
+
+ context.startRendering()
+ .then(buffer => checkResult(buffer, should))
+ .then(task.done.bind(task));
+ });
+
+ audit.run();
+ </script>
+ </body>
</html>
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