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Unified Diff: third_party/WebKit/LayoutTests/webaudio/Analyser/realtimeanalyser-freq-data.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/Analyser/realtimeanalyser-freq-data.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/Analyser/realtimeanalyser-freq-data.html b/third_party/WebKit/LayoutTests/webaudio/Analyser/realtimeanalyser-freq-data.html
index 1ca96aa25444b9a3dd9a87d36cda613d609565e5..4ea3bb39e527b7caea3e5cc884c75241364a04d2 100644
--- a/third_party/WebKit/LayoutTests/webaudio/Analyser/realtimeanalyser-freq-data.html
+++ b/third_party/WebKit/LayoutTests/webaudio/Analyser/realtimeanalyser-freq-data.html
@@ -1,136 +1,126 @@
-<!doctype html>
+<!DOCTYPE html>
<html>
<head>
+ <title>
+ Test Analyser getFloatFrequencyData and getByteFrequencyData, No
+ Smoothing
+ </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/realtimeanalyser-testing.js"></script>
<script src="../resources/fft.js"></script>
- <title>Test Analyser getFloatFrequencyData and getByteFrequencyData, No Smoothing</title>
</head>
-
<body>
- <script>
- // Use a power of two to eliminate any round-off in the computation of the times for
- // context.suspend().
+ <script id="layout-test-code">
+ // Use a power of two to eliminate any round-off in the computation of the
+ // times for context.suspend().
let sampleRate = 32768;
- // The largest FFT size for the analyser node is 32768. We want to render longer than this so
- // that we have at least one complete buffer of data of 32768 samples.
+ // The largest FFT size for the analyser node is 32768. We want to render
+ // longer than this so that we have at least one complete buffer of data
+ // of 32768 samples.
let renderFrames = 2 * 32768;
let renderDuration = renderFrames / sampleRate;
let audit = Audit.createTaskRunner();
- // Options for basic tests of the AnalyserNode frequency domain data. The thresholds are
- // experimentally determined.
- let testConfig = [{
- order: 5,
- // For this order, need to specify a higher minDecibels value for the analyser because the
- // FFT doesn't get that small. This allows us to test that (a changed) minDecibels has an
- // effect and that we properly clip the byte data.
- minDecibels: -50,
- floatRelError: 9.6549e-7,
- }, {
- order: 6,
- floatRelError: 6.8366e-6
- }, {
- order: 7,
- floatRelError: 1.4602e-6
- }, {
- order: 8,
- floatRelError: 8.4828e-7
- }, {
- order: 9,
- floatRelError: 2.3906e-5
- }, {
- order: 10,
- floatRelError: 2.0483e-5
- }, {
- order: 11,
- floatRelError: 1.3456e-5
- }, {
- order: 12,
- floatRelError: 4.6116e-7
- }, {
- order: 13,
- floatRelError: 3.2106e-7
- }, {
- order: 14,
- floatRelError: 1.1756e-7
- }, {
- order: 15,
- floatRelError: 1.1756e-7
- }];
+ // Options for basic tests of the AnalyserNode frequency domain data. The
+ // thresholds are experimentally determined.
+ let testConfig = [
+ {
+ order: 5,
+ // For this order, need to specify a higher minDecibels value for the
+ // analyser because the FFT doesn't get that small. This allows us to
+ // test that (a changed) minDecibels has an effect and that we
+ // properly clip the byte data.
+ minDecibels: -50,
+ floatRelError: 9.6549e-7,
+ },
+ {order: 6, floatRelError: 6.8366e-6},
+ {order: 7, floatRelError: 1.4602e-6},
+ {order: 8, floatRelError: 8.4828e-7},
+ {order: 9, floatRelError: 2.3906e-5},
+ {order: 10, floatRelError: 2.0483e-5},
+ {order: 11, floatRelError: 1.3456e-5},
+ {order: 12, floatRelError: 4.6116e-7},
+ {order: 13, floatRelError: 3.2106e-7},
+ {order: 14, floatRelError: 1.1756e-7},
+ {order: 15, floatRelError: 1.1756e-7}
+ ];
// True if all of the basic tests passed.
let basicTestsPassed = true;
// Generate tests for each entry in testConfig.
for (let k = 0; k < testConfig.length; ++k) {
- let name = testConfig[k].order + "-order FFT";
- (function (config) {
- audit.define(name, (task, should) => {
- basicFFTTest(should, config).then(() => task.done());
- });
+ let name = testConfig[k].order + '-order FFT';
+ (function(config) {
+ audit.define(name, (task, should) => {
+ basicFFTTest(should, config).then(() => task.done());
+ });
})(testConfig[k]);
}
- // Test that smoothing isn't done and we have the expected data, calling getFloatFrequencyData
- // twice at different times.
- audit.define("no smoothing", (task, should) => {
- // Use 128-point FFT for the test. The actual order doesn't matter (but the error threshold
- // depends on the order).
- let options = {
- order: 7,
- smoothing: 0,
- floatRelError: 1.2548e-6
- };
+ // Test that smoothing isn't done and we have the expected data, calling
+ // getFloatFrequencyData twice at different times.
+ audit.define('no smoothing', (task, should) => {
+ // Use 128-point FFT for the test. The actual order doesn't matter (but
+ // the error threshold depends on the order).
+ let options = {order: 7, smoothing: 0, floatRelError: 1.2548e-6};
let graph = createGraph(options);
let context = graph.context;
let analyser = graph.analyser;
- // Be sure to suspend after the analyser fftSize so we get a full buffer of data. We will
- // grab the FFT data to prime the pump for smoothing. We don't need to check the results
- // (because this is tested above in the basicFFTTests).
+ // Be sure to suspend after the analyser fftSize so we get a full buffer
+ // of data. We will grab the FFT data to prime the pump for smoothing.
+ // We don't need to check the results (because this is tested above in
+ // the basicFFTTests).
let suspendFrame = Math.max(128, analyser.fftSize);
- context.suspend(suspendFrame / sampleRate).then(function () {
- // Grab the time and frequency data. But we don't care what values we get now; we just
- // want to prime the analyser.
- let freqData = new Float32Array(analyser.frequencyBinCount);
-
- // Grab the frequency domain data
- analyser.getFloatFrequencyData(freqData);
- }).then(context.resume.bind(context));
-
- // Grab another set of data after one rendering quantum. We will test this to make sure
- // smoothing was not done.
+ context.suspend(suspendFrame / sampleRate)
+ .then(function() {
+ // Grab the time and frequency data. But we don't care what
+ // values we get now; we just want to prime the analyser.
+ let freqData = new Float32Array(analyser.frequencyBinCount);
+
+ // Grab the frequency domain data
+ analyser.getFloatFrequencyData(freqData);
+ })
+ .then(context.resume.bind(context));
+
+ // Grab another set of data after one rendering quantum. We will test
+ // this to make sure smoothing was not done.
suspendFrame += 128;
- context.suspend(suspendFrame / sampleRate).then(function () {
- let timeData = new Float32Array(analyser.fftSize);
- let freqData = new Float32Array(analyser.frequencyBinCount);
-
- // Grab the time domain and frequency domain data
- analyser.getFloatTimeDomainData(timeData);
- analyser.getFloatFrequencyData(freqData);
-
- let expected = computeFFTMagnitude(timeData, options.order).map(linearToDb);
- let comparison = compareFloatFreq(Math.pow(2, options.order) + "-point float FFT",
- freqData, expected, should, options);
- basicTestsPassed = basicTestsPassed && comparison.success;
- }).then(context.resume.bind(context));
+ context.suspend(suspendFrame / sampleRate)
+ .then(function() {
+ let timeData = new Float32Array(analyser.fftSize);
+ let freqData = new Float32Array(analyser.frequencyBinCount);
+
+ // Grab the time domain and frequency domain data
+ analyser.getFloatTimeDomainData(timeData);
+ analyser.getFloatFrequencyData(freqData);
+
+ let expected =
+ computeFFTMagnitude(timeData, options.order).map(linearToDb);
+ let comparison = compareFloatFreq(
+ Math.pow(2, options.order) + '-point float FFT', freqData,
+ expected, should, options);
+ basicTestsPassed = basicTestsPassed && comparison.success;
+ })
+ .then(context.resume.bind(context));
context.startRendering().then(() => task.done());
});
audit.run();
- // Run a simple test of the AnalyserNode's frequency domain data. Both the float and byte
- // frequency data are tested. The byte tests depend on the float tests being correct.
+ // Run a simple test of the AnalyserNode's frequency domain data. Both
+ // the float and byte frequency data are tested. The byte tests depend on
+ // the float tests being correct.
//
- // The parameters of the test are given by |options| which is a property bag consisting of the
- // following:
+ // The parameters of the test are given by |options| which is a property
+ // bag consisting of the following:
//
// order: Order of the FFT to test.
// smoothing: smoothing time constant for the analyser.
@@ -142,45 +132,48 @@
let analyser = graph.analyser;
let suspendTime = Math.max(128, analyser.fftSize) / sampleRate;
- context.suspend(suspendTime).then(function () {
- let timeData = new Float32Array(analyser.fftSize);
- let freqData = new Float32Array(analyser.frequencyBinCount);
-
- // Grab the time domain and frequency domain data
- analyser.getFloatTimeDomainData(timeData);
- analyser.getFloatFrequencyData(freqData);
-
- let expected = computeFFTMagnitude(timeData, options.order).map(linearToDb);
- let comparison = compareFloatFreq(Math.pow(2, options.order) + "-point float FFT",
- freqData, expected, should, options);
- basicTestsPassed = basicTestsPassed && comparison.success;
- expected = comparison.expected;
-
- // For the byte test to be better, check that there are some samples that are outside the
- // range of minDecibels and maxDecibels. If there aren't the test should update the
- // minDecibels and maxDecibels values for the analyser.
-
- let minValue = Math.min(...expected);
- let maxValue = Math.max(...expected);
-
- should(minValue, "Order: " + options.order +
- ": Min FFT value")
- .beLessThanOrEqualTo(analyser.minDecibels);
- should(maxValue, "Order: " + options.order +
- ": Max FFT value")
- .beGreaterThanOrEqualTo(analyser.maxDecibels);
- // Test the byte frequency data.
- let byteFreqData = new Uint8Array(analyser.frequencyBinCount);
- analyser.getByteFrequencyData(byteFreqData);
-
- // Convert the expected float frequency data to byte data.
- let expectedByteData = convertFloatToByte(expected, analyser.minDecibels,
- analyser.maxDecibels);
-
- should(byteFreqData, analyser.fftSize + "-point byte FFT")
- .beCloseToArray(expectedByteData, 0);
-
- }).then(context.resume.bind(context));
+ context.suspend(suspendTime)
+ .then(function() {
+ let timeData = new Float32Array(analyser.fftSize);
+ let freqData = new Float32Array(analyser.frequencyBinCount);
+
+ // Grab the time domain and frequency domain data
+ analyser.getFloatTimeDomainData(timeData);
+ analyser.getFloatFrequencyData(freqData);
+
+ let expected =
+ computeFFTMagnitude(timeData, options.order).map(linearToDb);
+ let comparison = compareFloatFreq(
+ Math.pow(2, options.order) + '-point float FFT', freqData,
+ expected, should, options);
+ basicTestsPassed = basicTestsPassed && comparison.success;
+ expected = comparison.expected;
+
+ // For the byte test to be better, check that there are some
+ // samples that are outside the range of minDecibels and
+ // maxDecibels. If there aren't the test should update the
+ // minDecibels and maxDecibels values for the analyser.
+
+ let minValue = Math.min(...expected);
+ let maxValue = Math.max(...expected);
+
+ should(minValue, 'Order: ' + options.order + ': Min FFT value')
+ .beLessThanOrEqualTo(analyser.minDecibels);
+ should(maxValue, 'Order: ' + options.order + ': Max FFT value')
+ .beGreaterThanOrEqualTo(analyser.maxDecibels);
+ // Test the byte frequency data.
+ let byteFreqData = new Uint8Array(analyser.frequencyBinCount);
+ analyser.getByteFrequencyData(byteFreqData);
+
+ // Convert the expected float frequency data to byte data.
+ let expectedByteData = convertFloatToByte(
+ expected, analyser.minDecibels, analyser.maxDecibels);
+
+ should(byteFreqData, analyser.fftSize + '-point byte FFT')
+ .beCloseToArray(expectedByteData, 0);
+
+ })
+ .then(context.resume.bind(context));
return context.startRendering();
}

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