third_party/WebKit/LayoutTests/webaudio/Analyser/realtimeanalyser-freq-data-smoothing.html - Issue 2595633002: Convert Analyser tests to use testharness

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Issue 2595633002: Convert Analyser tests to use testharness (Closed)

Patch Set: Remove blank line Created 3 years, 12 months ago

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1 <!doctype html>	1 <!doctype html>

2 <html>	2 <html>

3 <head>	3 <head>

4 <script src="../../resources/js-test.js"></script>	4 <script src="../../resources/testharness.js"></script>

	5 <script src="../../resources/testharnessreport.js"></script>

5 <script src="../resources/compatibility.js"></script>	6 <script src="../resources/compatibility.js"></script>

6 <script src="../resources/audit-util.js"></script>	7 <script src="../resources/audit-util.js"></script>

7 <script src="../resources/audio-testing.js"></script>	8 <script src="../resources/audio-testing.js"></script>

8 <script src="../resources/realtimeanalyser-testing.js"></script>	9 <script src="../resources/realtimeanalyser-testing.js"></script>

9 <script src="../resources/fft.js"></script>	10 <script src="../resources/fft.js"></script>

10 <title>Test Analyser getFloatFrequencyData and getByteFrequencyData, Smoothi ng</title>	11 <title>Test Analyser getFloatFrequencyData and getByteFrequencyData, Smoothi ng</title>

11	12

12 </head>	13 </head>

13	14

14 <body>	15 <body>

15 <script>	16 <script>

16 description("Test AnalyserNode getFloatFrequencyData and getByteFrequencyD ata, Smoothing");

17 window.jsTestIsAsync = true;

18

19 // Use a power of two to eliminate any round-off in the computation of the times for	17 // Use a power of two to eliminate any round-off in the computation of the times for

20 // context.suspend().	18 // context.suspend().

21 var sampleRate = 32768;	19 var sampleRate = 32768;

22	20

23 // The largest FFT size for the analyser node is 32768. We want to render longer than this so	21 // The largest FFT size for the analyser node is 32768. We want to render longer than this so

24 // that we have at least one complete buffer of data of 32768 samples.	22 // that we have at least one complete buffer of data of 32768 samples.

25 var renderFrames = 2 * 32768;	23 var renderFrames = 2 * 32768;

26 var renderDuration = renderFrames / sampleRate;	24 var renderDuration = renderFrames / sampleRate;

27	25

28 var audit = Audit.createTaskRunner();	26 var audit = Audit.createTaskRunner();

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110 // Convert the expected float frequency data to byte data.	108 // Convert the expected float frequency data to byte data.

111 var expectedByteData = convertFloatToByte(smoothedFloatResult.map(line arToDb),	109 var expectedByteData = convertFloatToByte(smoothedFloatResult.map(line arToDb),

112 analyser.minDecibels, analyser.maxDecibels);	110 analyser.minDecibels, analyser.maxDecibels);

113	111

114 success = Should(analyser.fftSize + "-point byte FFT", byteFreqData)	112 success = Should(analyser.fftSize + "-point byte FFT", byteFreqData)

115 .beCloseToArray(expectedByteData, 0) && success;	113 .beCloseToArray(expectedByteData, 0) && success;

116	114

117 }).then(context.resume.bind(context));	115 }).then(context.resume.bind(context));

118	116

119 context.startRendering().then(function (buffer) {	117 context.startRendering().then(function (buffer) {

120 var prefix = "FFT smoothing performed ";	118 var prefix = "FFT smoothing performed";

121 var suffix = " with smoothing constant " + analyser.smoothingTimeConst ant + ".\n"	119 var suffix = " with smoothing constant " + analyser.smoothingTimeConst ant;

122	120

123 if (success)	121 Should(prefix, success)

124 testPassed(prefix + "correctly" + suffix);	122 .summarize("correctly" + suffix,

125 else	123 "incorrectly" + suffix);

126 testFailed(prefix + "incorrectly" + suffix);

127 }).then(done);	124 }).then(done);

128 });	125 });

129	126

130 audit.defineTask("finish", function (done) {	127 audit.defineTask("finish", function (done) {

131 finishJSTest();

132 done();	128 done();

133 });	129 });

134	130

135 audit.runTasks();	131 audit.runTasks();

136	132

137 </script>	133 </script>

138 </body>	134 </body>

139 </html>	135 </html>

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