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Diffstat (limited to 'testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/test-analysernode.html')
| -rw-r--r-- | testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/test-analysernode.html | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/test-analysernode.html b/testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/test-analysernode.html new file mode 100644 index 0000000000..e8325388d1 --- /dev/null +++ b/testing/web-platform/tests/webaudio/the-audio-api/the-analysernode-interface/test-analysernode.html @@ -0,0 +1,237 @@ +<!DOCTYPE html> +<html> +<head> + <meta charset="utf-8"> + <script src="/resources/testharness.js"></script> + <script src="/resources/testharnessreport.js"></script> + <script> + function testNode() { + var context = new AudioContext(); + var buffer = context.createBuffer(1, 2048, context.sampleRate); + for (var i = 0; i < 2048; ++i) { + buffer.getChannelData(0)[i] = Math.sin( + 440 * 2 * Math.PI * i / context.sampleRate + ); + } + + var destination = context.destination; + + var source = context.createBufferSource(); + + var analyser = context.createAnalyser(); + + source.buffer = buffer; + + source.connect(analyser); + analyser.connect(destination); + + assert_equals( + analyser.channelCount, + 2, + "analyser node has 2 input channels by default" + ); + assert_equals( + analyser.channelCountMode, + "max", + "Correct channelCountMode for the analyser node" + ); + assert_equals( + analyser.channelInterpretation, + "speakers", + "Correct channelCountInterpretation for the analyser node" + ); + + assert_equals( + analyser.fftSize, + 2048, + "Correct default value for fftSize" + ); + assert_equals( + analyser.frequencyBinCount, + 1024, + "Correct default value for frequencyBinCount" + ); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser.fftSize = 0; + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser.fftSize = 1; + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser.fftSize = 8; + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser.fftSize = 100; + }); // non-power of two + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser.fftSize = 2049; + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser.fftSize = 4097; + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser.fftSize = 8193; + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser.fftSize = 16385; + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser.fftSize = 32769; + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser.fftSize = 65536; + }); + analyser.fftSize = 1024; + assert_equals( + analyser.frequencyBinCount, + 512, + "Correct new value for frequencyBinCount" + ); + + assert_equals( + analyser.minDecibels, + -100, + "Correct default value for minDecibels" + ); + assert_equals( + analyser.maxDecibels, + -30, + "Correct default value for maxDecibels" + ); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser.minDecibels = -30; + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser.minDecibels = -29; + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser.maxDecibels = -100; + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser.maxDecibels = -101; + }); + + assert_true( + Math.abs(analyser.smoothingTimeConstant - 0.8) < 0.001, + "Correct default value for smoothingTimeConstant" + ); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser.smoothingTimeConstant = -0.1; + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser.smoothingTimeConstant = 1.1; + }); + analyser.smoothingTimeConstant = 0; + analyser.smoothingTimeConstant = 1; + } + + function testConstructor() { + var context = new AudioContext(); + + var analyser = new AnalyserNode(context); + assert_equals( + analyser.channelCount, + 2, + "analyser node has 2 input channels by default" + ); + assert_equals( + analyser.channelCountMode, + "max", + "Correct channelCountMode for the analyser node" + ); + assert_equals( + analyser.channelInterpretation, + "speakers", + "Correct channelCountInterpretation for the analyser node" + ); + + assert_equals( + analyser.fftSize, + 2048, + "Correct default value for fftSize" + ); + assert_equals( + analyser.frequencyBinCount, + 1024, + "Correct default value for frequencyBinCount" + ); + assert_equals( + analyser.minDecibels, + -100, + "Correct default value for minDecibels" + ); + assert_equals( + analyser.maxDecibels, + -30, + "Correct default value for maxDecibels" + ); + assert_true( + Math.abs(analyser.smoothingTimeConstant - 0.8) < 0.001, + "Correct default value for smoothingTimeConstant" + ); + + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser = new AnalyserNode(context, { fftSize: 0 }); + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser = new AnalyserNode(context, { fftSize: 1 }); + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser = new AnalyserNode(context, { fftSize: 8 }); + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser = new AnalyserNode(context, { fftSize: 100 }); + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser = new AnalyserNode(context, { fftSize: 2049 }); + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser = new AnalyserNode(context, { fftSize: 4097 }); + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser = new AnalyserNode(context, { fftSize: 8193 }); + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser = new AnalyserNode(context, { fftSize: 16385 }); + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser = new AnalyserNode(context, { fftSize: 32769 }); + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser = new AnalyserNode(context, { fftSize: 65536 }); + }); + analyser = new AnalyserNode(context, { fftSize: 1024 }); + assert_equals( + analyser.frequencyBinCount, + 512, + "Correct new value for frequencyBinCount" + ); + + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser = new AnalyserNode(context, { minDecibels: -30 }); + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser = new AnalyserNode(context, { minDecibels: -29 }); + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser = new AnalyserNode(context, { maxDecibels: -100 }); + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser = new AnalyserNode(context, { maxDecibels: -101 }); + }); + + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser = new AnalyserNode(context, { smoothingTimeConstant: -0.1 }); + }); + assert_throws_dom("INDEX_SIZE_ERR", function() { + analyser = new AnalyserNode(context, { smoothingTimeConstant: -1.1 }); + }); + analyser = new AnalyserNode(context, { smoothingTimeConstant: 0 }); + analyser = new AnalyserNode(context, { smoothingTimeConstant: 1 }); + } + test(testNode, "Test AnalyserNode API"); + test(testConstructor, "Test AnalyserNode's ctor API"); + </script> +</head> +</body> +</html> |