test_waveShaperNoCurve.html (1077B)
1 <!DOCTYPE HTML> 2 <html> 3 <head> 4 <title>Test WaveShaperNode with no curve</title> 5 <script src="/tests/SimpleTest/SimpleTest.js"></script> 6 <script type="text/javascript" src="webaudio.js"></script> 7 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> 8 </head> 9 <body> 10 <pre id="test"> 11 <script class="testbody" type="text/javascript"> 12 13 var gTest = { 14 length: 2048, 15 numberOfChannels: 1, 16 createGraph(context) { 17 var source = context.createBufferSource(); 18 source.buffer = this.buffer; 19 20 var shaper = context.createWaveShaper(); 21 is(shaper.curve, null, "The shaper curve must be null by default"); 22 23 source.connect(shaper); 24 25 source.start(0); 26 return shaper; 27 }, 28 createExpectedBuffers(context) { 29 var expectedBuffer = context.createBuffer(1, 2048, context.sampleRate); 30 for (var i = 0; i < 2048; ++i) { 31 expectedBuffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate); 32 } 33 this.buffer = expectedBuffer; 34 return expectedBuffer; 35 }, 36 }; 37 38 runTest(); 39 40 </script> 41 </pre> 42 </body> 43 </html>