| <!DOCTYPE html> |
| <html> |
| <head> |
| <title> |
| realtimeanalyser-fft-sizing.html |
| </title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/webaudio/resources/audit-util.js"></script> |
| <script src="/webaudio/resources/audit.js"></script> |
| </head> |
| <body> |
| <script id="layout-test-code"> |
| let audit = Audit.createTaskRunner(); |
| |
| function doTest(fftSize, illegal, should) { |
| let c = new OfflineAudioContext(1, 1000, 44100); |
| let a = c.createAnalyser(); |
| let message = 'Setting fftSize to ' + fftSize; |
| let tester = function() { |
| a.fftSize = fftSize; |
| }; |
| |
| if (illegal) { |
| should(tester, message).throw(DOMException, 'IndexSizeError'); |
| } else { |
| should(tester, message).notThrow(); |
| } |
| } |
| |
| audit.define( |
| { |
| label: 'FFT size test', |
| description: 'Test that re-sizing the FFT arrays does not fail.' |
| }, |
| function(task, should) { |
| doTest(-1, true, should); |
| doTest(0, true, should); |
| doTest(1, true, should); |
| for (let i = 2; i <= 0x20000; i *= 2) { |
| if (i >= 32 && i <= 32768) |
| doTest(i, false, should); |
| else |
| doTest(i, true, should); |
| doTest(i + 1, true, should); |
| } |
| |
| task.done(); |
| }); |
| |
| audit.run(); |
| </script> |
| </body> |
| </html> |
