| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <script src="../resources/js-test.js"></script> |
| <script src="resources/audio-testing.js"></script> |
| <script src="resources/audiobuffersource-testing.js"></script> |
| </head> |
| |
| <body> |
| |
| <div id="description"></div> |
| <div id="console"></div> |
| |
| <script> |
| description("Tests that AnalyserNode validates minDecibels, maxDecibels and smoothingTimeConstant values."); |
| |
| var analyser; |
| |
| function runTest() { |
| window.jsTestIsAsync = true; |
| |
| var sampleRate = 44100.0; |
| var numberOfFrames = 32; |
| var context = new OfflineAudioContext(1, numberOfFrames, sampleRate); |
| analyser = context.createAnalyser(); |
| analyser.connect(context.destination); |
| |
| // 'minDecibels' shouldn't be greater than 'maxDecibels' which defaults to -30dB. |
| shouldThrowErrorName("analyser.minDecibels = -20", "IndexSizeError"); |
| shouldThrowErrorName("analyser.minDecibels = NaN", "TypeError"); |
| shouldThrowErrorName("analyser.minDecibels = Infinity", "TypeError"); |
| shouldThrowErrorName("analyser.minDecibels = -Infinity", "TypeError"); |
| |
| // 'maxDecibels' shouldn't be less than 'minDecibels' which defaults to -100dB. |
| shouldThrowErrorName("analyser.maxDecibels = -120", "IndexSizeError"); |
| shouldThrowErrorName("analyser.maxDecibels = NaN", "TypeError"); |
| shouldThrowErrorName("analyser.maxDecibels = Infinity", "TypeError"); |
| shouldThrowErrorName("analyser.maxDecibels = -Infinity", "TypeError"); |
| |
| // 'smoothingTimeConstant' range is between 0 and 1. |
| shouldThrowErrorName("analyser.smoothingTimeConstant = 2", "IndexSizeError"); |
| shouldThrowErrorName("analyser.smoothingTimeConstant = -1", "IndexSizeError"); |
| shouldThrowErrorName("analyser.smoothingTimeConstant = NaN", "TypeError"); |
| shouldThrowErrorName("analyser.smoothingTimeConstant = Infinity", "TypeError"); |
| shouldThrowErrorName("analyser.smoothingTimeConstant = -Infinity", "TypeError"); |
| |
| context.oncomplete = finishJSTest; |
| context.startRendering(); |
| } |
| |
| runTest(); |
| |
| </script> |
| </body> |
| </html> |
