| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <script src="../resources/js-test.js"></script> |
| <script src="resources/audio-testing.js"></script> |
| <script src="resources/delay-testing.js"></script> |
| </head> |
| |
| <body> |
| |
| <div id="description"></div> |
| <div id="console"></div> |
| |
| <script> |
| description("Tests attribute and maximum allowed delay of DelayNode."); |
| |
| function runTest() { |
| window.jsTestIsAsync = true; |
| |
| // Create offline audio context. |
| var context = new OfflineAudioContext(1, sampleRate * renderLengthSeconds, sampleRate); |
| var toneBuffer = createToneBuffer(context, 20, 20 * toneLengthSeconds, sampleRate); // 20Hz tone |
| |
| var bufferSource = context.createBufferSource(); |
| bufferSource.buffer = toneBuffer; |
| |
| window.context = context; |
| shouldThrow("context.createDelay(180)"); |
| shouldThrow("context.createDelay(0)"); |
| shouldThrow("context.createDelay(-1)"); |
| |
| var delay = context.createDelay(179); |
| delay.delayTime.value = delayTimeSeconds; |
| window.delay = delay; |
| shouldBeTrue("delay.delayTime.value === 0.5"); |
| |
| bufferSource.connect(delay); |
| delay.connect(context.destination); |
| bufferSource.start(0); |
| |
| context.oncomplete = checkDelayedResult(toneBuffer); |
| context.startRendering(); |
| } |
| |
| runTest(); |
| |
| </script> |
| </body> |
| </html> |
