| <!DOCTYPE html> |
| <html> |
| <head> |
| <title> |
| delaynode.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> |
| <script src="/webaudio/resources/delay-testing.js"></script> |
| </head> |
| <body> |
| <script id="layout-test-code"> |
| let audit = Audit.createTaskRunner(); |
| |
| audit.define( |
| { |
| label: 'test', |
| description: 'Tests attribute and basic functionality of DelayNode' |
| }, |
| function(task, should) { |
| |
| // Create offline audio context. |
| let context = new OfflineAudioContext( |
| 1, sampleRate * renderLengthSeconds, sampleRate); |
| let toneBuffer = createToneBuffer( |
| context, 20, 20 * toneLengthSeconds, sampleRate); // 20Hz tone |
| |
| let bufferSource = context.createBufferSource(); |
| bufferSource.buffer = toneBuffer; |
| |
| let delay = context.createDelay(); |
| |
| window.delay = delay; |
| should(delay.numberOfInputs, 'delay.numberOfInputs').beEqualTo(1); |
| should(delay.numberOfOutputs, 'delay.numberOfOutputs').beEqualTo(1); |
| should(delay.delayTime.defaultValue, 'delay.delayTime.defaultValue') |
| .beEqualTo(0.0); |
| should(delay.delayTime.value, 'delay.delayTime.value') |
| .beEqualTo(0.0); |
| |
| delay.delayTime.value = delayTimeSeconds; |
| should( |
| delay.delayTime.value, |
| 'delay.delayTime.value = ' + delayTimeSeconds) |
| .beEqualTo(delayTimeSeconds); |
| |
| bufferSource.connect(delay); |
| delay.connect(context.destination); |
| bufferSource.start(0); |
| |
| context.startRendering() |
| .then(buffer => checkDelayedResult(buffer, toneBuffer, should)) |
| .then(task.done.bind(task)); |
| }); |
| |
| audit.run(); |
| </script> |
| </body> |
| </html> |
