| <!DOCTYPE html> |
| <html> |
| <head> |
| <title> |
| audiobuffer.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 sampleRate = 44100.0 |
| let lengthInSeconds = 2; |
| let numberOfChannels = 4; |
| |
| let audit = Audit.createTaskRunner(); |
| |
| audit.define('Basic tests for AudioBuffer', function(task, should) { |
| let context = new AudioContext(); |
| let buffer = context.createBuffer( |
| numberOfChannels, sampleRate * lengthInSeconds, sampleRate); |
| |
| // Just for printing out a message describing what "buffer" is in the |
| // following tests. |
| should( |
| true, |
| 'buffer = context.createBuffer(' + numberOfChannels + ', ' + |
| (sampleRate * lengthInSeconds) + ', ' + sampleRate + ')') |
| .beTrue(); |
| |
| should(buffer.sampleRate, 'buffer.sampleRate').beEqualTo(sampleRate); |
| |
| should(buffer.length, 'buffer.length') |
| .beEqualTo(sampleRate * lengthInSeconds); |
| |
| should(buffer.duration, 'buffer.duration').beEqualTo(lengthInSeconds); |
| |
| should(buffer.numberOfChannels, 'buffer.numberOfChannels') |
| .beEqualTo(numberOfChannels); |
| |
| for (let index = 0; index < buffer.numberOfChannels; ++index) { |
| should( |
| buffer.getChannelData(index) instanceof window.Float32Array, |
| 'buffer.getChannelData(' + index + |
| ') instanceof window.Float32Array') |
| .beTrue(); |
| } |
| |
| should( |
| function() { |
| buffer.getChannelData(buffer.numberOfChannels); |
| }, |
| 'buffer.getChannelData(' + buffer.numberOfChannels + ')') |
| .throw(DOMException, 'IndexSizeError'); |
| |
| let buffer2 = context.createBuffer(1, 1000, 24576); |
| let expectedDuration = 1000 / 24576; |
| |
| should( |
| buffer2.duration, 'context.createBuffer(1, 1000, 24576).duration') |
| .beEqualTo(expectedDuration); |
| |
| task.done(); |
| }); |
| |
| audit.run(); |
| </script> |
| </body> |
| </html> |
