| <!DOCTYPE html> |
| <html> |
| <head> |
| <title> |
| scriptprocessornode-zero-input-channels.html |
| </title> |
| <script src="../../imported/w3c/web-platform-tests/resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script src="../resources/audit-util.js"></script> |
| <script src="../resources/audit.js"></script> |
| </head> |
| <body> |
| <script id="layout-test-code"> |
| let audit = Audit.createTaskRunner(); |
| |
| let sampleRate = 44100.0; |
| let renderLengthInFrames = 512; |
| let bufferSize = 512; |
| |
| audit.define( |
| { |
| label: 'test', |
| description: |
| 'Tests that ScriptProcessorNode accepts 0 input channels' |
| }, |
| (task, should) => { |
| let context = |
| new OfflineAudioContext(1, renderLengthInFrames, sampleRate); |
| |
| let node; |
| |
| should( |
| () => { |
| node = context.createScriptProcessor(bufferSize, 0, 1); |
| }, |
| 'node = context.createScriptProcessor(bufferSize, 0, 1)') |
| .notThrow(); |
| let source = context.createBufferSource(); |
| source.buffer = createImpulseBuffer(context, bufferSize); |
| |
| // The onaudioprocess function doesn't need to do anything. We just |
| // need the process to start to test that implementation accepts 0 |
| // input channels. |
| // |
| // FIXME: check the .inputBuffer attribute of the |
| // AudioProcessingEvent. |
| node.onaudioprocess = function(e) {}; |
| source.connect(node); |
| node.connect(context.destination); |
| source.start(0); |
| |
| context.oncomplete = event => { |
| should(true, 'ScriptProcessorNode accepts 0 input channels') |
| .beTrue(); |
| task.done(); |
| }; |
| |
| context.startRendering(); |
| }); |
| |
| audit.run(); |
| </script> |
| </body> |
| </html> |
