| <!DOCTYPE html> |
| <html> |
| <head> |
| <title> |
| Test Constructor: AudioBufferSource |
| </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/audionodeoptions.js"></script> |
| </head> |
| <body> |
| <script id="layout-test-code"> |
| let context; |
| |
| let audit = Audit.createTaskRunner(); |
| |
| audit.define('initialize', (task, should) => { |
| context = initializeContext(should); |
| task.done(); |
| }); |
| |
| audit.define('invalid constructor', (task, should) => { |
| testInvalidConstructor(should, 'AudioBufferSourceNode', context); |
| task.done(); |
| }); |
| |
| audit.define('default constructor', (task, should) => { |
| let prefix = 'node0'; |
| let node = |
| testDefaultConstructor(should, 'AudioBufferSourceNode', context, { |
| prefix: prefix, |
| numberOfInputs: 0, |
| numberOfOutputs: 1, |
| channelCount: 2, |
| channelCountMode: 'max', |
| channelInterpretation: 'speakers' |
| }); |
| |
| testDefaultAttributes(should, node, prefix, [ |
| {name: 'buffer', value: null}, |
| {name: 'detune', value: 0}, |
| {name: 'loop', value: false}, |
| {name: 'loopEnd', value: 0.0}, |
| {name: 'loopStart', value: 0.0}, |
| {name: 'playbackRate', value: 1.0}, |
| ]); |
| |
| task.done(); |
| }); |
| |
| audit.define('nullable buffer', (task, should) => { |
| let node; |
| let options = {buffer: null}; |
| |
| should( |
| () => { |
| node = new AudioBufferSourceNode(context, options); |
| }, |
| 'node1 = new AudioBufferSourceNode(c, ' + JSON.stringify(options)) |
| .notThrow(); |
| |
| should(node.buffer, 'node1.buffer').beEqualTo(null); |
| |
| task.done(); |
| }); |
| |
| audit.define('constructor options', (task, should) => { |
| let node; |
| let buffer = context.createBuffer(2, 1000, context.sampleRate); |
| |
| let options = { |
| buffer: buffer, |
| detune: .5, |
| loop: true, |
| loopEnd: (buffer.length / 2) / context.sampleRate, |
| loopStart: 5 / context.sampleRate, |
| playbackRate: .75 |
| }; |
| |
| let message = 'node = new AudioBufferSourceNode(c, ' + |
| JSON.stringify(options) + ')'; |
| |
| should(() => { |
| node = new AudioBufferSourceNode(context, options); |
| }, message).notThrow(); |
| |
| // Use the factory method to create an equivalent node and compare the |
| // results from the constructor against this node. |
| let factoryNode = context.createBufferSource(); |
| factoryNode.buffer = options.buffer; |
| factoryNode.detune.value = options.detune; |
| factoryNode.loop = options.loop; |
| factoryNode.loopEnd = options.loopEnd; |
| factoryNode.loopStart = options.loopStart; |
| factoryNode.playbackRate.value = options.playbackRate; |
| |
| should(node.buffer === buffer, 'node2.buffer === buffer') |
| .beEqualTo(true); |
| should(node.detune.value, 'node2.detune.value') |
| .beEqualTo(factoryNode.detune.value); |
| should(node.loop, 'node2.loop').beEqualTo(factoryNode.loop); |
| should(node.loopEnd, 'node2.loopEnd').beEqualTo(factoryNode.loopEnd); |
| should(node.loopStart, 'node2.loopStart') |
| .beEqualTo(factoryNode.loopStart); |
| should(node.playbackRate.value, 'node2.playbackRate.value') |
| .beEqualTo(factoryNode.playbackRate.value); |
| |
| task.done(); |
| }); |
| |
| audit.run(); |
| </script> |
| </body> |
| </html> |
