| <!DOCTYPE html> |
| <html> |
| <head> |
| <title> |
| Test Basic BiquadFilterNode Properties |
| </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 = 48000; |
| let testFrames = 100; |
| |
| // Global context that can be used by the individual tasks. It must be |
| // defined by the initialize task. |
| let context; |
| |
| let audit = Audit.createTaskRunner(); |
| |
| audit.define('initialize', (task, should) => { |
| should(() => { |
| context = new OfflineAudioContext(1, testFrames, sampleRate); |
| }, 'Initialize context for testing').notThrow(); |
| task.done(); |
| }); |
| |
| audit.define('existence', (task, should) => { |
| should(context.createBiquadFilter, 'context.createBiquadFilter') |
| .exist(); |
| task.done(); |
| }); |
| |
| audit.define('parameters', (task, should) => { |
| // Create a really simple IIR filter. Doesn't much matter what. |
| let coef = Float32Array.from([1]); |
| |
| let f = context.createBiquadFilter(coef, coef); |
| |
| should(f.numberOfInputs, 'numberOfInputs').beEqualTo(1); |
| should(f.numberOfOutputs, 'numberOfOutputs').beEqualTo(1); |
| should(f.channelCountMode, 'channelCountMode').beEqualTo('max'); |
| should(f.channelInterpretation, 'channelInterpretation') |
| .beEqualTo('speakers'); |
| |
| task.done(); |
| }); |
| |
| audit.define('exceptions-createBiquadFilter', (task, should) => { |
| should(function() { |
| // Two args are required. |
| context.createBiquadFilter(); |
| }, 'createBiquadFilter()').notThrow(); |
| |
| task.done(); |
| }); |
| |
| audit.define('exceptions-getFrequencyData', (task, should) => { |
| // Create a really simple IIR filter. Doesn't much matter what. |
| let coef = Float32Array.from([1]); |
| |
| let f = context.createBiquadFilter(coef, coef); |
| |
| should( |
| function() { |
| // frequencyHz can't be null. |
| f.getFrequencyResponse( |
| null, new Float32Array(1), new Float32Array(1)); |
| }, |
| 'getFrequencyResponse(' + |
| 'null, ' + |
| 'new Float32Array(1), ' + |
| 'new Float32Array(1))') |
| .throw(TypeError); |
| |
| should( |
| function() { |
| // magResponse can't be null. |
| f.getFrequencyResponse( |
| new Float32Array(1), null, new Float32Array(1)); |
| }, |
| 'getFrequencyResponse(' + |
| 'new Float32Array(1), ' + |
| 'null, ' + |
| 'new Float32Array(1))') |
| .throw(TypeError); |
| |
| should( |
| function() { |
| // phaseResponse can't be null. |
| f.getFrequencyResponse( |
| new Float32Array(1), new Float32Array(1), null); |
| }, |
| 'getFrequencyResponse(' + |
| 'new Float32Array(1), ' + |
| 'new Float32Array(1), ' + |
| 'null)') |
| .throw(TypeError); |
| |
| should( |
| function() { |
| // magResponse array must the same length as frequencyHz |
| f.getFrequencyResponse( |
| new Float32Array(10), new Float32Array(1), |
| new Float32Array(20)); |
| }, |
| 'getFrequencyResponse(' + |
| 'new Float32Array(10), ' + |
| 'new Float32Array(1), ' + |
| 'new Float32Array(20))') |
| .throw(DOMException, 'InvalidAccessError'); |
| |
| should( |
| function() { |
| // phaseResponse array must be the same length as frequencyHz |
| f.getFrequencyResponse( |
| new Float32Array(10), new Float32Array(20), |
| new Float32Array(1)); |
| }, |
| 'getFrequencyResponse(' + |
| 'new Float32Array(10), ' + |
| 'new Float32Array(20), ' + |
| 'new Float32Array(1))') |
| .throw(DOMException, 'InvalidAccessError'); |
| |
| task.done(); |
| }); |
| |
| audit.run(); |
| </script> |
| </body> |
| </html> |
