| <!DOCTYPE html> |
| <html> |
| <head> |
| <title> |
| biquadfilternode-basic.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 audit = Audit.createTaskRunner(); |
| |
| audit.define( |
| {label: 'test', description: 'Basic tests for BiquadFilterNode'}, |
| function(task, should) { |
| |
| let context = new AudioContext(); |
| let filter = context.createBiquadFilter(); |
| |
| should(filter.numberOfInputs, 'Number of inputs').beEqualTo(1); |
| |
| should(filter.numberOfOutputs, 'Number of outputs').beEqualTo(1); |
| |
| should(filter.type, 'Default filter type').beEqualTo('lowpass'); |
| |
| should(filter.frequency.value, 'Default frequency value') |
| .beEqualTo(350); |
| |
| should(filter.Q.value, 'Default Q value').beEqualTo(1); |
| |
| should(filter.gain.value, 'Default gain value').beEqualTo(0); |
| |
| // Check that all legal filter types can be set. |
| let filterTypeArray = [ |
| {type: 'lowpass'}, {type: 'highpass'}, {type: 'bandpass'}, |
| {type: 'lowshelf'}, {type: 'highshelf'}, {type: 'peaking'}, |
| {type: 'notch'}, {type: 'allpass'} |
| ]; |
| |
| for (let i = 0; i < filterTypeArray.length; ++i) { |
| should( |
| () => filter.type = filterTypeArray[i].type, |
| 'Setting filter.type to ' + filterTypeArray[i].type) |
| .notThrow(); |
| should(filter.type, 'Filter type is') |
| .beEqualTo(filterTypeArray[i].type); |
| } |
| |
| |
| // Check that numerical values are no longer supported |
| filter.type = 99; |
| should(filter.type, 'Setting filter.type to (invalid) 99') |
| .notBeEqualTo(99); |
| |
| task.done(); |
| }); |
| |
| audit.run(); |
| </script> |
| </body> |
| </html> |
