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| 1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> | 1 <!DOCTYPE html> |
| 2 <html> | 2 <html> |
| 3 <head> | 3 <head> |
| 4 <script src="../../resources/testharness.js"></script> | 4 <title> |
| 5 <script src="../../resources/testharnessreport.js"></script> | 5 audioparam-setValueAtTime.html |
| 6 <script src="../resources/audit-util.js"></script> | 6 </title> |
| 7 <script src="../resources/audit.js"></script> | 7 <script src="../../resources/testharness.js"></script> |
| 8 <script src="../resources/audioparam-testing.js"></script> | 8 <script src="../../resources/testharnessreport.js"></script> |
| 9 </head> | 9 <script src="../resources/audit-util.js"></script> |
| 10 <script src="../resources/audit.js"></script> |
| 11 <script src="../resources/audioparam-testing.js"></script> |
| 12 </head> |
| 13 <body> |
| 14 <script id="layout-test-code"> |
| 15 let audit = Audit.createTaskRunner(); |
| 10 | 16 |
| 11 <body> | 17 // Play a long DC signal out through an AudioGainNode, and call |
| 12 <script> | 18 // setValueAtTime() at regular intervals to set the value for the duration |
| 13 let audit = Audit.createTaskRunner(); | 19 // of the interval. Each time interval has different value so that there |
| 20 // is a discontinuity at each time interval boundary. The discontinuity |
| 21 // is for testing timing. |
| 14 | 22 |
| 15 // Play a long DC signal out through an AudioGainNode, and call setValueAtTime() | 23 // Number of tests to run. |
| 16 // at regular intervals to set the value for the duration of the interval. Each | 24 let numberOfTests = 100; |
| 17 // time interval has different value so that there is a discontinuity at each | |
| 18 // time interval boundary. The discontinuity is for testing timing. | |
| 19 | 25 |
| 20 // Number of tests to run. | 26 // Max allowed difference between the rendered data and the expected |
| 21 let numberOfTests = 100; | 27 // result. |
| 28 let maxAllowedError = 6e-8; |
| 22 | 29 |
| 23 // Max allowed difference between the rendered data and the expected result. | 30 // Set the gain node value to the specified value at the specified time. |
| 24 let maxAllowedError = 6e-8; | 31 function setValue(value, time) { |
| 32 gainNode.gain.setValueAtTime(value, time); |
| 33 } |
| 25 | 34 |
| 26 // Set the gain node value to the specified value at the specified time. | 35 // For testing setValueAtTime(), we don't need to do anything for |
| 27 function setValue(value, time) { | 36 // automation. because the value at the beginning of the interval is set |
| 28 gainNode.gain.setValueAtTime(value, time); | 37 // by setValue and it remains constant for the duration, which is what we |
| 29 } | 38 // want. |
| 39 function automation(value, startTime, endTime) { |
| 40 // Do nothing. |
| 41 } |
| 30 | 42 |
| 31 // For testing setValueAtTime(), we don't need to do anything for automation. | 43 audit.define( |
| 32 // because the value at the beginning of the interval is set by setValue and it | 44 { |
| 33 // remains constant for the duration, which is what we want. | 45 label: 'test', |
| 34 function automation(value, startTime, endTime) { | 46 description: 'AudioParam setValueAtTime() functionality.' |
| 35 // Do nothing. | 47 }, |
| 36 } | 48 function(task, should) { |
| 49 createAudioGraphAndTest( |
| 50 task, should, numberOfTests, 1, setValue, automation, |
| 51 'setValueAtTime()', maxAllowedError, createConstantArray); |
| 52 }); |
| 37 | 53 |
| 38 audit.define({ | 54 audit.run(); |
| 39 label: 'test', | 55 </script> |
| 40 description: 'AudioParam setValueAtTime() functionality.' | 56 </body> |
| 41 }, function(task, should) { | |
| 42 createAudioGraphAndTest( | |
| 43 task, should, numberOfTests, 1, setValue, automation, 'setValueAtTime()', | |
| 44 maxAllowedError, createConstantArray); | |
| 45 }); | |
| 46 | |
| 47 audit.run(); | |
| 48 </script> | |
| 49 | |
| 50 </body> | |
| 51 </html> | 57 </html> |
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Chromium Code Reviews
Issue 2895963003:
Apply layout-test-tidy to LayoutTests/webaudio (Closed)
