diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-exponentialRampToValueAtTime.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-exponentialRampToValueAtTime.html')
| -rw-r--r-- | testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-exponentialRampToValueAtTime.html | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-exponentialRampToValueAtTime.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-exponentialRampToValueAtTime.html new file mode 100644 index 0000000000..bec4c1286b --- /dev/null +++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-exponentialRampToValueAtTime.html @@ -0,0 +1,63 @@ +<!DOCTYPE html> +<html> + <head> + <title> + Test AudioParam.exponentialRampToValueAtTime + </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/audioparam-testing.js"></script> + </head> + <body> + <script id="layout-test-code"> + let audit = Audit.createTaskRunner(); + + // Play a long DC signal out through an AudioGainNode, and call + // setValueAtTime() and exponentialRampToValueAtTime() at regular + // intervals to set the starting and ending values for an exponential + // ramp. Each time interval has a ramp with a different starting and + // ending value so that there is a discontinuity at each time interval + // boundary. The discontinuity is for testing timing. Also, we alternate + // between an increasing and decreasing ramp for each interval. + + // Number of tests to run. + let numberOfTests = 100; + + // Max allowed difference between the rendered data and the expected + // result. + let maxAllowedError = 1.222e-5; + + // The AudioGainNode starts with this value instead of the default value. + let initialValue = 100; + + // Set the gain node value to the specified value at the specified time. + function setValue(value, time) { + gainNode.gain.setValueAtTime(value, time); + } + + // Generate an exponential ramp ending at time |endTime| with an ending + // value of |value|. + function generateRamp(value, startTime, endTime){ + // |startTime| is ignored because the exponential ramp + // uses the value from the setValueAtTime() call above. + gainNode.gain.exponentialRampToValueAtTime(value, endTime)} + + audit.define( + { + label: 'test', + description: + 'AudioParam exponentialRampToValueAtTime() functionality' + }, + function(task, should) { + createAudioGraphAndTest( + task, should, numberOfTests, initialValue, setValue, + generateRamp, 'exponentialRampToValueAtTime()', maxAllowedError, + createExponentialRampArray); + }); + + audit.run(); + </script> + </body> +</html> |