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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-linearRampToValueAtTime.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
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-linearRampToValueAtTime.html')
| -rw-r--r-- | testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-linearRampToValueAtTime.html | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-linearRampToValueAtTime.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-linearRampToValueAtTime.html new file mode 100644 index 0000000000..509c254d92 --- /dev/null +++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-linearRampToValueAtTime.html @@ -0,0 +1,60 @@ +<!DOCTYPE html> +<html> + <head> + <title> + Test AudioParam.linearRampToValueAtTime + </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 linearRampToValueAtTime() at regular intervals to + // set the starting and ending values for a linear 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 = 1.865e-6; + + // Set the gain node value to the specified value at the specified time. + function setValue(value, time) { + gainNode.gain.setValueAtTime(value, time); + } + + // Generate a linear ramp ending at time |endTime| with an ending value of + // |value|. + function generateRamp(value, startTime, endTime){ + // |startTime| is ignored because the linear ramp uses the value from + // the + // setValueAtTime() call above. + gainNode.gain.linearRampToValueAtTime(value, endTime)} + + audit.define( + { + label: 'test', + description: 'AudioParam linearRampToValueAtTime() functionality' + }, + function(task, should) { + createAudioGraphAndTest( + task, should, numberOfTests, 1, setValue, generateRamp, + 'linearRampToValueAtTime()', maxAllowedError, + createLinearRampArray); + }); + + audit.run(); + </script> + </body> +</html> |