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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-setTargetAtTime.html
parentInitial commit. (diff)
downloadthunderbird-upstream.tar.xz
thunderbird-upstream.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-setTargetAtTime.html
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+<!DOCTYPE html>
+<html>
+ <head>
+ <title>
+ Test AudioParam.setTargetAtTime
+ </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 setTargetAtTime at regular intervals to set the
+ // starting value and the target value. Each time interval has a ramp with
+ // a different starting and target 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 = 6.5683e-4
+
+ // 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 approach starting at |startTime| with a target
+ // value of |value|.
+ function automation(value, startTime, endTime){
+ // endTime is not used for setTargetAtTime.
+ gainNode.gain.setTargetAtTime(value, startTime, timeConstant)}
+
+ audit.define(
+ {
+ label: 'test',
+ description: 'AudioParam setTargetAtTime() functionality.'
+ },
+ function(task, should) {
+ createAudioGraphAndTest(
+ task, should, numberOfTests, initialValue, setValue, automation,
+ 'setTargetAtTime()', maxAllowedError,
+ createExponentialApproachArray);
+ });
+
+ audit.run();
+ </script>
+ </body>
+</html>