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LibWeb: Implement playbackRate

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This commit is contained in:
Psychpsyo
2025-02-09 01:42:50 +01:00
committed by Sam Atkins
parent 986fe0f408
commit 14e354bc29
Notes: github-actions[bot] 2025-02-10 11:39:00 +00:00 
Author: https://github.com/Psychpsyo
Commit: https://github.com/LadybirdBrowser/ladybird/commit/14e354bc298
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3514
Reviewed-by: https://github.com/AtkinsSJ ✅
5 changed files with 123 additions and 3 deletions
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53
Tests/LibWeb/Text/input/wpt-import/html/semantics/embedded-content/media-elements/playing-the-media-resource/playbackRate.html Normal file
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<!doctype html>
<title>playbackRate</title>
<script src="../../../../../resources/testharness.js"></script>
<script src="../../../../../resources/testharnessreport.js"></script>
<div id=log></div>
<script>
test(function() {
var v = document.createElement('video');
assert_equals(v.playbackRate, 1);
}, 'playbackRate initial value');
function testPlaybackRateHelper(t, newPlaybackRate) {
var v = document.createElement('video');
var initialRate = v.playbackRate;
v.addEventListener('ratechange', t.step_func_done(function() {
assert_equals(v.playbackRate, newPlaybackRate);
}));
try {
v.playbackRate = newPlaybackRate;
} catch(e) {
assert_equals(e.name, 'NotSupportedError');
assert_equals(v.playbackRate, initialRate);
t.done();
}
}
async_test(function(t) {
testPlaybackRateHelper(this, 3);
}, "playbackRate set to small positive value");
async_test(function(t) {
testPlaybackRateHelper(this, 100);
}, "playbackRate set to large positive value");
async_test(function(t) {
testPlaybackRateHelper(this, -3);
}, "playbackRate set to small negative value");
async_test(function(t) {
testPlaybackRateHelper(this, -100);
}, "playbackRate set to large negative value");
async_test(function(t) {
testPlaybackRateHelper(this, 0);
}, "playbackRate set to 0");
async_test(function(t) {
testPlaybackRateHelper(this, -1);
}, "playbackRate set to -1");
</script>