зеркало из https://github.com/mozilla/gecko-dev.git
58 строки
1.8 KiB
HTML
58 строки
1.8 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test for Bug 917945 - VTTRegion</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="manifest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<video id="v" src="seek.webm" preload="auto">
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<track src="region.vtt" kind="subtitles" id="default" default>
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</video>
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<script type="text/javascript">
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/**
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* This test is used to ensure that we can parse VTT region attributes correctly
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* from vtt file.
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*/
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var trackElement = document.getElementById("default");
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async function runTest() {
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await waitUntiTrackLoaded();
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checkRegionAttributes();
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SimpleTest.finish();
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}
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SimpleTest.waitForExplicitFinish();
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SpecialPowers.pushPrefEnv({"set": [["media.webvtt.regions.enabled", true]]},
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runTest);
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/**
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* The following are test helper functions.
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*/
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async function waitUntiTrackLoaded() {
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if (trackElement.readyState != 2) {
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info(`wait until the track finishes loading`);
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await once(trackElement, "load");
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}
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is(trackElement.readyState, 2, "Track::ReadyState should be set to LOADED.");
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}
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function checkRegionAttributes() {
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let cues = trackElement.track.cues;
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is(cues.length, 1, "Cue list length should be 1.");
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let region = cues[0].region;
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isnot(region, null, "Region should not be null.");
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is(region.width, 62, "Region width should be 50.");
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is(region.lines, 5, "Region lines should be 5.");
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is(region.regionAnchorX, 4, "Region regionAnchorX should be 4.");
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is(region.regionAnchorY, 78, "Region regionAnchorY should be 78.");
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is(region.viewportAnchorX, 10, "Region viewportAnchorX should be 10.");
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is(region.viewportAnchorY, 90, "Region viewportAnchorY should be 90.");
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is(region.scroll, "up", "Region scroll should be 'up'");
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}
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</script>
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</body>
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</html>
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