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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/media/webvtt/test/mochitest/test_texttrack_moz.html
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Test for Bug 881976 - TextTrackList</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script type="text/javascript" src="manifest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<video id="v" src="seek.webm" preload="metadata">
+<script type="text/javascript">
+/**
+ * This test is used to ensure the text track list we got from video is as same
+ * as the one in the text track.
+ */
+var video = document.getElementById("v");
+
+async function runTest() {
+ addTrackViaAddTrackAPI();
+ await addTrackViaTrackElement();
+ SimpleTest.finish();
+}
+
+SimpleTest.waitForExplicitFinish();
+onload = runTest;
+
+/**
+ * The following are test helper functions.
+ */
+function addTrackViaAddTrackAPI() {
+ // Check if adding a text track manually sets the TextTrackList correctly.
+ video.addTextTrack("subtitles", "", "");
+ // TextTrack.textTrackList is an extension available only to privileged code,
+ // so we need to access it through the SpecialPowers object.
+ is(SpecialPowers.unwrap(SpecialPowers.wrap(video.textTracks[0]).textTrackList),
+ video.textTracks,
+ "The Track's TextTrackList should be the Video's TextTrackList.");
+}
+
+async function addTrackViaTrackElement() {
+ // Check if loading a Track via a TrackElement sets the TextTrackList correctly.
+ let trackElement = document.createElement("track");
+ trackElement.src = "basic.vtt";
+ trackElement.kind = "subtitles";
+ trackElement.default = true;
+ video.appendChild(trackElement);
+
+ info(`wait until the track finishes loading`);
+ await once(trackElement, "load");
+
+ is(trackElement.readyState, HTMLTrackElement.LOADED,
+ "Track::ReadyState should be set to LOADED.");
+ is(SpecialPowers.unwrap(SpecialPowers.wrap(trackElement.track).textTrackList),
+ video.textTracks,
+ "TrackElement's Track's TextTrackList should be the Video's TextTrackList.");
+}
+
+</script>
+</body>
+</html>