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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_texttrackcue.html
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.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 833386 - HTMLTrackElement</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">
+ <track src="basic.vtt" kind="subtitles" id="default" default>
+</video>
+<script type="text/javascript">
+/**
+ * This test is used to test the VTTCue's different behaviors and check whether
+ * cues would be activatived correctly during video playback.
+ */
+var video = document.getElementById("v");
+var trackElement = document.getElementById("default");
+
+async function runTest() {
+ await waitUntiTrackLoaded();
+ checkCueDefinition();
+ checkFirstCueParsedContent();
+ checkCueStartTimeAndEndtime();
+ checkCueSizeAndPosition();
+ checkCueSnapToLines();
+ checkCueAlignmentAndWritingDirection();
+ checkCueLine();
+ checkCreatingNewCue();
+ checkRemoveNonExistCue();
+ checkActiveCues();
+ checkCueRegion();
+ await checkCActiveCuesDuringVideoPlaying();
+ SimpleTest.finish();
+}
+
+SimpleTest.waitForExplicitFinish();
+SpecialPowers.pushPrefEnv({"set": [["media.webvtt.regions.enabled", true]]},
+ runTest);
+/**
+ * The following are test helper functions.
+ */
+async function waitUntiTrackLoaded() {
+ if (trackElement.readyState != 2) {
+ info(`wait until the track finishes loading`);
+ await once(trackElement, "load");
+ }
+ is(trackElement.readyState, 2, "Track::ReadyState should be set to LOADED.");
+ is(trackElement.track.cues.length, 6, "Cue list length should be 6.");
+}
+
+function checkCueDefinition() {
+ // Check that the typedef of TextTrackCue works in Gecko.
+ isnot(window.TextTrackCue, undefined, "TextTrackCue should be defined.");
+ isnot(window.VTTCue, undefined, "VTTCue should be defined.");
+}
+
+function checkFirstCueParsedContent() {
+ // Check if first cue was parsed correctly.
+ const cue = trackElement.track.cues[0];
+ ok(cue instanceof TextTrackCue, "Cue should be an instanceof TextTrackCue.");
+ ok(cue instanceof VTTCue, "Cue should be an instanceof VTTCue.");
+ is(cue.id, "1", "Cue's ID should be 1.");
+ is(cue.startTime, 0.5, "Cue's start time should be 0.5.");
+ is(cue.endTime, 0.7, "Cue's end time should be 0.7.");
+ is(cue.pauseOnExit, false, "Cue's pause on exit flag should be false.");
+ is(cue.text, "This", "Cue's text should be set correctly.");
+ is(cue.track, trackElement.track, "Cue's track should be defined.");
+ cue.track = null;
+ isnot(cue.track, null, "Cue's track should not be able to be set.");
+}
+
+function checkCueStartTimeAndEndtime() {
+ const cueList = trackElement.track.cues;
+ // Check that all cue times were not rounded
+ is(cueList[1].startTime, 1.2, "Second cue's start time should be 1.2.");
+ is(cueList[1].endTime, 2.4, "Second cue's end time should be 2.4.");
+ is(cueList[2].startTime, 2, "Third cue's start time should be 2.");
+ is(cueList[2].endTime, 3.5, "Third cue's end time should be 3.5.");
+ is(cueList[3].startTime, 2.71, "Fourth cue's start time should be 2.71.");
+ is(cueList[3].endTime, 2.91, "Fourth cue's end time should be 2.91.");
+ is(cueList[4].startTime, 3.217, "Fifth cue's start time should be 3.217.");
+ is(cueList[4].endTime, 3.989, "Fifth cue's end time should be 3.989.");
+ is(cueList[5].startTime, 3.217, "Sixth cue's start time should be 3.217.");
+ is(cueList[5].endTime, 3.989, "Sixth cue's end time should be 3.989.");
+
+ // Check that Cue setters are working correctly.
+ const cue = trackElement.track.cues[0];
+ cue.id = "Cue 01";
+ is(cue.id, "Cue 01", "Cue's ID should be 'Cue 01'.");
+ cue.startTime = 0.51;
+ is(cue.startTime, 0.51, "Cue's start time should be 0.51.");
+ cue.endTime = 0.71;
+ is(cue.endTime, 0.71, "Cue's end time should be 0.71.");
+ cue.pauseOnExit = true;
+ is(cue.pauseOnExit, true, "Cue's pause on exit flag should be true.");
+ video.addEventListener("pause", function() {
+ video.play();
+ }, {once: true});
+}
+
+function checkCueSizeAndPosition() {
+ function checkPercentageValue(prop, initialVal) {
+ ok(prop in cue, prop + " should be a property on VTTCue.");
+ cue[prop] = initialVal;
+ is(cue[prop], initialVal, `Cue's ${prop} should initially be ${initialVal}`);
+ [ 101, -1 ].forEach(function(val) {
+ let exceptionHappened = false;
+ try {
+ cue[prop] = val;
+ } catch(e) {
+ exceptionHappened = true;
+ is(e.name, "IndexSizeError", "Should have thrown IndexSizeError.");
+ }
+ ok(exceptionHappened, "Exception should have happened.");
+ });
+ }
+
+ const cue = trackElement.track.cues[0];
+ checkPercentageValue("size", 100.0);
+ cue.size = 50.5;
+ is(cue.size, 50.5, "Cue's size should be 50.5.")
+
+ // Check cue.position
+ checkPercentageValue("position", "auto");
+ cue.position = 50.5;
+ is(cue.position, 50.5, "Cue's position value should now be 50.5.");
+}
+
+function checkCueSnapToLines() {
+ const cue = trackElement.track.cues[0];
+ ok(cue.snapToLines, "Cue's snapToLines should be set by set.");
+ cue.snapToLines = false;
+ ok(!cue.snapToLines, "Cue's snapToLines should not be set.");
+}
+
+function checkCueAlignmentAndWritingDirection() {
+ function checkEnumValue(prop, initialVal, acceptedValues) {
+ ok(prop in cue, `${prop} should be a property on VTTCue.`);
+ is(cue[prop], initialVal, `Cue's ${prop} should be ${initialVal}`);
+ cue[prop] = "bogus";
+ is(cue[prop], initialVal, `Cue's ${prop} should be ${initialVal}`);
+ acceptedValues.forEach(function(val) {
+ cue[prop] = val;
+ is(cue[prop], val, `Cue's ${prop} should be ${val}`);
+ if (typeof val === "string") {
+ cue[prop] = val.toUpperCase();
+ is(cue[prop], val, `Cue's ${prop} should be ${val}`);
+ }
+ });
+ }
+
+ const cue = trackElement.track.cues[0];
+ checkEnumValue("align", "center", [ "start", "left", "center", "right", "end" ]);
+ checkEnumValue("lineAlign", "start", [ "start", "center", "end" ]);
+ checkEnumValue("vertical", "", [ "", "lr", "rl" ]);
+
+ cue.lineAlign = "center";
+ is(cue.lineAlign, "center", "Cue's line align should be center.");
+ cue.lineAlign = "START";
+ is(cue.lineAlign, "center", "Cue's line align should be center.");
+ cue.lineAlign = "end";
+ is(cue.lineAlign, "end", "Cue's line align should be end.");
+
+ // Check that cue position align works properly
+ is(cue.positionAlign, "auto", "Cue's default position alignment should be auto.");
+
+ cue.positionAlign = "line-left";
+ is(cue.positionAlign, "line-left", "Cue's position align should be line-left.");
+ cue.positionAlign = "auto";
+ is(cue.positionAlign, "auto", "Cue's position align should be auto.");
+ cue.positionAlign = "line-right";
+ is(cue.positionAlign, "line-right", "Cue's position align should be line-right.");
+}
+
+function checkCueLine() {
+ const cue = trackElement.track.cues[0];
+ // Check cue.line
+ is(cue.line, "auto", "Cue's line value should initially be auto.");
+ cue.line = 0.5;
+ is(cue.line, 0.5, "Cue's line value should now be 0.5.");
+ cue.line = "auto";
+ is(cue.line, "auto", "Cue's line value should now be auto.");
+}
+
+function checkCreatingNewCue() {
+ const cueList = trackElement.track.cues;
+
+ // Check that we can create and add new VTTCues
+ let vttCue = new VTTCue(3.999, 4, "foo");
+ is(vttCue.track, null, "Cue's track should be null.");
+ trackElement.track.addCue(vttCue);
+ is(vttCue.track, trackElement.track, "Cue's track should be defined.");
+ is(cueList.length, 7, "Cue list length should now be 7.");
+
+ // Check that new VTTCue was added correctly
+ let cue = cueList[6];
+ is(cue.startTime, 3.999, "Cue's start time should be 3.999.");
+ is(cue.endTime, 4, "Cue's end time should be 4.");
+ is(cue.text, "foo", "Cue's text should be foo.");
+
+ // Adding the same cue again should not increase the cue count.
+ trackElement.track.addCue(vttCue);
+ is(cueList.length, 7, "Cue list length should be 7.");
+
+ // Check that we are able to remove cues.
+ trackElement.track.removeCue(cue);
+ is(cueList.length, 6, "Cue list length should be 6.");
+}
+
+function checkRemoveNonExistCue() {
+ is(trackElement.track.cues.length, 6, "Cue list length should be 6.");
+ let exceptionHappened = false;
+ try {
+ // We should not be able to remove a cue that is not in the list.
+ trackElement.track.removeCue(new VTTCue(1, 2, "foo"));
+ } catch (e) {
+ // "NotFoundError" should be thrown when trying to remove a cue that is
+ // not in the list.
+ is(e.name, "NotFoundError", "Should have thrown NotFoundError.");
+ exceptionHappened = true;
+ }
+ // If this is false then we did not throw an error and probably removed a cue
+ // when we shouln't have.
+ ok(exceptionHappened, "Exception should have happened.");
+ is(trackElement.track.cues.length, 6, "Cue list length should still be 6.");
+}
+
+function checkActiveCues() {
+ video.currentTime = 2;
+ isnot(trackElement.track.activeCues, null);
+
+ trackElement.track.mode = "disabled";
+ is(trackElement.track.activeCues, null, "No active cue when track is disabled.");
+ trackElement.track.mode = "showing";
+}
+
+function checkCueRegion() {
+ let regionInfo = [
+ { lines: 2, width: 30 },
+ { lines: 4, width: 20 },
+ { lines: 2, width: 30 }
+ ];
+
+ for (let i = 0; i < regionInfo.length; i++) {
+ let cue = trackElement.track.cues[i];
+ isnot(cue.region, null, `Cue at ${i} should have a region.`);
+ for (let key in regionInfo[i]) {
+ is(cue.region[key], regionInfo[i][key],
+ `Region should have a ${key} property with a value of ${regionInfo[i][key]}`);
+ }
+ }
+}
+
+async function checkCActiveCuesDuringVideoPlaying() {
+ // Test TextTrack::ActiveCues.
+ let cueInfo = [
+ { startTime: 0.51, endTime: 0.71, ids: ["Cue 01"] },
+ { startTime: 0.72, endTime: 1.19, ids: [] },
+ { startTime: 1.2, endTime: 1.9, ids: [2] },
+ { startTime: 2, endTime: 2.4, ids: [2, 2.5] },
+ { startTime: 2.41, endTime: 2.70, ids: [2.5] },
+ { startTime: 2.71, endTime: 2.91, ids: [2.5, 3] },
+ { startTime: 2.92, endTime: 3.216, ids: [2.5] },
+ { startTime: 3.217, endTime: 3.5, ids: [2.5, 4, 5] },
+ { startTime: 3.51, endTime: 3.989, ids: [4, 5] },
+ { startTime: 3.99, endTime: 4, ids: [] }
+ ];
+
+ video.addEventListener("timeupdate", function() {
+ let activeCues = trackElement.track.activeCues,
+ playbackTime = video.currentTime;
+
+ for (let i = 0; i < cueInfo.length; i++) {
+ let cue = cueInfo[i];
+ if (playbackTime >= cue.startTime && playbackTime < cue.endTime) {
+ is(activeCues.length, cue.ids.length, `There should be ${cue.ids.length} currently active cue(s).`);
+ for (let j = 0; j < cue.ids.length; j++) {
+ isnot(activeCues.getCueById(cue.ids[j]), undefined,
+ `The cue with ID ${cue.ids[j]} should be active.`);
+ }
+ break;
+ }
+ }
+ });
+
+ info(`start video from 0s.`);
+ video.currentTime = 0;
+ video.play();
+ await once(video, "playing");
+ info(`video starts playing.`);
+ await once(video, "ended");
+}
+
+</script>
+</body>
+</html>
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