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296 lines
11 KiB
HTML
296 lines
11 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=833386
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-->
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<head>
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<meta charset='utf-8'>
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<title>Test for Bug 833386 - HTMLTrackElement</title>
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<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.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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<p id="display"></p>
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<div id="content">
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</div>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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SimpleTest.waitForExplicitFinish();
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SpecialPowers.pushPrefEnv({"set": [["media.webvtt.regions.enabled", true]]},
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function() {
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var video = document.createElement("video");
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video.src = "seek.webm";
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video.preload = "metadata";
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var trackElement = document.createElement("track");
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trackElement.src = "basic.vtt";
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trackElement.kind = "subtitles";
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document.getElementById("content").appendChild(video);
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video.appendChild(trackElement);
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video.addEventListener("loadedmetadata", function run_tests() {
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// Re-que run_tests() at the end of the event loop until the track
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// element has loaded its data.
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if (trackElement.readyState == 1) {
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setTimeout(run_tests, 0);
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return;
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}
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is(trackElement.readyState, 2, "Track::ReadyState should be set to LOADED.");
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// Set mode to hidden so that the active cue lists are being updated.
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trackElement.track.mode = "hidden";
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var cueList = trackElement.track.cues;
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is(cueList.length, 6, "Cue list length should be 6.");
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// Check that the typedef of TextTrackCue works in Gecko.
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isnot(window.TextTrackCue, undefined, "TextTrackCue should be defined.");
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isnot(window.VTTCue, undefined, "VTTCue should be defined.");
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// Check if first cue was parsed correctly.
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var cue = cueList[0];
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ok(cue instanceof TextTrackCue, "Cue should be an instanceof TextTrackCue.");
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ok(cue instanceof VTTCue, "Cue should be an instanceof VTTCue.");
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is(cue.id, "1", "Cue's ID should be 1.");
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is(cue.startTime, 0.5, "Cue's start time should be 0.5.");
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is(cue.endTime, 0.7, "Cue's end time should be 0.7.");
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is(cue.pauseOnExit, false, "Cue's pause on exit flag should be false.");
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is(cue.text, "This", "Cue's text should be set correctly.");
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is(cue.track, trackElement.track, "Cue's track should be defined.");
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cue.track = null;
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isnot(cue.track, null, "Cue's track should not be able to be set.");
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// Check that all cue times were not rounded
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is(cueList[1].startTime, 1.2, "Second cue's start time should be 1.2.");
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is(cueList[1].endTime, 2.4, "Second cue's end time should be 2.4.");
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is(cueList[2].startTime, 2, "Third cue's start time should be 2.");
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is(cueList[2].endTime, 3.5, "Third cue's end time should be 3.5.");
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is(cueList[3].startTime, 2.71, "Fourth cue's start time should be 2.71.");
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is(cueList[3].endTime, 2.91, "Fourth cue's end time should be 2.91.");
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is(cueList[4].startTime, 3.217, "Fifth cue's start time should be 3.217.");
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is(cueList[4].endTime, 3.989, "Fifth cue's end time should be 3.989.");
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is(cueList[5].startTime, 3.217, "Sixth cue's start time should be 3.217.");
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is(cueList[5].endTime, 3.989, "Sixth cue's end time should be 3.989.");
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// Check that Cue setters are working correctly.
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cue.id = "Cue 01";
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is(cue.id, "Cue 01", "Cue's ID should be 'Cue 01'.");
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cue.startTime = 0.51;
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is(cue.startTime, 0.51, "Cue's start time should be 0.51.");
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cue.endTime = 0.71;
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is(cue.endTime, 0.71, "Cue's end time should be 0.71.");
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cue.pauseOnExit = true;
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is(cue.pauseOnExit, true, "Cue's pause on exit flag should be true.");
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var exceptionHappened;
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function checkPercentageValue(prop) {
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ok(prop in cue, prop + " should be a property on VTTCue.");
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cue[prop] = 20;
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is(cue[prop], 20, "Cue's " + prop + " should now be 20.");
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[ 101, -1 ].forEach(function(val) {
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exceptionHappened = false;
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try {
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cue[prop] = val;
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} catch(e) {
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exceptionHappened = true;
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is(e.name, "IndexSizeError", "Should have thrown IndexSizeError.");
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}
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ok(exceptionHappened, "Exception should have happened.");
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});
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}
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checkPercentageValue("size");
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checkPercentageValue("position");
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ok(cue.snapToLines, "Cue's snapToLines should be set by set.");
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cue.snapToLines = false;
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ok(!cue.snapToLines, "Cue's snapToLines should not be set.");
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function checkEnumValue(prop, initialVal, acceptedValues) {
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ok(prop in cue, prop + " should be a property on VTTCue.");
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is(cue[prop], initialVal, "Cue's " + prop + " should be " + initialVal);
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cue[prop] = "bogus";
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is(cue[prop], initialVal, "Cue's " + prop + " should be " + initialVal);
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acceptedValues.forEach(function(val) {
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cue[prop] = val;
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is(cue[prop], val, "Cue's " + prop + " should be " + val);
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if (typeof val === "string") {
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cue[prop] = val.toUpperCase();
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is(cue[prop], val, "Cue's " + prop + " should be " + val);
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}
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});
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}
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checkEnumValue("align", "middle", [ "start", "left", "middle", "right", "end" ]);
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checkEnumValue("vertical", "", [ "", "lr", "rl" ]);
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// Check that cue line align works properly
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is(cue.lineAlign, "start", "Cue's default line alignment should be start.");
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exceptionHappened = false;
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try {
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cue.lineAlign = "left";
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} catch(e) {
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exceptionHappened = true;
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is(e.name, "SyntaxError", "Should have thrown SyntaxError.");
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}
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ok(exceptionHappened, "Exception should have happened.");
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exceptionHappened = false;
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try {
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cue.lineAlign = "right";
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} catch(e) {
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exceptionHappened = true;
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is(e.name, "SyntaxError", "Should have thrown SyntaxError.");
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}
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ok(exceptionHappened, "Exception should have happened.");
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cue.lineAlign = "middle";
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is(cue.lineAlign, "middle", "Cue's line align should be middle.");
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cue.lineAlign = "START";
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is(cue.lineAlign, "middle", "Cue's line align should be middle.");
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cue.lineAlign = "end";
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is(cue.lineAlign, "end", "Cue's line align should be end.");
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// Check that cue position align works properly
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is(cue.positionAlign, "middle", "Cue's default position alignment should be middle.");
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var exceptionHappened = false;
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try {
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cue.positionAlign = "left";
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} catch(e) {
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exceptionHappened = true;
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is(e.name, "SyntaxError", "Should have thrown SyntaxError.");
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}
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ok(exceptionHappened, "Exception should have happened.");
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exceptionHappened = false;
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try {
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cue.positionAlign = "right";
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} catch(e) {
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exceptionHappened = true;
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is(e.name, "SyntaxError", "Should have thrown SyntaxError.");
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}
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ok(exceptionHappened, "Exception should have happened.");
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cue.positionAlign = "start";
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is(cue.positionAlign, "start", "Cue's position align should be start.");
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cue.positionAlign = "end";
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is(cue.positionAlign, "end", "Cue's position align should be end.");
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// Check cue.line
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is(cue.line, "auto", "Cue's line value should initially be auto.");
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cue.line = 12410
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is(cue.line, 12410, "Cue's line value should now be 12410.");
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cue.line = "auto";
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is(cue.line, "auto", "Cue's line value should now be auto.");
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// Check that we can create and add new VTTCues
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var vttCue = new VTTCue(3.999, 4, "foo");
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is(vttCue.track, null, "Cue's track should be null.");
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trackElement.track.addCue(vttCue);
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is(cue.track, trackElement.track, "Cue's track should be defined.");
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is(cueList.length, 7, "Cue list length should now be 7.");
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// Check that new VTTCue was added correctly
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cue = cueList[6];
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is(cue.startTime, 3.999, "Cue's start time should be 3.999.");
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is(cue.endTime, 4, "Cue's end time should be 4.");
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is(cue.text, "foo", "Cue's text should be foo.");
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// Adding the same cue again should not increase the cue count.
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trackElement.track.addCue(vttCue);
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is(cueList.length, 7, "Cue list length should be 7.");
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// Check that we are able to remove cues.
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trackElement.track.removeCue(cue);
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is(cueList.length, 6, "Cue list length should be 6.");
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exceptionHappened = false;
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try {
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// We should not be able to remove a cue that is not in the list.
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cue = new VTTCue(1, 2, "foo");
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trackElement.track.removeCue(cue);
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} catch (e) {
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// "NotFoundError" should be thrown when trying to remove a cue that is
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// not in the list.
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is(e.name, "NotFoundError", "Should have thrown NotFoundError.");
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exceptionHappened = true;
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}
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// If this is false then we did not throw an error and probably removed a cue
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// when we shouln't have.
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ok(exceptionHappened, "Exception should have happened.");
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is(cueList.length, 6, "Cue list length should be 6.");
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video.currentTime = 2;
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isnot(trackElement.track.activeCues, null);
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trackElement.track.mode = "disabled";
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is(trackElement.track.activeCues, null);
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trackElement.track.mode = "showing";
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video.currentTime = 0;
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var regionInfo = [
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{ lines: 2, width: 30 },
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{ lines: 4, width: 20 },
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{ lines: 2, width: 30 }
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];
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for (var i = 0; i < regionInfo.length; i++) {
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var cue = cueList[i];
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isnot(cue.region, null, "Cue at " + i + " should have a region.");
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for (var key in regionInfo[i]) {
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is(cue.region[key], regionInfo[i][key], "Region should have a " + key +
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" property with a value of " + regionInfo[i][key])
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}
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}
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// Test TextTrack::ActiveCues.
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var cueInfo = [
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{ startTime: 0.51, endTime: 0.71, ids: ["Cue 01"] },
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{ startTime: 0.72, endTime: 1.19, ids: [] },
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{ startTime: 1.2, endTime: 1.9, ids: [2] },
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{ startTime: 2, endTime: 2.4, ids: [2, 2.5] },
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{ startTime: 2.41, endTime: 2.70, ids: [2.5] },
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{ startTime: 2.71, endTime: 2.91, ids: [2.5, 3] },
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{ startTime: 2.92, endTime: 3.216, ids: [2.5] },
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{ startTime: 3.217, endTime: 3.5, ids: [2.5, 4, 5] },
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{ startTime: 3.51, endTime: 3.989, ids: [4, 5] },
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{ startTime: 3.99, endTime: 4, ids: [] }
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];
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video.addEventListener("timeupdate", function() {
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var activeCues = trackElement.track.activeCues,
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found = false,
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playbackTime = video.currentTime;
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for (var i = 0; i < cueInfo.length; i++) {
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var cue = cueInfo[i];
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if (playbackTime >= cue.startTime && playbackTime <= cue.endTime) {
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is(activeCues.length, cue.ids.length, "There should be " + cue.ids.length + " currently active cue(s).");
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for (var j = 0; j < cue.ids.length; j++) {
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isnot(activeCues.getCueById(cue.ids[j]), undefined, "The cue with ID " + cue.ids[j] + " should be active.");
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}
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break;
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}
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}
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});
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video.addEventListener("ended", function(){
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SimpleTest.finish();
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});
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video.play();
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});
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}
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);
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</script>
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</pre>
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</body>
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</html>
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