Bug 1242594 - Add testcase. r=rillian
MozReview-Commit-ID: 7icu0lE53CS
--- a/dom/media/test/mochitest.ini
+++ b/dom/media/test/mochitest.ini
@@ -604,16 +604,17 @@ skip-if = os == 'win' && !debug # bug 11
[test_bug895091.html]
[test_bug895305.html]
[test_bug919265.html]
[test_bug957847.html]
[test_bug1018933.html]
[test_bug1113600.html]
tags=capturestream
[test_bug1242338.html]
+[test_bug1242594.html]
[test_bug1248229.html]
tags=capturestream
[test_can_play_type.html]
[test_can_play_type_mpeg.html]
skip-if = buildapp == 'b2g' # bug 1021675
[test_can_play_type_no_ogg.html]
[test_can_play_type_ogg.html]
[test_chaining.html]
new file mode 100644
--- /dev/null
+++ b/dom/media/test/test_bug1242594.html
@@ -0,0 +1,45 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1242594
+-->
+<head>
+ <meta charset='utf-8'>
+ <title>Bug 1242594 - Unbind a video element with HTMLTrackElement
+ should not remove the TextTrack</title>
+ <script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
+ <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<p id="display"></p>
+<div id="content">
+</div>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+SimpleTest.waitForExplicitFinish();
+
+var video = document.createElement("video");
+video.src = "seek.webm";
+video.preload = "auto";
+
+var trackElement = document.createElement("track");
+trackElement.src = "basic.vtt";
+trackElement.kind = "subtitles";
+
+document.getElementById("content").appendChild(video);
+video.appendChild(trackElement);
+
+video.addEventListener("loadedmetadata", function run_tests() {
+ is(video.textTracks.length, 1, "Video should have one TextTrack.");
+ var parent = video.parentNode;
+ parent.removeChild(video);
+ is(video.textTracks.length, 1, "After unbind the video element, should have one TextTrack.");
+ parent.appendChild(video);
+ is(video.textTracks.length, 1, "After bind the video element, should have one TextTrack.");
+ SimpleTest.finish();
+});
+</script>
+</pre>
+</body>
+</html>
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