blob: 46d4c1526865690c5dcc3bea041c33f9d1464705 [file] [log] [blame]
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<script src="/w3c/resources/testharness.js"></script>
<script src="/w3c/resources/testharnessreport.js"></script>
<link rel='stylesheet' href='/w3c/resources/testharness.css'>
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<body>
<div id="log"></div>
<script>
test(function()
{
var originalTrackDefaults = [
// Same everything, but different byteStreamTrackID, should be allowed by the constructor.
new TrackDefault("audio", "en-US", "label", ["main"], ""),
new TrackDefault("audio", "en-US", "label", ["main"], "1"),
new TrackDefault("audio", "en-US", "label", ["main"], "2"),
new TrackDefault("audio", "en-US", "label", [""], "3"),
// Same everything, but different type, should be allowed by the constructor.
new TrackDefault("video", "en-US", "label", ["main"], ""),
new TrackDefault("video", "en-US", "label", ["main"], "1"),
new TrackDefault("video", "en-US", "label", ["main"], "2"),
new TrackDefault("video", "en-US", "label", [""], "3")
];
// Get a new array containing the same objects as |originalTrackDefaults|.
var trackDefaults = originalTrackDefaults.slice();
var trackDefaultList = new TrackDefaultList(trackDefaults);
assert_array_equals(trackDefaultList, originalTrackDefaults, "construction and read-back succeeded");
assert_equals(trackDefaultList[trackDefaultList.length], undefined, "out of range indexed property getter result is undefined");
assert_equals(trackDefaultList[trackDefaultList.length + 1], undefined, "out of range indexed property getter result is undefined");
// Introduce same-type, same-empty-string-byteStreamTrackId conflict in trackDefaults[0 vs 4].
trackDefaults[4] = new TrackDefault("audio", "en-US", "label", ["main"], "");
assert_equals(trackDefaults[0].type, trackDefaults[4].type, "same-type conflict setup");
assert_equals(trackDefaults[0].byteStreamTrackID, trackDefaults[4].byteStreamTrackID, "same-byteStreamTrackID conflict setup");
assert_throws_dom("InvalidAccessError",
function() { new TrackDefaultList(trackDefaults); },
"TrackDefaultList construction should throw exception due to same type and byteStreamTrackID across at least 2 items in trackDefaults");
// Introduce same-type, same-non-empty-string-byteStreamTrackId conflict in trackDefaults[4 vs 5].
trackDefaults[4] = new TrackDefault("video", "en-US", "label", ["main"], "1");
assert_equals(trackDefaults[4].type, trackDefaults[5].type, "same-type conflict setup");
assert_equals(trackDefaults[4].byteStreamTrackID, trackDefaults[5].byteStreamTrackID, "same-byteStreamTrackID conflict setup");
assert_throws_dom("InvalidAccessError",
function() { new TrackDefaultList(trackDefaults); },
"TrackDefaultList construction should throw exception due to same type and byteStreamTrackID across at least 2 items in trackDefaults");
// Confirm the constructed TrackDefaultList makes a shallow copy of the supplied TrackDefault sequence.
assert_array_equals(trackDefaultList, originalTrackDefaults, "read-back of original trackDefaultList unchanged");
}, "Test track default list construction, length, and indexed property getter");
test(function()
{
var trackDefaultList = new TrackDefaultList();
assert_array_equals(trackDefaultList, [], "empty list constructable without supplying optional trackDefaults parameter");
trackDefaultList = new TrackDefaultList([]);
assert_array_equals(trackDefaultList, [], "empty list constructable by supplying empty sequence as optional trackDefaults parameter");
}, "Test empty track default list construction with and without optional trackDefaults parameter");
</script>
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