LayoutTests/http/tests/media/media-source/mediasource-trackdefaultlist.html - Issue 702583002: MSE: Implement TrackDefaultList object

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Issue 702583002: MSE: Implement TrackDefaultList object (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@WIP_blink_trackdefaults_and_add_tracks_to_init_segment_processing

Patch Set: Add ::create() overload to simplify empty list creation Created 6 years ago

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	1 <!DOCTYPE html>

	2 <html>

	3 <head>

	4 <script src="/w3c/resources/testharness.js"></script>

	5 <script src="/w3c/resources/testharnessreport.js"></script>

	6

	7 <link rel='stylesheet' href='/w3c/resources/testharness.css'>

	8 </head>

	9 <body>

	10 <div id="log"></div>

	11 <script>

	12

	13 test(function()

	14 {

	15 var originalTrackDefaults = [

	16 // Same everything, but different byteStreamTrackID, should be allowed by the constructor.

	17 new TrackDefault("audio", "en-US", "label", ["main"], ""),

	18 new TrackDefault("audio", "en-US", "label", ["main"], "1"),

	19 new TrackDefault("audio", "en-US", "label", ["main"], "2"),

	20 new TrackDefault("audio", "en-US", "label", [""], "3"),

	21

	22 // Same everything, but different type, should be allowed by the constructor.

	23 new TrackDefault("video", "en-US", "label", ["main"], ""),

	24 new TrackDefault("video", "en-US", "label", ["main"], "1"),

	25 new TrackDefault("video", "en-US", "label", ["main"], "2"),

	26 new TrackDefault("video", "en-US", "label", [""], "3")

	27 ];

	28

	29 // Get a new array containing the same objects as \|originalTrack Defaults\|.

	30 var trackDefaults = originalTrackDefaults.slice();

	31

	32 var trackDefaultList = new TrackDefaultList(trackDefaults);

	33 assert_array_equals(trackDefaultList, originalTrackDefaults, "co nstruction and read-back succeeded");

	34 assert_equals(trackDefaultList[trackDefaultList.length], undefin ed, "out of range indexed property getter result is undefined");

	35 assert_equals(trackDefaultList[trackDefaultList.length + 1], und efined, "out of range indexed property getter result is undefined");

	36

	37 // Introduce same-type, same-empty-string-byteStreamTrackId conf lict in trackDefaults[0 vs 4].

	38 trackDefaults[4] = new TrackDefault("audio", "en-US", "label", [ "main"], "");

	39 assert_equals(trackDefaults[0].type, trackDefaults[4].type, "sam e-type conflict setup");

	40 assert_equals(trackDefaults[0].byteStreamTrackID, trackDefaults[ 4].byteStreamTrackID, "same-byteStreamTrackID conflict setup");

	41 assert_throws("InvalidAccessError",

	42 function() { new TrackDefaultList(trackDefaults); },

	43 "TrackDefaultList construction should throw exception due to same type and byteStreamTrackID across at least 2 items in trackDefaults");

	44

	45 // Introduce same-type, same-non-empty-string-byteStreamTrackId conflict in trackDefaults[4 vs 5].

	46 trackDefaults[4] = new TrackDefault("video", "en-US", "label", [ "main"], "1");

	47 assert_equals(trackDefaults[4].type, trackDefaults[5].type, "sam e-type conflict setup");

	48 assert_equals(trackDefaults[4].byteStreamTrackID, trackDefaults[ 5].byteStreamTrackID, "same-byteStreamTrackID conflict setup");

	49 assert_throws("InvalidAccessError",

	50 function() { new TrackDefaultList(trackDefaults); },

	51 "TrackDefaultList construction should throw exception due to same type and byteStreamTrackID across at least 2 items in trackDefaults");

	52

	53 // Confirm the constructed TrackDefaultList makes a shallow copy of the supplied TrackDefault sequence.

	54 assert_array_equals(trackDefaultList, originalTrackDefaults, "re ad-back of original trackDefaultList unchanged");

	55

	56 }, "Test track default list construction, length, and indexed proper ty getter");

	57

	58 </script>

	59 </body>

	60 </html>

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