<!DOCTYPE html> <!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). --> <meta charset="utf-8"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script> function checkConstructionSucceeds(type, language, label, kinds, byteStreamTrackID) { var trackDefault = new TrackDefault(type, language, label, kinds, byteStreamTrackID); assert_equals(trackDefault.type, type, "type"); assert_equals(trackDefault.language, language, "language"); assert_equals(trackDefault.label, label, "label"); assert_equals(trackDefault.byteStreamTrackID, byteStreamTrackID, "byteStreamTrackID"); assert_array_equals(trackDefault.kinds, kinds, "kinds"); } function checkConstructionFails(type, language, label, kinds, byteStreamTrackID) { assert_throws(new TypeError(), function() { new TrackDefault(type, language, label, kinds, byteStreamTrackID); }, "TrackDefault construction threw an exception"); } function trackDefaultConstructionTest(type, language, label, kinds, byteStreamTrackID, expectation, description) { test(function() { if (expectation) checkConstructionSucceeds(type, language, label, kinds, byteStreamTrackID); else checkConstructionFails(type, language, label, kinds, byteStreamTrackID); }, description + ": type '" + type + "', language '" + language + "', label '" + label + "', multiple kinds, byteStreamTrackID '" + byteStreamTrackID + "'"); // If all of |kinds| are expected to succeed, also test each kind individually. if (!expectation || kinds.length <= 1) return; for (var i = 0; i < kinds.length; ++i) { test(function() { checkConstructionSucceeds(type, language, label, new Array(kinds[i]), byteStreamTrackID); }, description + ": type '" + type + "', language '" + language + "', label '" + label + "', kind '" + kinds[i] + "', byteStreamTrackID '" + byteStreamTrackID + "'"); } } var VALID_AUDIO_TRACK_KINDS = [ "alternative", "descriptions", "main", "main-desc", "translation", "commentary", "", ]; var VALID_VIDEO_TRACK_KINDS = [ "alternative", "captions", "main", "sign", "subtitles", "commentary", "", ]; var VALID_TEXT_TRACK_KINDS = [ "subtitles", "captions", "descriptions", "chapters", "metadata", ]; trackDefaultConstructionTest("audio", "en-US", "audio label", VALID_AUDIO_TRACK_KINDS, "1", true, "Test valid audio kinds"); trackDefaultConstructionTest("video", "en-US", "video label", VALID_VIDEO_TRACK_KINDS, "1", true, "Test valid video kinds"); trackDefaultConstructionTest("text", "en-US", "text label", VALID_TEXT_TRACK_KINDS, "1", true, "Test valid text kinds"); trackDefaultConstructionTest("audio", "en-US", "audio label", VALID_VIDEO_TRACK_KINDS, "1", false, "Test mixed valid and invalid audio kinds"); trackDefaultConstructionTest("video", "en-US", "video label", VALID_AUDIO_TRACK_KINDS, "1", false, "Test mixed valid and invalid video kinds"); trackDefaultConstructionTest("text", "en-US", "text label", VALID_VIDEO_TRACK_KINDS, "1", false, "Test mixed valid and invalid text kinds"); trackDefaultConstructionTest("invalid type", "en-US", "label", VALID_AUDIO_TRACK_KINDS, "1", false, "Test invalid 'type' parameter type passed to TrackDefault constructor"); test(function() { checkConstructionFails("audio", "en-US", "label", "this is not a valid sequence", "1"); }, "Test invalid 'kinds' parameter type passed to TrackDefault constructor"); test(function() { var trackDefault = new TrackDefault("audio", "en-US", "label", VALID_AUDIO_TRACK_KINDS, "1"); var kinds = trackDefault.kinds; kinds[0] = "invalid kind"; assert_equals(kinds[0], "invalid kind", "local kinds is updated"); assert_equals(VALID_AUDIO_TRACK_KINDS[0], "alternative", "local original kinds unchanged"); assert_array_equals(trackDefault.kinds, VALID_AUDIO_TRACK_KINDS, "trackDefault kinds unchanged"); }, "Test updating the retval of TrackDefault.kinds does not modify TrackDefault.kinds"); </script>