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Diffstat (limited to 'testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-element-src-change.html')
-rw-r--r-- | testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-element-src-change.html | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-element-src-change.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-element-src-change.html new file mode 100644 index 0000000000..f3c78668b4 --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-element-src-change.html @@ -0,0 +1,55 @@ +<!DOCTYPE html> +<title>HTMLTrackElement 'src' attribute mutations</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<video> + <track src="resources/settings.vtt" default> + <script> + async_test(function(t) { + var cues = null; + var testTrack = document.querySelector("track"); + var stage = 0; + function step_onLoad() { + switch (stage) { + case 0: + cues = testTrack.track.cues; + assert_equals(testTrack.readyState, HTMLTrackElement.LOADED, "readyState after first loading of the track"); + assert_equals(cues.length, 4, "Number of cues after first loading of the track"); + assert_equals(cues[cues.length-1].text, 'I said Bear is coming now!!!! Tab separators.', "Last cue content check"); + ++stage; + testTrack.src = "resources/entities.vtt"; + assert_equals(cues.length, 0, "cues list is reset immediately after 'src' mutation with the new URL"); + break; + case 1: + assert_equals(testTrack.readyState, HTMLTrackElement.LOADED), "readyState after loading of the second track"; + assert_equals(cues, testTrack.track.cues, ".cues object are the same after 'src' attr mutation"); + assert_equals(cues.length, 7, "Number of cues after loading of the second track"); + assert_equals(cues[cues.length-1].text, 'This & is parsed to the same as &.', "Last cue content check"); + ++stage; + testTrack.src = "resources/settings.vtt"; + break; + case 2: + assert_equals(testTrack.readyState, HTMLTrackElement.LOADED, "readyState after after loading of the first track again"); + assert_equals(cues[cues.length-1].text, 'I said Bear is coming now!!!! Tab separators.', "Last cue content check"); + assert_equals(cues, testTrack.track.cues, ".cues object are the same after 'src' attr mutation"); + assert_equals(cues.length, 4, "Number of cues after loading of the first track"); + ++stage; + testTrack.src = "resources/settings.vtt"; + // This should not raise onLoad or onError event, so we'll wait for it for some time + t.step_timeout(t.step_func_done(function() { + assert_equals(testTrack.readyState, HTMLTrackElement.LOADED, "readyState after changing 'src' to the same value"); + assert_equals(cues, testTrack.track.cues, ".cues object are the same after 'src' attr mutation"); + assert_equals(cues.length, 4, "Number of cues after changing 'src' to the same value"); + }, 100)); + break; + case 3: + assert_unreached("'load' event should not fire, stage = " + stage); + break; + } + } + + testTrack.onload = t.step_func(step_onLoad); + testTrack.onerror = t.unreached_func("'error' event should not fire"); + }); + </script> +</video> |