| Index: third_party/WebKit/LayoutTests/external/wpt/html/semantics/embedded-content/media-elements/ready-states/autoplay-with-slow-text-tracks.html
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| diff --git a/third_party/WebKit/LayoutTests/external/wpt/html/semantics/embedded-content/media-elements/ready-states/autoplay-with-slow-text-tracks.html b/third_party/WebKit/LayoutTests/external/wpt/html/semantics/embedded-content/media-elements/ready-states/autoplay-with-slow-text-tracks.html
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| new file mode 100644
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| index 0000000000000000000000000000000000000000..cf1b98c2bceafb32652da39197a4da31d7ea9694
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| --- /dev/null
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| +++ b/third_party/WebKit/LayoutTests/external/wpt/html/semantics/embedded-content/media-elements/ready-states/autoplay-with-slow-text-tracks.html
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| @@ -0,0 +1,45 @@
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| +<!doctype html>
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| +<title>autoplay with slow text tracks</title>
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| +<script src="/resources/testharness.js"></script>
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| +<script src="/resources/testharnessreport.js"></script>
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| +<script src="/common/media.js"></script>
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| +<div id="log"></div>
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| +<script>
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| +// https://html.spec.whatwg.org/#ready-states says:
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| +//
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| +// HAVE_FUTURE_DATA: "the text tracks are ready".
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| +// HAVE_ENOUGH_DATA: All the conditions described for the HAVE_FUTURE_DATA state are met, ...
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| +//
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| +// When the ready state of a media element whose networkState is not NETWORK_EMPTY changes,
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| +// the user agent must follow the steps given below:
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| +// If the new ready state is HAVE_ENOUGH_DATA
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| +// (autoplay)
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| +//
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| +// So if the text tracks are not yet ready, we can't autoplay.
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| +
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| +var started = 0;
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| +var numOfTests = 5;
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| +
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| +function createTest() {
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| +  var video = document.createElement('video');
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| +  video.src = getVideoURI('/media/movie_5');
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| +  video.autoplay = true;
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| +  video.muted = true;
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| +  video.controls = true;
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| +  video.onplaying = function() {
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| +    started++;
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| +    assert_equals(track.track.cues.length, 1);
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| +    if (started === numOfTests) {
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| +      done();
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| +    }
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| +  };
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| +  var track = document.createElement('track');
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| +  track.src = '/media/foo.vtt?pipe=trickle(d2)';
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| +  track.default = true;
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| +  video.appendChild(track);
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| +  document.body.appendChild(video);
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| +}
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| +for (var i = 0; i < numOfTests; ++i) {
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| +  createTest();
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| +}
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| +</script>
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| 
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