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Diffstat (limited to '')
| -rw-r--r-- | testing/web-platform/tests/largest-contentful-paint/video-poster.html | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/testing/web-platform/tests/largest-contentful-paint/video-poster.html b/testing/web-platform/tests/largest-contentful-paint/video-poster.html new file mode 100644 index 0000000000..fdc691819b --- /dev/null +++ b/testing/web-platform/tests/largest-contentful-paint/video-poster.html @@ -0,0 +1,25 @@ +<!DOCTYPE HTML> +<meta charset=utf-8> +<title>Largest Contentful Paint: observe video poster image</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="resources/largest-contentful-paint-helpers.js"></script> +<script> +setup({"hide_test_state": true}); +async_test(function (t) { + assert_implements(window.LargestContentfulPaint, "LargestContentfulPaint is not implemented"); + const beforeLoad = performance.now(); + const observer = new PerformanceObserver( + t.step_func_done(function(entryList) { + assert_equals(entryList.getEntries().length, 1); + const entry = entryList.getEntries()[0]; + const url = window.location.origin + '/images/blue.png'; + // blue.png is 133 by 106. + const size = 133 * 106; + checkImage(entry, url, 'the_poster', size, beforeLoad); + }) + ); + observer.observe({type: 'largest-contentful-paint', buffered: true}); +}, "Able to observe a video's poster image."); +</script> +<video id='the_poster' src='/media/test.mp4' poster='/images/blue.png'/> |