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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
| commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
| tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/paint-timing/fcp-only/fcp-video-poster.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip | |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/paint-timing/fcp-only/fcp-video-poster.html')
| -rw-r--r-- | testing/web-platform/tests/paint-timing/fcp-only/fcp-video-poster.html | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/testing/web-platform/tests/paint-timing/fcp-only/fcp-video-poster.html b/testing/web-platform/tests/paint-timing/fcp-only/fcp-video-poster.html new file mode 100644 index 0000000000..e7eeee3f12 --- /dev/null +++ b/testing/web-platform/tests/paint-timing/fcp-only/fcp-video-poster.html @@ -0,0 +1,28 @@ +<!DOCTYPE html> +<head> +<title>Performance Paint Timing Test: FCP due to loaded video poster</title> +</head> +<body> +<script src="../resources/utils.js"></script> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<video id="video" width="50" height="50"></video> +<script> + setup({"hide_test_state": true}); + promise_test(async t => { + assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported."); + await new Promise(r => window.addEventListener('load', r)); + await assertNoFirstContentfulPaint(t); + const video = document.getElementById('video'); + const src = '../resources/circles.png'; + const image = new Image(); + image.src = src; + video.setAttribute('poster', src); + await new Promise(resolve => { + image.onload = async () => resolve(); + }) + await assertFirstContentfulPaint(t); + }, 'Video should become contentful when poster is loaded'); +</script> +</body> +</html> |