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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/layout-instability/sub-frame.html | |
| parent | Initial commit. (diff) | |
| download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/layout-instability/sub-frame.html')
| -rw-r--r-- | testing/web-platform/tests/layout-instability/sub-frame.html | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/testing/web-platform/tests/layout-instability/sub-frame.html b/testing/web-platform/tests/layout-instability/sub-frame.html new file mode 100644 index 0000000000..d7cb40002e --- /dev/null +++ b/testing/web-platform/tests/layout-instability/sub-frame.html @@ -0,0 +1,50 @@ +<!DOCTYPE html> +<html> +<body> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="resources/test-adapter.js"></script> +<script src="resources/util.js"></script> +<style> + #j { + position: relative; + width: 300px; + height: 100px; + background-color: purple; + } +</style> +<div id="j"></div> +<script> +function shiftFrame() { + document.getElementById('j').style.top = '60px'; +} +function unshiftFrame() { + document.getElementById('j').style.top = ''; +} + +promise_test(async () => { + const watcher = new ScoreWatcher; + + // Wait for the initial render to complete. + await waitForAnimationFrames(2); + shiftFrame(); + + const expectedScore = computeExpectedScore(300 * (100 + 60), 60); + + cls_expect(watcher, {score: 0}); + await watcher.promise; + cls_expect(watcher, {score: expectedScore}); + + unshiftFrame(); + await watcher.promise; + cls_expect(watcher, {score: expectedScore * 2}); + + window.parent.postMessage({ + type: 'layout shift score', + score: watcher.score, + expectedScore: expectedScore * 2, + }, '*'); +}, 'We will see two layout shift with the same score in the subframe.'); +</script> +</body> +</html>
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