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Diffstat (limited to '')
| -rw-r--r-- | testing/web-platform/tests/layout-instability/visible-to-hidden.html | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/testing/web-platform/tests/layout-instability/visible-to-hidden.html b/testing/web-platform/tests/layout-instability/visible-to-hidden.html new file mode 100644 index 0000000000..d6ac75a144 --- /dev/null +++ b/testing/web-platform/tests/layout-instability/visible-to-hidden.html @@ -0,0 +1,25 @@ +<!DOCTYPE html> +<title>Layout Instability: visibility:hidden</title> +<link rel="help" href="https://wicg.github.io/layout-instability/" /> +<div id="target" style="position: absolute; top: 0; width: 400px; height: 400px; background: blue;"></div> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="resources/util.js"></script> +<script> + +promise_test(async () => { + const watcher = new ScoreWatcher; + + // Wait for the initial render to complete. + await waitForAnimationFrames(2); + + // Shift target and make hidden at the same time. Should not be reported! + document.querySelector("#target").style.top = '200px'; + document.querySelector("#target").style.visibility = 'hidden'; + + await waitForAnimationFrames(2); + // No shift should be reported. + assert_equals(watcher.score, 0); +}, 'visible to hidden'); + +</script> |