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Diffstat (limited to '')
| -rw-r--r-- | testing/web-platform/tests/layout-instability/content-visibility-auto-onscreen.html | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/testing/web-platform/tests/layout-instability/content-visibility-auto-onscreen.html b/testing/web-platform/tests/layout-instability/content-visibility-auto-onscreen.html new file mode 100644 index 0000000000..a7fbd92995 --- /dev/null +++ b/testing/web-platform/tests/layout-instability/content-visibility-auto-onscreen.html @@ -0,0 +1,27 @@ +<!DOCTYPE html> +<title>Layout Instability: on-screen content-visibility:auto content</title> +<link rel="help" href="https://wicg.github.io/layout-instability/" /> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="resources/util.js"></script> +<script> +// These scripts need to be before the contents because we need to ensure no +// layout shifts during page load. +promise_test(async () => { + const watcher = new ScoreWatcher; + + // Wait for the initial render to complete. + await waitForAnimationFrames(2); + assert_equals(watcher.score, 0); +}, 'on-screen content-visibility:auto'); +</script> +<style> + #target { + content-visibility: auto; + contain-intrinsic-size: 1px; + width: 100px; + } +</style> +<div id=target> + <div style="width: 100px; height: 100px; background: blue"></div> +</div> |