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Diffstat (limited to 'testing/web-platform/tests/css/css-box/margin-trim/computed-margin-values/flexbox-column-style-change-triggers-layout-block-start.html')
-rw-r--r-- | testing/web-platform/tests/css/css-box/margin-trim/computed-margin-values/flexbox-column-style-change-triggers-layout-block-start.html | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-box/margin-trim/computed-margin-values/flexbox-column-style-change-triggers-layout-block-start.html b/testing/web-platform/tests/css/css-box/margin-trim/computed-margin-values/flexbox-column-style-change-triggers-layout-block-start.html new file mode 100644 index 0000000000..175b5c3f2f --- /dev/null +++ b/testing/web-platform/tests/css/css-box/margin-trim/computed-margin-values/flexbox-column-style-change-triggers-layout-block-start.html @@ -0,0 +1,42 @@ +<!DOCTYPE html> +<html> +<head> +<link rel="author" href="mailto:sammy.gill@apple.com"> +<link rel="help" href="https://drafts.csswg.org/css-box-4/#margin-trim-flex"> +<meta name="assert" content="Make sure margins are no longer trimmed when margin-trim is changed to none on the flexbox"> +<style> +flexbox { + display: flex; + flex-direction: column; + width: min-content; + margin-trim: block-start; +} +item { + display: block; + background-color: green; + width: 50px; + height: 50px; + margin-block-start: 10px; +} +</style> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/resources/check-layout-th.js"></script> +</head> +<body> +<div id="target"> +<flexbox> + <item data-expected-margin-top="10" data-offset-y="18"></item> + <item data-expected-margin-top="10" data-offset-y="78"></item> +</flexbox> +</div> +<script> +// Force the first layout to trim margins, set margin-trim to none, +// force a second layout, and then check to see if the margins were added back +document.body.offsetHeight; +document.querySelector("flexbox").style["margin-trim"] = "none"; +document.body.offsetHeight; +checkLayout("flexbox > item"); +</script> +</body> +</html> |