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Diffstat (limited to 'testing/web-platform/tests/css/css-position/position-absolute-container-dynamic.html')
-rw-r--r-- | testing/web-platform/tests/css/css-position/position-absolute-container-dynamic.html | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-position/position-absolute-container-dynamic.html b/testing/web-platform/tests/css/css-position/position-absolute-container-dynamic.html new file mode 100644 index 0000000000..711d31766d --- /dev/null +++ b/testing/web-platform/tests/css/css-position/position-absolute-container-dynamic.html @@ -0,0 +1,35 @@ +<!DOCTYPE html> +<title>CSS Position Absolute: dynamic changes to containing block width</title> +<link rel="author" href="mailto:atotic@google.com"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<link rel="help" href="https://www.w3.org/TR/css-position-3/#abs-non-replaced-width"> +<meta name="assert" content="abspos descendant responds to containing block size change"> +<style> + +#container { + position: relative; + width: 50px; + height: 100px; + background: red; +} +#target { + position: absolute; + left: 0; + width: 100%; + height: 100%; + background: green; +} +</style> +<div id="container"> + <div style="display:flex;"> + <div id="target"></div> + </div> +</div> +<script> +document.body.offsetTop; +test(() => { + document.getElementById("container").style.width = "100px"; + assert_equals(document.querySelector("#target").offsetWidth, 100); +}, '#target used container width when computing size'); +</script> |