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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/css/css-position/position-absolute-container-dynamic.html
parentInitial commit. (diff)
downloadfirefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz
firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+++ 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>