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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/css/css-position/position-absolute-container-dynamic-002.html
parentInitial commit. (diff)
downloadthunderbird-upstream.tar.xz
thunderbird-upstream.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-position/position-absolute-container-dynamic-002.html')
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1 files changed, 47 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-position/position-absolute-container-dynamic-002.html b/testing/web-platform/tests/css/css-position/position-absolute-container-dynamic-002.html
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+++ b/testing/web-platform/tests/css/css-position/position-absolute-container-dynamic-002.html
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<title>CSS Position Absolute: dynamic changes to containing block height</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://bugs.chromium.org/p/chromium/issues/detail?id=933054">
+<meta name="assert" content="Chrome regression: abspos descendant responds to containing block size change through line items">
+<style>
+
+#container {
+ position: relative;
+}
+#intermediate {
+ overflow: hidden;
+ width:200px;
+ height:200px;
+ background:red;
+}
+#block {
+ height:200px;
+ background:green;
+}
+#target {
+ position: absolute;
+ width: 200px;
+ height: 100px;
+ background:green;
+}
+</style>
+<!-- Test for crbug.com/933054
+ Relayout optimizations cause OOF descendant not to be
+ repositioned
+-->
+<div id="container">
+ <div id="intermediate">
+ <div id="block"></div>
+ <div id="target"></div>
+ </div>
+</div>
+
+<script>
+document.body.offsetTop;
+test(() => {
+ document.getElementById("block").style.height = "100px";
+ assert_equals(document.querySelector("#target").offsetTop, 100);
+}, '#target static position responded to parent relayout');
+</script>