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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/css-scroll-anchoring/descend-into-container-with-float.html
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
firefox-upstream.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/testing/web-platform/tests/css/css-scroll-anchoring/descend-into-container-with-float.html b/testing/web-platform/tests/css/css-scroll-anchoring/descend-into-container-with-float.html
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+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<style>
+
+body { height: 4000px; }
+#outer { width: 300px; }
+#outer:after { content: " "; clear:both; display: table; }
+#float {
+ float: left; background-color: #ccc;
+ height: 500px; width: 100%;
+}
+#inner { height: 100px; background-color: green; }
+
+</style>
+<div id="outer">
+ <div id="zeroheight">
+ <div id="float">
+ <div id="changer"></div>
+ <div id="inner"></div>
+ </div>
+ </div>
+</div>
+<div>after</div>
+<script>
+
+// Tests that we descend into zero-height containers that have floating content.
+
+test(() => {
+ document.scrollingElement.scrollTop = 50;
+ assert_equals(document.querySelector("#zeroheight").offsetHeight, 0);
+ document.querySelector("#changer").style.height = "50px";
+ assert_equals(document.scrollingElement.scrollTop, 100);
+}, "Zero-height container with float.");
+
+</script>