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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/cssom/getComputedStyle-display-none-003.html
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.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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1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/cssom/getComputedStyle-display-none-003.html b/testing/web-platform/tests/css/cssom/getComputedStyle-display-none-003.html
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+++ b/testing/web-platform/tests/css/cssom/getComputedStyle-display-none-003.html
@@ -0,0 +1,26 @@
+<!doctype html>
+<title>style is invalidated properly as a result of attribute changes in display: none subtrees</title>
+<link rel="help" href="https://drafts.csswg.org/cssom/#dom-window-getcomputedstyle">
+<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
+<link rel="author" title="Mozilla" href="https://mozilla.org">
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<style>
+div {
+ color: red
+}
+.foo {
+ color: lime;
+}
+</style>
+<div style="display: none">
+ <div id="undisplayed"></div>
+</div>
+<script>
+ test(function() {
+ let undisplayed_style = getComputedStyle(undisplayed);
+ assert_equals(undisplayed_style.color, "rgb(255, 0, 0)");
+ undisplayed.classList.add("foo");
+ assert_equals(undisplayed_style.color, "rgb(0, 255, 0)");
+ }, "getComputedStyle gets invalidated in display: none subtrees due to attribute mutations");
+</script>