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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 /layout/reftests/bugs/482592-1a-shadow.xhtml
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.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 'layout/reftests/bugs/482592-1a-shadow.xhtml')
-rw-r--r--layout/reftests/bugs/482592-1a-shadow.xhtml30
1 files changed, 30 insertions, 0 deletions
diff --git a/layout/reftests/bugs/482592-1a-shadow.xhtml b/layout/reftests/bugs/482592-1a-shadow.xhtml
new file mode 100644
index 0000000000..9ec624c1bf
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+++ b/layout/reftests/bugs/482592-1a-shadow.xhtml
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml" class="reftest-wait">
+ <head>
+ <script>
+ customElements.define("custom-element", class extends HTMLElement {
+ constructor() {
+ super();
+ const template = document.getElementById("template");
+ const shadowRoot = this.attachShadow({mode: "open"})
+ .appendChild(template.content.cloneNode(true));
+ }
+ });
+ function doTest() {
+ var l = document.getElementById("l");
+ l.parentNode.insertBefore(document.createTextNode("x"), l);
+ document.documentElement.removeAttribute("class");
+ }
+ </script>
+ </head>
+ <body onload="doTest()">
+ <template id="template">
+ <style>
+ #hasAfter::after { content: "y"; }
+ #l { display: none; }
+ </style>
+ <span id="hasAfter"><slot/></span>
+ </template>
+ <custom-element style="font-size: 300%; display:block;"><span id="l"></span></custom-element>
+ </body>
+</html>