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-rw-r--r--layout/reftests/bugs/348049-1.xhtml26
1 files changed, 26 insertions, 0 deletions
diff --git a/layout/reftests/bugs/348049-1.xhtml b/layout/reftests/bugs/348049-1.xhtml
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--- /dev/null
+++ b/layout/reftests/bugs/348049-1.xhtml
@@ -0,0 +1,26 @@
+<html xmlns="http://www.w3.org/1999/xhtml"
+ class="reftest-wait">
+ <head>
+ <script><![CDATA[
+ customElements.define("custom-td", class extends HTMLDivElement {
+ constructor() {
+ super();
+ this.attachShadow({ mode: "open" });
+ let td = document.createElement('td');
+ td.append(document.createElement('slot'));
+ this.shadowRoot.append(td);
+ }
+ }, {
+ extends: "div",
+ });
+ function f1() {
+ document.getElementById("outer")
+ .appendChild(document.createTextNode("PASS"));
+ document.documentElement.className = "";
+ }
+ ]]></script>
+ </head>
+ <body onload="f1();">
+ <div is="custom-td" id="outer"></div>
+ </body>
+</html>