1 files changed, 43 insertions, 0 deletions
diff --git a/dom/tests/mochitest/webcomponents/test_custom_element_callback_innerhtml.html b/dom/tests/mochitest/webcomponents/test_custom_element_callback_innerhtml.html
new file mode 100644
index 0000000000..c8a8d872ed
--- /dev/null
+++ b/dom/tests/mochitest/webcomponents/test_custom_element_callback_innerhtml.html
@@ -0,0 +1,43 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1102502
+-->
+<head>
+  <title>Test for connected callback for element created in the document by the parser</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1102502">Bug 1102502</a>
+<div id="container"></div>
+
+<script>
+
+SimpleTest.waitForExplicitFinish();
+
+var connectedCallbackCount = 0;
+
+class Foo extends HTMLElement {
+  connectedCallback() {
+    ok(true, "connectedCallback should be called when the parser creates an element in the document.");
+    connectedCallbackCount++;
+    // connectedCallback should be called twice, once for the element created for innerHTML and
+    // once for the element created in this document.
+    if (connectedCallbackCount == 2) {
+      SimpleTest.finish();
+    }
+  }
+};
+
+customElements.define("x-foo", Foo);
+
+var container = document.getElementById("container");
+container.innerHTML = '<x-foo></x-foo>';
+
+</script>
+
+<x-foo></x-foo>
+
+</body>
+</html>