1 files changed, 51 insertions, 0 deletions
diff --git a/dom/plugins/test/mochitest/test_instance_unparent1.html b/dom/plugins/test/mochitest/test_instance_unparent1.html
new file mode 100644
index 000000000..5a11dc588
--- /dev/null
+++ b/dom/plugins/test/mochitest/test_instance_unparent1.html
@@ -0,0 +1,51 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Test removing an instance's DOM node</title>
+  <script type="text/javascript" src="/MochiKit/packed.js"></script>
+  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="text/javascript" src="plugin-utils.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body onload="startTest()">
+  <script type="application/javascript;version=1.8">
+  SimpleTest.waitForExplicitFinish();
+  setTestPluginEnabledState(SpecialPowers.Ci.nsIPluginTag.STATE_ENABLED);
+
+  const MAX_ATTEMPTS = 50;
+  var attempts = 0;
+  var destroyed = false;
+  function onDestroy() {
+    destroyed = true;
+  }
+
+  function checkPluginAlreadyDestroyed() {
+    // We may need to retry a few times until the plugin stop event makes
+    // its way through the event queue.
+    if (attempts < MAX_ATTEMPTS && !destroyed) {
+      ++attempts;
+      SimpleTest.executeSoon(checkPluginAlreadyDestroyed);
+    } else {
+      info("Number of retry attempts: " + attempts);
+      is(destroyed, true, "Plugin instance should have been destroyed.");
+      SimpleTest.finish();
+    }
+  }
+
+  function startTest() {
+    var p1 = document.getElementById('plugin1');
+    var d1 = document.getElementById('div1');
+
+    p1.callOnDestroy(onDestroy);
+    d1.removeChild(p1);
+    SimpleTest.executeSoon(checkPluginAlreadyDestroyed);
+  }
+  </script>
+
+  <p id="display"></p>
+
+  <div id="div1">
+    <embed id="plugin1" type="application/x-test" width="200" height="200"></embed>
+  </div>
+</body>
+</html>