1 files changed, 30 insertions, 0 deletions
diff --git a/dom/browser-element/mochitest/browserElement_RemoveBrowserElement.js b/dom/browser-element/mochitest/browserElement_RemoveBrowserElement.js
new file mode 100644
index 000000000..583d58734
--- /dev/null
+++ b/dom/browser-element/mochitest/browserElement_RemoveBrowserElement.js
@@ -0,0 +1,30 @@
+/* Any copyright is dedicated to the public domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Bug 787517: Remove iframe in the handler of showmodalprompt. This shouldn't
+// cause an exception to be thrown.
+
+"use strict";
+
+SimpleTest.waitForExplicitFinish();
+browserElementTestHelpers.setEnabledPref(true);
+browserElementTestHelpers.addPermission();
+
+function runTest() {
+  var iframe = document.createElement('iframe');
+  iframe.setAttribute('mozbrowser', 'true');
+  document.body.appendChild(iframe);
+
+  iframe.addEventListener("mozbrowsershowmodalprompt", function(e) {
+    document.body.removeChild(iframe);
+    SimpleTest.executeSoon(function() {
+      ok(true);
+      SimpleTest.finish();
+    });
+  });
+
+  iframe.src = "data:text/html,<html><body><script>alert(\"test\")</script>" +
+               "</body></html>";
+}
+
+addEventListener('testready', runTest);