1 files changed, 58 insertions, 0 deletions
diff --git a/js/xpconnect/tests/chrome/test_bug503926.xhtml b/js/xpconnect/tests/chrome/test_bug503926.xhtml
new file mode 100644
index 0000000000..cfe6315fd8
--- /dev/null
+++ b/js/xpconnect/tests/chrome/test_bug503926.xhtml
@@ -0,0 +1,58 @@
+<?xml version="1.0"?>
+<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
+<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=503926
+-->
+<window title="Mozilla Bug 503926"
+        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+
+  <!-- test results are displayed in the html:body -->
+  <body xmlns="http://www.w3.org/1999/xhtml">
+  <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=503926"
+     target="_blank">Mozilla Bug 503926</a>
+
+  <iframe id="ifr" type="content" onload="loaded()" src="bug503926.xhtml#iframe"/>
+  <iframe id="ifrContent" type="content" onload="loaded()" src="http://example.org/tests/js/xpconnect/tests/mochitest/file_empty.html"/>
+  </body>
+
+  <!-- test code goes here -->
+  <script type="application/javascript">
+  <![CDATA[
+
+  SimpleTest.expectAssertions(0, 1);
+
+  var gLoadCount = 0;
+  function loaded() {
+    if (++gLoadCount == 2)
+      go();
+  }
+
+  /** Test for Bug 503926 **/
+  function go() {
+    var gWindowUtils = window.windowUtils;
+
+    // Try with a chrome object.
+    var passed = false;
+    // eslint-disable-next-line mozilla/use-chromeutils-generateqi
+    var obj = { QueryInterface() { passed = true; } };
+    gWindowUtils.xpconnectArgument(obj);
+    ok(passed, "trusted QIs should be called");
+
+    // Try with a content object.
+    var contentWin = $('ifrContent').contentWindow.wrappedJSObject;
+    contentWin.passed = false;
+    var contentObj = contentWin.eval('({ QueryInterface: function() { passed = true; } })');
+    gWindowUtils.xpconnectArgument(contentObj);
+    ok(!contentWin.passed, "untrusted QI should not be called");
+
+    // Try with a dialog.
+    window.browsingContext.topChromeWindow.openDialog("bug503926.xhtml", "chromeDialog", "modal", window);
+    SimpleTest.finish();
+  }
+
+  SimpleTest.waitForExplicitFinish();
+  ]]>
+  </script>
+</window>