1 files changed, 51 insertions, 0 deletions
diff --git a/js/xpconnect/tests/chrome/test_bug596580.xhtml b/js/xpconnect/tests/chrome/test_bug596580.xhtml
new file mode 100644
index 0000000000..12be180412
--- /dev/null
+++ b/js/xpconnect/tests/chrome/test_bug596580.xhtml
@@ -0,0 +1,51 @@
+<?xml version="1.0"?>
+<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
+<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
+                 type="text/css"?>
+<window title="Mozilla Bug 596580"
+  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=596580"
+     target="_blank">Mozilla Bug 596580</a>
+  </body>
+
+  <!-- test code goes here -->
+  <script type="application/javascript"><![CDATA[
+    SimpleTest.waitForExplicitFinish();
+
+    function init() {
+      var f = new Function("let test = 'let is ok'; return test;");
+      is(f(), 'let is ok', 'let should be ok');
+      SimpleTest.finish();
+    }
+
+    (async () => {
+      await SpecialPowers.pushPrefEnv({"set": [["security.allow_eval_with_system_principal",
+                                               true]]});
+      Test = {
+        include: function(p) {
+          var sawError = false;
+          try {
+            Cc["@mozilla.org/moz/jssubscript-loader;1"].
+              getService(Ci["mozIJSSubScriptLoader"]).
+              loadSubScript(p);
+          } catch (e) {
+            sawError = true;
+          }
+          ok(sawError, 'should receive an error loading a not-found file');
+        }
+      };
+
+      // If the include method is defined as a global function, it works.
+      // try to load a non existing file to produce the error
+      Test.include("notfound.js");
+
+      // If init is called directly, it works.
+      setTimeout('init();', 0);
+    })();
+
+  ]]></script>
+</window>