diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/proxy/testDirectProxyGetOwnPropertyNames2.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/proxy/testDirectProxyGetOwnPropertyNames2.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,16 @@
+/*
+ * Call the trap with the handler as the this value, and the target as the first
+ * argument
+ */
+var target = {};
+var called = false;
+var handler = {
+    getOwnPropertyNames: function (target1) {
+        assertEq(this, handler);
+        assertEq(target1, target);
+        called = true;
+        return [];
+    }
+};
+assertEq(Object.getOwnPropertyNames(new Proxy(target, handler)).length, 0);
+assertEq(called, true);