diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/Object-getOwnPropertyNames-01.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/Object-getOwnPropertyNames-01.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,28 @@
+// Basic getOwnPropertyNames tests.
+
+var g = newGlobal();
+var dbg = Debugger();
+var gobj = dbg.addDebuggee(g);
+
+function test(code) {
+    code = "(" + code + ");";
+    var expected = Object.getOwnPropertyNames(eval(code));
+    g.eval("obj = " + code);
+    var actual = gobj.getOwnPropertyDescriptor("obj").value.getOwnPropertyNames();
+    assertEq(JSON.stringify(actual.sort()), JSON.stringify(expected.sort()));
+}
+
+test("{}");
+test("{a: 0, b: 1}");
+test("{'name with space': 0}");
+test("{get x() {}, set y(v) {}}");
+test("{get x() { throw 'fit'; }}");
+test("Object.create({a: 1})");
+test("Object.create({get a() {}, set a(v) {}})");
+test("(function () { var x = {a: 0, b: 1}; delete a; return x; })()");
+test("Object.create(null, {x: {value: 0}})");
+test("[]");
+test("[0, 1, 2]");
+test("[,,,,,]");
+test("/a*a/");
+test("function () {}");