diff -r 6031a0bc0ae2 -r da1e581c933b test/script/basic/assign.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/script/basic/assign.js	Fri Dec 21 16:36:24 2012 -0400
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ * 
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ * 
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ * 
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ * 
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * Assign test.
+ *
+ * @test
+ * @run 
+ */
+
+var x = 10;
+print(x += 10);
+print(x -= 5);
+print(x *= 100);
+print(x /= 10);
+print(x %= 7);
+
+var b = 0xff;
+print(b &= 0xf);
+print(b |= 0xf0);
+print(b ^= 0xf);
+print(b <<= 24);
+print(b >>= 24);
+print(b >>>= 16);
+
+var a = [1, 2, 3, 4, 5];
+print(a[2 + a[0]] += 10);
+
+var o = {a:10, b:20};
+print(o.a += 10);