1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/assign/Override.js b/js/src/tests/test262/built-ins/Object/assign/Override.js
new file mode 100644
index 0000000000..af125dcca7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/assign/Override.js
@@ -0,0 +1,37 @@
+// Copyright 2015 Microsoft Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+description: Test Object.Assign(target,...sources).
+esid: sec-object.assign
+---*/
+
+//"a" will be an property of the final object and the value should be 1
+var target = {
+  a: 1
+};
+/*
+"1a2c3" have own enumerable properties, so it Should be wrapped to objects;
+{b:6} is an object,should be assigned to final object.
+undefined and null should be ignored;
+125 is a number,it cannot has own enumerable properties;
+{a:"c"},{a:5} will override property a, the value should be 5.
+*/
+var result = Object.assign(target, "1a2c3", {
+  a: "c"
+}, undefined, {
+  b: 6
+}, null, 125, {
+  a: 5
+});
+
+assert.sameValue(Object.getOwnPropertyNames(result).length, 7, "The length should be 7 in the final object.");
+assert.sameValue(result.a, 5, "The value should be {a:5}.");
+assert.sameValue(result[0], "1", "The value should be {\"0\":\"1\"}.");
+assert.sameValue(result[1], "a", "The value should be {\"1\":\"a\"}.");
+assert.sameValue(result[2], "2", "The value should be {\"2\":\"2\"}.");
+assert.sameValue(result[3], "c", "The value should be {\"3\":\"c\"}.");
+assert.sameValue(result[4], "3", "The value should be {\"4\":\"3\"}.");
+assert.sameValue(result.b, 6, "The value should be {b:6}.");
+
+reportCompare(0, 0);