1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/replaces-a-value-returns-map.js b/js/src/tests/test262/built-ins/Map/prototype/set/replaces-a-value-returns-map.js
new file mode 100644
index 0000000000..b7f0e18909
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/replaces-a-value-returns-map.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.set
+description: >
+  Map.prototype.set returns the given `this` map object.
+info: |
+  Map.prototype.set ( key , value )
+
+  1. Let M be the this value.
+  ...
+  5. Repeat for each Record {[[key]], [[value]]} p that is an element of
+  entries,
+    a. If p.[[key]] is not empty and SameValueZero(p.[[key]], key) is true, then
+      i. Set p.[[value]] to value.
+      ii. Return M.
+  ...
+---*/
+
+var map = new Map([['item', 0]]);
+var map2 = new Map();
+
+var x = map.set('item', 42);
+assert.sameValue(x, map);
+
+x = Map.prototype.set.call(map, 'item', 0);
+assert.sameValue(x, map);
+
+x = map2.set.call(map, 'item', 0);
+assert.sameValue(x, map, 'Map#set returns the map `this` value');
+
+reportCompare(0, 0);