1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Map/prototype/set/append-new-values.js b/js/src/tests/test262/built-ins/Map/prototype/set/append-new-values.js
new file mode 100644
index 0000000000..f567db5d72
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/set/append-new-values.js
@@ -0,0 +1,49 @@
+// 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: >
+  Append a new value as the last element of entries.
+info: |
+  Map.prototype.set ( key , value )
+
+  ...
+  6. If key is −0, let key be +0.
+  7. Let p be the Record {[[key]]: key, [[value]]: value}.
+  8. Append p as the last element of entries.
+  9. Return M.
+  ...
+features: [Symbol]
+---*/
+
+var s = Symbol(2);
+var map = new Map([[4, 4], ['foo3', 3], [s, 2]]);
+
+map.set(null, 42);
+map.set(1, 'valid');
+
+assert.sameValue(map.size, 5);
+assert.sameValue(map.get(1), 'valid');
+
+var results = [];
+
+map.forEach(function(value, key) {
+  results.push({
+    value: value,
+    key: key
+  });
+});
+
+var result = results.pop();
+assert.sameValue(result.value, 'valid');
+assert.sameValue(result.key, 1);
+
+result = results.pop();
+assert.sameValue(result.value, 42);
+assert.sameValue(result.key, null);
+
+result = results.pop();
+assert.sameValue(result.value, 2);
+assert.sameValue(result.key, s);
+
+reportCompare(0, 0);