1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-by-iterable.js b/js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-by-iterable.js
new file mode 100644
index 0000000000..f8ca96cf0b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/size/returns-count-of-present-values-by-iterable.js
@@ -0,0 +1,28 @@
+// 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-get-map.prototype.size
+description: >
+  Returns count of present values inserted via iterable argument.
+info: |
+  get Map.prototype.size
+
+  5. Let count be 0.
+  6. For each Record {[[key]], [[value]]} p that is an element of entries
+    a. If p.[[key]] is not empty, set count to count+1.
+features: [Symbol]
+---*/
+
+var map = new Map([
+  [0, undefined],
+  [undefined, undefined],
+  [false, undefined],
+  [NaN, undefined],
+  [null, undefined],
+  ['', undefined],
+  [Symbol(), undefined],
+]);
+
+assert.sameValue(map.size, 7, 'The value of `map.size` is `7`');
+
+reportCompare(0, 0);