1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/prototype/toString/symbol-tag-non-str.js b/js/src/tests/test262/built-ins/Object/prototype/toString/symbol-tag-non-str.js
new file mode 100644
index 0000000000..1269aba399
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/prototype/toString/symbol-tag-non-str.js
@@ -0,0 +1,44 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    Non-string values of `Symbol.toStringTag` property are ignored
+es6id: 19.1.3.6
+info: |
+    16. Let tag be Get (O, @@toStringTag).
+    17. ReturnIfAbrupt(tag).
+    18. If Type(tag) is not String, let tag be builtinTag.
+    19. Return the String that is the result of concatenating "[object ", tag,
+        and "]".
+features: [Symbol.toStringTag]
+---*/
+
+var custom = {};
+
+custom[Symbol.toStringTag] = undefined;
+assert.sameValue(Object.prototype.toString.call(custom), '[object Object]');
+
+custom[Symbol.toStringTag] = null;
+assert.sameValue(Object.prototype.toString.call(custom), '[object Object]');
+
+custom[Symbol.toStringTag] = Symbol.toStringTag;
+assert.sameValue(Object.prototype.toString.call(custom), '[object Object]');
+
+custom[Symbol.toStringTag] = 86;
+assert.sameValue(Object.prototype.toString.call(custom), '[object Object]');
+
+custom[Symbol.toStringTag] = new String('test262');
+assert.sameValue(Object.prototype.toString.call(custom), '[object Object]');
+
+custom[Symbol.toStringTag] = {};
+assert.sameValue(Object.prototype.toString.call(custom), '[object Object]');
+
+custom[Symbol.toStringTag] = {
+  toString: function() {
+    return 'str';
+  }
+};
+assert.sameValue(Object.prototype.toString.call(custom), '[object Object]');
+
+reportCompare(0, 0);