1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Reflect/preventExtensions/always-return-true-from-ordinary-object.js b/js/src/tests/test262/built-ins/Reflect/preventExtensions/always-return-true-from-ordinary-object.js
new file mode 100644
index 0000000000..2fd5603e85
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Reflect/preventExtensions/always-return-true-from-ordinary-object.js
@@ -0,0 +1,30 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 26.1.12
+description: >
+  Always returns true when target is an ordinary object.
+info: |
+  26.1.12 Reflect.preventExtensions ( target )
+
+  ...
+  2. Return target.[[PreventExtensions]]().
+
+  9.1.4 [[PreventExtensions]] ( )
+
+  1. Set the value of the [[Extensible]] internal slot of O to false.
+  2. Return true.
+features: [Reflect]
+---*/
+
+var o = {};
+assert.sameValue(
+  Reflect.preventExtensions(o), true,
+  'returns true after preventing extentions on an object'
+);
+assert.sameValue(
+  Reflect.preventExtensions(o), true,
+  'returns true even if the object already prevents extentions'
+);
+
+reportCompare(0, 0);