1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/prototype/__proto__/set-non-extensible.js b/js/src/tests/test262/built-ins/Object/prototype/__proto__/set-non-extensible.js
new file mode 100644
index 0000000000..f0bb8212c7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/prototype/__proto__/set-non-extensible.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-object.prototype.__proto__
+es6id: B.2.2.1
+description: Called on an non-extensible object
+info: |
+    [...]
+    4. Let status be ? O.[[SetPrototypeOf]](proto).
+    5. If status is false, throw a TypeError exception.
+
+    9.1.2.1 OrdinarySetPrototypeOf
+
+    [...]
+    2. Let extensible be the value of the [[Extensible]] internal slot of O.
+    3. Let current be the value of the [[Prototype]] internal slot of O.
+    4. If SameValue(V, current) is true, return true.
+    5. If extensible is false, return false.
+features: [__proto__]
+---*/
+
+var proto = {};
+var subject = Object.create(proto);
+
+Object.preventExtensions(subject);
+
+subject.__proto__ = proto;
+
+assert.throws(TypeError, function() {
+  subject.__proto__ = {};
+});
+
+assert.sameValue(Object.getPrototypeOf(subject), proto);
+
+reportCompare(0, 0);