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-rw-r--r--js/src/tests/test262/built-ins/Proxy/get/not-same-value-configurable-false-writable-false-throws.js40
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diff --git a/js/src/tests/test262/built-ins/Proxy/get/not-same-value-configurable-false-writable-false-throws.js b/js/src/tests/test262/built-ins/Proxy/get/not-same-value-configurable-false-writable-false-throws.js
new file mode 100644
index 0000000000..790bf1997d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/get/not-same-value-configurable-false-writable-false-throws.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.8
+description: >
+ Throws if proxy return has not the same value for a non-writable,
+ non-configurable property
+info: |
+ [[Get]] (P, Receiver)
+
+ 13. If targetDesc is not undefined, then
+ a. If IsDataDescriptor(targetDesc) and targetDesc.[[Configurable]] is
+ false and targetDesc.[[Writable]] is false, then
+ i. If SameValue(trapResult, targetDesc.[[Value]]) is false, throw a
+ TypeError exception.
+features: [Proxy]
+---*/
+
+var target = {};
+var p = new Proxy(target, {
+ get: function() {
+ return 2;
+ }
+});
+
+Object.defineProperty(target, 'attr', {
+ configurable: false,
+ writable: false,
+ value: 1
+});
+
+assert.throws(TypeError, function() {
+ p.attr;
+});
+
+assert.throws(TypeError, function() {
+ p['attr'];
+});
+
+reportCompare(0, 0);