1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/set/return-true-target-property-is-not-configurable.js b/js/src/tests/test262/built-ins/Proxy/set/return-true-target-property-is-not-configurable.js
new file mode 100644
index 0000000000..6d0ed0f8f1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/set/return-true-target-property-is-not-configurable.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.9
+description: >
+    [[Set]] ( P, V, Receiver)
+
+    Returns true if trap returns true and target property is not configurable
+    but writable.
+features: [Proxy, Reflect, Reflect.set]
+---*/
+
+var target = {};
+var handler = {
+  set: function(t, prop, value, receiver) {
+    return true;
+  }
+};
+var p = new Proxy(target, handler);
+
+Object.defineProperty(target, 'attr', {
+  configurable: false,
+  writable: true,
+  value: 'foo'
+});
+
+assert(Reflect.set(p, "attr", 1));
+
+reportCompare(0, 0);