1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/preventExtensions/return-true-target-is-not-extensible.js b/js/src/tests/test262/built-ins/Proxy/preventExtensions/return-true-target-is-not-extensible.js
new file mode 100644
index 0000000000..35966b8acc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/preventExtensions/return-true-target-is-not-extensible.js
@@ -0,0 +1,21 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.4
+description: >
+    Return boolean trap result if its true and target is not extensible.
+features: [Proxy, Reflect]
+---*/
+
+var target = {};
+var p = new Proxy(target, {
+  preventExtensions: function(t) {
+    return 1;
+  }
+});
+
+Object.preventExtensions(target);
+
+assert(Reflect.preventExtensions(p));
+
+reportCompare(0, 0);