1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/getOwnPropertyDescriptor/resultdesc-return-not-configurable.js b/js/src/tests/test262/built-ins/Proxy/getOwnPropertyDescriptor/resultdesc-return-not-configurable.js
new file mode 100644
index 0000000000..9c6bd04c92
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/getOwnPropertyDescriptor/resultdesc-return-not-configurable.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.5
+description: >
+    Return descriptor from trap result if it has the same value as the target
+    property descriptor and they're not configurable.
+features: [Proxy]
+---*/
+
+var target = {};
+
+Object.defineProperty(target, "attr", {
+  configurable: false,
+  enumerable: true,
+  value: 1
+});
+
+var p = new Proxy(target, {
+  getOwnPropertyDescriptor: function(t, prop) {
+    return Object.getOwnPropertyDescriptor(t, prop);
+  }
+});
+
+var proxyDesc = Object.getOwnPropertyDescriptor(p, "attr");
+
+assert.sameValue(proxyDesc.configurable, false);
+assert(proxyDesc.enumerable);
+assert.sameValue(proxyDesc.value, 1);
+assert.sameValue(proxyDesc.writable, false);
+
+reportCompare(0, 0);