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-rw-r--r--js/src/tests/test262/built-ins/Proxy/getOwnPropertyDescriptor/result-is-undefined.js31
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/getOwnPropertyDescriptor/result-is-undefined.js b/js/src/tests/test262/built-ins/Proxy/getOwnPropertyDescriptor/result-is-undefined.js
new file mode 100644
index 0000000000..4029362b98
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/getOwnPropertyDescriptor/result-is-undefined.js
@@ -0,0 +1,31 @@
+// 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 undefined if trap result is undefined and target is extensible and
+ the target property descriptor is configurable.
+info: |
+ [[GetOwnProperty]] (P)
+
+ ...
+ 14. If trapResultObj is undefined, then
+ ...
+ f. Return undefined.
+ ...
+features: [Proxy]
+---*/
+
+var target = {
+ attr: 1
+};
+
+var p = new Proxy(target, {
+ getOwnPropertyDescriptor: function(t, prop) {
+ return;
+ }
+});
+
+assert.sameValue(Object.getOwnPropertyDescriptor(p, "attr"), undefined);
+
+reportCompare(0, 0);