1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/has/return-false-targetdesc-not-configurable.js b/js/src/tests/test262/built-ins/Proxy/has/return-false-targetdesc-not-configurable.js
new file mode 100644
index 0000000000..b77da04378
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/has/return-false-targetdesc-not-configurable.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.7
+description: >
+    A property cannot be reported as non-existent, if it exists as a
+    non-configurable own property of the target object.
+info: |
+    [[HasProperty]] (P)
+
+    ...
+    11. If booleanTrapResult is false, then
+        ...
+        c. If targetDesc is not undefined, then
+            i. If targetDesc.[[Configurable]] is false, throw a TypeError
+            exception.
+    ...
+features: [Proxy]
+---*/
+
+var target = {};
+var handler = {
+  has: function(t, prop) {
+    return 0;
+  }
+};
+var p = new Proxy(target, handler);
+
+Object.defineProperty(target, "attr", {
+  configurable: false,
+  value: 1
+});
+
+assert.throws(TypeError, function() {
+  "attr" in p;
+});
+
+reportCompare(0, 0);