1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/isExtensible/return-is-boolean.js b/js/src/tests/test262/built-ins/Proxy/isExtensible/return-is-boolean.js
new file mode 100644
index 0000000000..127251ac8a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Proxy/isExtensible/return-is-boolean.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.3
+description: >
+    The trap returns a boolean result.
+features: [Proxy]
+---*/
+
+var target = {};
+var p = new Proxy(target, {
+  isExtensible: function(t) {
+    if (Object.isExtensible(t)) {
+      return 1;
+    } else {
+      return 0;
+    }
+  }
+});
+
+assert.sameValue(Object.isExtensible(p), true);
+
+Object.preventExtensions(target);
+
+assert.sameValue(Object.isExtensible(p), false);
+
+reportCompare(0, 0);