1 files changed, 7 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_bug845862.js b/js/xpconnect/tests/unit/test_bug845862.js
new file mode 100644
index 0000000000..41d799803f
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_bug845862.js
@@ -0,0 +1,7 @@
+function run_test() {
+  var sb = new Cu.Sandbox('http://www.example.com');
+  Cu.evalInSandbox("this.foo = {}; Object.defineProperty(foo, 'bar', {get: function() {return {};}});", sb);
+  var desc = Object.getOwnPropertyDescriptor(Cu.waiveXrays(sb.foo), 'bar');
+  var b = desc.get();
+  Assert.ok(b != XPCNativeWrapper(b), "results from accessor descriptors are waived");
+}