1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/testDirectProxyValidateProperty2.js b/js/src/jit-test/tests/proxy/testDirectProxyValidateProperty2.js
new file mode 100644
index 0000000000..b027c68804
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxyValidateProperty2.js
@@ -0,0 +1,39 @@
+load(libdir + "asserts.js");
+
+/*
+ * Throw a TypeError if the enumerable fields of the current descriptor and the
+ * descriptor returned by the trap are the boolean negation of each other
+ */
+var target = {};
+Object.defineProperty(target, 'foo', {
+    configurable: false,
+    enumerable: true
+});
+var caught = false;
+assertThrowsInstanceOf(function () { 
+    Object.getOwnPropertyDescriptor(new Proxy(target, {
+        getOwnPropertyDescriptor: function (target, name) {
+            return {
+                configurable: false,
+                enumerable: false
+            };
+        }
+    }), 'foo');
+}, TypeError);
+
+var target = {};
+Object.defineProperty(target, 'foo', {
+    configurable: false,
+    enumerable: false
+});
+var caught = false;
+assertThrowsInstanceOf(function () { 
+    Object.getOwnPropertyDescriptor(new Proxy(target, {
+        getOwnPropertyDescriptor: function (target, name) {
+            return {
+                configurable: false,
+                enumerable: true
+            };
+        }
+    }), 'foo');
+}, TypeError);