1 files changed, 24 insertions, 0 deletions
diff --git a/test/built-ins/Proxy/has/return-false-target-prop-exists.js b/test/built-ins/Proxy/has/return-false-target-prop-exists.js
new file mode 100644
index 000000000..eff332a66
--- /dev/null
+++ b/test/built-ins/Proxy/has/return-false-target-prop-exists.js
@@ -0,0 +1,24 @@
+// 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: >
+    The result of [[HasProperty]] is a Boolean value and will affect has
+    checkings. False returned when target property exists;
+info: >
+    [[HasProperty]] (P)
+
+    ...
+    12. Return booleanTrapResult.
+---*/
+
+var target = {
+    attr: 1
+};
+var p = new Proxy(target, {
+    has: function(t, prop) {
+        return false;
+    }
+});
+
+assert.sameValue(("attr" in p), false);