1175823 - Import test262 mapped arguments tests.

1 files changed, 19 insertions, 0 deletions

diff --git a/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-2.js b/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-2.js
new file mode 100755
index 000000000..265481e01
--- /dev/null
+++ b/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-2.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: Mapped arguments object with non-configurable property
+description: >
+    Mapping works when property is non-configurable, variable is
+    changed with SetMutableBinding.
+flags: [noStrict]
+---*/
+
+function argumentsAndSetMutableBinding(a) {
+  Object.defineProperty(arguments, "0", {configurable: false});
+
+  a = 2;
+  assert.sameValue(a, 2);
+  assert.sameValue(arguments[0], 2);
+}
+argumentsAndSetMutableBinding(1);