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1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-strict-delete-4.js b/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-strict-delete-4.js
new file mode 100755
index 000000000..b48018843
--- /dev/null
+++ b/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-strict-delete-4.js
@@ -0,0 +1,26 @@
+// 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, arguments property
+ was not deleted. [[Delete]] operations throws TypeError if called
+ from strict-mode code. Arguments property is changed with [[Set]].
+flags: [noStrict]
+---*/
+
+function argumentsAndStrictDeleteSet(a) {
+ Object.defineProperty(arguments, "0", {configurable: false});
+
+ // Precondition: Delete is unsuccessful and doesn't affect mapping.
+ var args = arguments;
+ assert.throws(TypeError, function() { "use strict"; delete args[0]; });
+ assert.sameValue(a, 1);
+ assert.sameValue(arguments[0], 1);
+
+ arguments[0] = 2;
+ assert.sameValue(a, 2);
+ assert.sameValue(arguments[0], 2);
+}
+argumentsAndStrictDeleteSet(1);