summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-delete-2.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-delete-2.js')
-rwxr-xr-xjs/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-delete-2.js24
1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-delete-2.js b/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-delete-2.js
new file mode 100755
index 000000000..9a089eaac
--- /dev/null
+++ b/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonconfigurable-delete-2.js
@@ -0,0 +1,24 @@
+// 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. Variable is changed with SetMutableBinding.
+flags: [noStrict]
+---*/
+
+function argumentsAndDeleteSetMutableBinding(a) {
+ Object.defineProperty(arguments, "0", {configurable: false});
+
+ // Precondition: Delete is unsuccessful and doesn't affect mapping.
+ assert.sameValue(delete arguments[0], false);
+ assert.sameValue(a, 1);
+ assert.sameValue(arguments[0], 1);
+
+ a = 2;
+ assert.sameValue(a, 2);
+ assert.sameValue(arguments[0], 2);
+}
+argumentsAndDeleteSetMutableBinding(1);