diff options
Diffstat (limited to 'js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonwritable-nonconfigurable-4.js')
-rwxr-xr-x | js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonwritable-nonconfigurable-4.js | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonwritable-nonconfigurable-4.js b/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonwritable-nonconfigurable-4.js new file mode 100755 index 000000000..ea40a49a8 --- /dev/null +++ b/js/src/tests/test262/language/arguments-object/mapped/mapped-arguments-nonwritable-nonconfigurable-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: > + Mapped arguments property is changed to non-writable and + non-configurable. Perform property attribute changes with two + [[DefineOwnProperty]] calls. Add intervening call to + [[DefineOwnProperty]]. +flags: [noStrict] +---*/ + +function argumentsNonWritableThenNonConfigurableWithInterveningDefineOwnProperty(a) { + Object.defineProperty(arguments, "0", {writable: false}); + Object.defineProperty(arguments, "0", {value: 2}); + Object.defineProperty(arguments, "0", {configurable: false}); + assert.sameValue(a, 1); + assert.sameValue(arguments[0], 2); + + // Postcondition: Arguments mapping is removed. + a = 3; + assert.sameValue(a, 3); + assert.sameValue(arguments[0], 2); +} +argumentsNonWritableThenNonConfigurableWithInterveningDefineOwnProperty(1); |