diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-283.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-283.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-283.js b/js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-283.js new file mode 100644 index 0000000000..8ac9b4f704 --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/defineProperties/15.2.3.7-6-a-283.js @@ -0,0 +1,52 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 15.2.3.7-6-a-283 +description: > + Object.defineProperties - 'O' is an Arguments object, 'P' is own + data property of 'O' which is also defined in [[ParameterMap]] of + 'O', test TypeError is thrown when updating the [[Writable]] + attribute value of 'P' which is defined as non-configurable (10.6 + [[DefineOwnProperty]] step 4) +includes: [propertyHelper.js] +---*/ + + +var arg; + +(function fun(a, b, c) { + arg = arguments; +}(0, 1, 2)); + +Object.defineProperty(arg, "0", { + value: 0, + writable: false, + enumerable: false, + configurable: false +}); + +try { + Object.defineProperties(arg, { + "0": { + writable: true + } + }); + + throw new Test262Error("Expected an exception."); +} catch (e) { + verifyEqualTo(arg, "0", 0); + + verifyNotWritable(arg, "0"); + + verifyNotEnumerable(arg, "0"); + + verifyNotConfigurable(arg, "0"); + + if (!(e instanceof TypeError)) { + throw new Test262Error("Expected TypeError, got " + e); + } + +} + +reportCompare(0, 0); |