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Diffstat (limited to 'js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-294-1.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-294-1.js | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-294-1.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-294-1.js new file mode 100644 index 0000000000..41821e0ed5 --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-294-1.js @@ -0,0 +1,51 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 15.2.3.6-4-294-1 +description: > + Object.defineProperty - 'O' is an Arguments object of a function + that has formal parameters, 'name' 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 'name' + which is defined as non-configurable (10.6 [[DefineOwnProperty]] + step 4 and 5b) +includes: [propertyHelper.js] +flags: [noStrict] +---*/ + +(function(a, b, c) { + Object.defineProperty(arguments, "0", { + value: 10, + writable: false, + enumerable: false, + configurable: false + }); + try { + Object.defineProperty(arguments, "0", { + writable: true + }); + $ERROR("Expected an exception."); + } catch (e) { + + if (!(e instanceof TypeError)) { + $ERROR("Expected TypeError, got " + e); + } + + verifyEqualTo(arguments, "0", 10); + + verifyNotWritable(arguments, "0"); + + verifyNotEnumerable(arguments, "0"); + + verifyNotConfigurable(arguments, "0"); + + if (a !== 10) { + $ERROR('Expected "a === 10", actually ' + a); + } + + } + +}(0, 1, 2)); + +reportCompare(0, 0); |