diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-364.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-364.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-364.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-364.js new file mode 100644 index 0000000000..06b1ec0dfb --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-364.js @@ -0,0 +1,34 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 15.2.3.6-4-364 +description: > + ES5 Attributes - fail to update [[Writable]] attribute of data + property ([[Writable]] is false, [[Enumerable]] is true, + [[Configurable]] is false) to different value +---*/ + +var obj = {}; + +Object.defineProperty(obj, "prop", { + value: 2010, + writable: false, + enumerable: true, + configurable: false +}); +var propertyDefineCorrect = obj.hasOwnProperty("prop"); +var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); +assert.throws(TypeError, function() { + Object.defineProperty(obj, "prop", { + writable: true + }); +}); +var desc2 = Object.getOwnPropertyDescriptor(obj, "prop"); + +assert(propertyDefineCorrect, 'propertyDefineCorrect !== true'); +assert.sameValue(desc1.writable, false, 'desc1.writable'); +assert.sameValue(obj.prop, 2010, 'obj.prop'); +assert.sameValue(desc2.writable, false, 'desc2.writable'); + +reportCompare(0, 0); |