diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-456.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-456.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-456.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-456.js new file mode 100644 index 0000000000..da9397f14d --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-456.js @@ -0,0 +1,43 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 15.2.3.6-4-456 +description: > + ES5 Attributes - fail to update [[Configurable]] attribute of + accessor property ([[Get]] is undefined, [[Set]] is undefined, + [[Enumerable]] is false, [[Configurable]] is false) to different + value +includes: [propertyHelper.js] +---*/ + +var obj = {}; + +Object.defineProperty(obj, "prop", { + get: undefined, + set: undefined, + enumerable: false, + configurable: false +}); +var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); + +try { + Object.defineProperty(obj, "prop", { + configurable: true + }); + + throw new Test262Error("Expected TypeError"); +} catch (e) { + assert(e instanceof TypeError); + + var desc2 = Object.getOwnPropertyDescriptor(obj, "prop"); + + assert.sameValue(desc1.configurable, false); + assert.sameValue(desc2.configurable, false); + + verifyNotConfigurable(obj, "prop"); + + assert(obj.hasOwnProperty("prop")); +} + +reportCompare(0, 0); |