diff options
Diffstat (limited to 'js/src/tests/test262/language/types/object/S8.6.2_A8.js')
-rw-r--r-- | js/src/tests/test262/language/types/object/S8.6.2_A8.js | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/types/object/S8.6.2_A8.js b/js/src/tests/test262/language/types/object/S8.6.2_A8.js new file mode 100644 index 0000000000..2f93fedb2b --- /dev/null +++ b/js/src/tests/test262/language/types/object/S8.6.2_A8.js @@ -0,0 +1,24 @@ +// Copyright 2011 Google Inc. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es5id: 8.6.2_A8 +description: > + It should not be possible to change the [[Prototype]] of a + non-extensible object +---*/ + +var x = Object.preventExtensions({}); +var y = {}; +try { + x.__proto__ = y; +} catch (err) { + // As far as this test is concerned, we allow the above assignment + // to fail. This failure does violate the spec and should probably + // be tested separately. +} +if (Object.getPrototypeOf(x) !== Object.prototype) { + throw new Test262Error("Prototype of non-extensible object mutated"); +} + +reportCompare(0, 0); |