diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Object/seal/object-seal-inherited-data-properties-are-ignored.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Object/seal/object-seal-inherited-data-properties-are-ignored.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/seal/object-seal-inherited-data-properties-are-ignored.js b/js/src/tests/test262/built-ins/Object/seal/object-seal-inherited-data-properties-are-ignored.js new file mode 100644 index 0000000000..03d3748c42 --- /dev/null +++ b/js/src/tests/test262/built-ins/Object/seal/object-seal-inherited-data-properties-are-ignored.js @@ -0,0 +1,31 @@ +// Copyright (c) 2012 Ecma International. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-setintegritylevel +description: Object.seal - inherited data properties are ignored +---*/ + +var proto = {}; + +Object.defineProperty(proto, "Father", { + value: 10, + configurable: true +}); + +var ConstructFun = function() {}; +ConstructFun.prototype = proto; + +var child = new ConstructFun(); +var preCheck = Object.isExtensible(child); +Object.seal(child); + +var beforeDeleted = proto.hasOwnProperty("Father"); +delete proto.Father; +var afterDeleted = proto.hasOwnProperty("Father"); + +assert(preCheck, 'preCheck !== true'); +assert(beforeDeleted, 'beforeDeleted !== true'); +assert.sameValue(afterDeleted, false, 'afterDeleted'); + +reportCompare(0, 0); |