// Copyright (c) 2012 Ecma International. All rights reserved. | |
// This code is governed by the BSD license found in the LICENSE file. | |
/*--- | |
es5id: 11.13.1-3-s | |
description: > | |
Strict Mode - TypeError is thrown if The LeftHandSide is a | |
reference to a non-existent property of an object whose | |
[[Extensible]] internal property has the value false under strict | |
mode | |
flags: [onlyStrict] | |
---*/ | |
var obj = {}; | |
Object.preventExtensions(obj); | |
assert.throws(TypeError, function() { | |
obj.len = 10; | |
}); |