test/language/types/reference/8.7.2-5-s.js


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// Copyright (c) 2012 Ecma International.  All rights reserved.
// Ecma International makes this code available under the terms and conditions set
// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
// "Use Terms").   Any redistribution of this code must retain the above
// copyright and this notice and otherwise comply with the Use Terms.

/*---
es5id: 8.7.2-5-s
description: >
    Strict Mode - TypeError is thrown if LeftHandSide is a reference
    to a non-existent property of an non-extensible object
flags: [onlyStrict]
includes: [runTestCase.js]
---*/

function testcase() {
        var _8_7_2_5 = {};
        Object.preventExtensions(_8_7_2_5);

        try {
            _8_7_2_5.b = 11;
            return false;
        } catch (e) {
            return e instanceof TypeError;
        }
    }
runTestCase(testcase);