test262/test/language/expressions/delete/11.4.1-5-a-27-s.js

// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 11.4.1-5-a-27-s
description: >
    Strict Mode - TypeError is thrown after deleting a property,
    calling preventExtensions, and attempting to reassign the property
flags: [onlyStrict]
includes: [runTestCase.js]
---*/

function testcase() {
        var a = {x:0, get y() { return 0;}};
        delete a.x;
        Object.preventExtensions(a);
        try {
            a.x = 1;
            return false;
        } catch (e) {
            return e instanceof TypeError;
        }
}
runTestCase(testcase);