src/third_party/mozjs-45/js/src/tests/test262/ch11/11.4/11.4.1/11.4.1-5-a-27-s.js

/// 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.
/**
 * @path ch11/11.4/11.4.1/11.4.1-5-a-27-s.js
 * @description Strict Mode - TypeError is thrown after deleting a property, calling preventExtensions, and attempting to reassign the property
 * @onlyStrict
 */


function testcase() {
        "use strict";
        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);