test262/test/suite/ch15/15.5/15.5.4/15.5.4.20/15.5.4.20-2-39.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 ch15/15.5/15.5.4/15.5.4.20/15.5.4.20-2-39.js
 * @description String.prototype.trim - 'this' is an object which has an own valueOf method
 */


function testcase() {
        var obj = {
            valueOf: function () {
                return "abc";
            }
        };

        return (String.prototype.trim.call(obj) === "[object Object]");
    }
runTestCase(testcase);