/*

 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 4915187

 * @summary Test java.lang.String constructor that takes StringBuilder

 * @key randomness

 */

import java.util.*;

public class SBConstructor {

    private static Random rnd = new Random();

    public static void main (String[] argvs) throws Exception {

        for (int i=0; i<1000; i++) {

            int length = rnd.nextInt(20) + 1;

            StringBuffer testStringBuffer = new StringBuffer();

            StringBuilder testStringBuilder = new StringBuilder();

            for(int x=0; x<length; x++) {

                char aChar = (char)rnd.nextInt();

                testStringBuffer.append(aChar);

                testStringBuilder.append(aChar);

            }

            String testString1 = new String(testStringBuffer);

            String testString2 = new String(testStringBuilder);

            if (!testString1.equals(testString2))

                throw new RuntimeException("Test failure");

        }

    }

}