/*

 * Copyright (c) 2001, 2007, 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 4489146 5017980

 * @summary tests String constructors of BigInteger

 * @author Joseph D. Darcy

 */

import java.math.*;

public class StringConstructor {

    public static void main(String [] argv) {

        // Good strings

        constructWithoutError("0", 0L);

        constructWithoutError("000000000000000000", 0L);

        constructWithoutError("1", 1L);

        constructWithoutError("-1", -1L);

        constructWithoutError("+1", +1L);

        constructWithoutError( "123456789123456789", 123456789123456789L);

        constructWithoutError("+123456789123456789", 123456789123456789L);

        constructWithoutError("-123456789123456789", -123456789123456789L);

        constructWithoutError(Integer.toString(Integer.MIN_VALUE),

                              (long)Integer.MIN_VALUE);

        constructWithoutError(Integer.toString(Integer.MAX_VALUE),

                              (long)Integer.MAX_VALUE);

        constructWithoutError(Long.toString(Long.MIN_VALUE),

                              Long.MIN_VALUE);

        constructWithoutError(Long.toString(Long.MAX_VALUE),

                              Long.MAX_VALUE);

        // Bad strings

        constructWithError("");

        constructWithError("-");

        constructWithError("+");

        constructWithError("--");

        constructWithError("++");

        constructWithError("-000-0");

        constructWithError("+000+0");

        constructWithError("+000-0");

        constructWithError("--1234567890");

        constructWithError("++1234567890");

        constructWithError("-0-12345678");

        constructWithError("+0+12345678");

        constructWithError("--12345678-12345678-12345678");

        constructWithError("++12345678+12345678+12345678");

        constructWithError("12345-");

        constructWithError("12345+");

    }

    // this method adapted from ../BigDecimal/StringConstructor.java

    private static void constructWithError(String badString) {

        try {

            BigInteger bi = new BigInteger(badString);

            throw new RuntimeException(badString + " accepted");

        } catch(NumberFormatException e) {

        }

    }

    private static void constructWithoutError(String goodString, long value) {

            BigInteger bi = new BigInteger(goodString);

            if(bi.longValue() != value) {

                System.err.printf("From ``%s'' expected %d, got %s.\n", goodString, value, bi);

                throw new RuntimeException();

            }

    }

}