/*

 * Copyright (c) 2018, 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

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 * questions.

 */

/**

 * @test

 * @bug 8196740

 * @summary Check j.l.Character.digit(int,int) for Latin1 characters

 */

public class Latin1Digit {

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

        for (int ch = 0; ch < 256; ++ch) {

            for (int radix = -256; radix <= 256; ++radix) {

                test(ch, radix);

            }

            test(ch, Integer.MIN_VALUE);

            test(ch, Integer.MAX_VALUE);

        }

    }

    static void test(int ch, int radix) throws Exception {

        int d1 = Character.digit(ch, radix);

        int d2 = canonicalDigit(ch, radix);

        if (d1 != d2) {

            throw new Exception("Wrong result for char="

                    + ch + " (" + (char)ch + "), radix="

                    + radix + "; " + d1 + " != " + d2);

        }

    }

    // canonical version of Character.digit(int,int) for Latin1

    static int canonicalDigit(int ch, int radix) {

        if (radix < Character.MIN_RADIX || radix > Character.MAX_RADIX) {

            return -1;

        }

        if (ch >= '0' && ch <= '9' && ch < (radix + '0')) {

            return ch - '0';

        }

        if (ch >= 'A' && ch <= 'Z' && ch < (radix + 'A' - 10)) {

            return ch - 'A' + 10;

        }

        if (ch >= 'a' && ch <= 'z' && ch < (radix + 'a' - 10)) {

            return ch - 'a' + 10;

        }

        return -1;

    }

}