/*

 * Copyright 2009 Google, Inc.  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 6582946

 * @summary Test the primitive wrappers compare and compareTo methods

 */

import java.util.Random;

public class Compare {

    final Random rnd = new Random();

    boolean toBoolean(long x) { return x > 0; }

    void compareAll(long x, long y) {

        check(Double.compare(x, y) ==

              Double.valueOf(x).compareTo(Double.valueOf(y)));

        check(Float.compare(x, y) ==

              Float.valueOf(x).compareTo(Float.valueOf(y)));

        check(Long.compare(x, y) ==

              Long.valueOf(x).compareTo(Long.valueOf(y)));

        check(Integer.compare((int) x, (int) y) ==

              Integer.valueOf((int) x).compareTo(Integer.valueOf((int) y)));

        check(Short.compare((short) x, (short) y) ==

              Short.valueOf((short) x).compareTo(Short.valueOf((short) y)));

        check(Character.compare((char) x, (char) y) ==

              Character.valueOf((char) x).compareTo(Character.valueOf((char) y)));

        check(Byte.compare((byte) x, (byte) y) ==

              Byte.valueOf((byte) x).compareTo(Byte.valueOf((byte) y)));

        check(Boolean.compare(toBoolean(x), toBoolean(y)) ==

              Boolean.valueOf(toBoolean(x)).compareTo(Boolean.valueOf(toBoolean(y))));

        check(Double.compare(x, y) == -Double.compare(y, x));

        check(Float.compare(x, y) == -Float.compare(y, x));

        check(Long.compare(x, y) == -Long.compare(y, x));

        check(Integer.compare((int) x, (int) y) ==

              -Integer.compare((int) y, (int) x));

        check(Short.compare((short) x, (short) y) ==

              -Short.compare((short) y, (short) x));

        check(Character.compare((char) x, (char) y) ==

              -Character.compare((char) y, (char) x));

        check(Byte.compare((byte) x, (byte) y) ==

              -Byte.compare((byte) y, (byte) x));

        equal(Long.compare(x, y),

              x < y ? -1 : x > y ? 1 : 0);

        {

            int a = (int) x, b = (int) y;

            equal(Integer.compare(a, b),

                  a < b ? -1 : a > b ? 1 : 0);

        }

        {

            short a = (short) x, b = (short) y;

            equal(Short.compare(a, b),

                  a - b);

        }

        {

            char a = (char) x, b = (char) y;

            equal(Character.compare(a, b),

                  a - b);

        }

        {

            byte a = (byte) x, b = (byte) y;

            equal(Byte.compare(a, b),

                  a - b);

        }

        {

            boolean a = toBoolean(x), b = toBoolean(y);

            equal(Boolean.compare(a, b),

                  a == b ? 0 : a ? 1 : -1);

        }

    }

    void test(String args[]) throws Exception {

        long[] longs = {

            Long.MIN_VALUE,

            Integer.MIN_VALUE,

            Short.MIN_VALUE,

            Character.MIN_VALUE,

            Byte.MIN_VALUE,

            -1, 0, 1,

            Byte.MAX_VALUE,

            Character.MAX_VALUE,

            Short.MAX_VALUE,

            Integer.MAX_VALUE,

            Long.MAX_VALUE,

            rnd.nextLong(),

            rnd.nextInt(),

        };

        for (long x : longs) {

            for (long y : longs) {

                compareAll(x, y);

            }

        }

    }

    //--------------------- Infrastructure ---------------------------

    volatile int passed = 0, failed = 0;

    void pass() {passed++;}

    void fail() {failed++; Thread.dumpStack();}

    void fail(String msg) {System.err.println(msg); fail();}

    void unexpected(Throwable t) {failed++; t.printStackTrace();}

    void check(boolean cond) {if (cond) pass(); else fail();}

    void equal(Object x, Object y) {

        if (x == null ? y == null : x.equals(y)) pass();

        else fail(x + " not equal to " + y);}

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

        new Compare().instanceMain(args);}

    public void instanceMain(String[] args) throws Throwable {

        try {test(args);} catch (Throwable t) {unexpected(t);}

        System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);

        if (failed > 0) throw new AssertionError("Some tests failed");}

}