/*

 * Copyright (c) 2008, 2009, 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 6778657

 * @summary Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour

 *

 * @run main compiler.runtime.Test6778657

 */

package compiler.runtime;

public class Test6778657 {

    public static void check_f2i(int expect) {

        float check = expect;

        check *= 2;

        int actual = (int) check;

        if (actual != expect) {

            throw new RuntimeException("expecting " + expect + ", got " + actual);

        }

    }

    public static void check_f2l(long expect) {

        float check = expect;

        check *= 2;

        long actual = (long) check;

        if (actual != expect) {

            throw new RuntimeException("expecting " + expect + ", got " + actual);

        }

    }

    public static void check_d2i(int expect) {

        double check = expect;

        check *= 2;

        int actual = (int) check;

        if (actual != expect) {

            throw new RuntimeException("expecting " + expect + ", got " + actual);

        }

    }

    public static void check_d2l(long expect) {

        double check = expect;

        check *= 2;

        long actual = (long) check;

        if (actual != expect) {

            throw new RuntimeException("expecting " + expect + ", got " + actual);

        }

    }

    public static void main(String[] args) {

        check_f2i(Integer.MAX_VALUE);

        check_f2i(Integer.MIN_VALUE);

        check_f2l(Long.MAX_VALUE);

        check_f2l(Long.MIN_VALUE);

        check_d2i(Integer.MAX_VALUE);

        check_d2i(Integer.MIN_VALUE);

        check_d2l(Long.MAX_VALUE);

        check_d2l(Long.MIN_VALUE);

    }

}