/*

 * Copyright (c) 2001, 2005, 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

 * @compile Constants.java

 * @bug 4397405 4826652

 * @summary Testing constant-ness of Double.{MIN_VALUE, MAX_VALUE}, etc.

 * @author Joseph D. Darcy

 */

public class Constants {

    /*

     * This compile-only test is to make sure that the primitive

     * public static final fields in java.lang.Double are "constant

     * expressions" as defined by "The Java Language Specification,

     * 2nd edition" section 15.28; a different test checks the values

     * of those fields.

     */

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

        int i = 0;

        switch (i) {

        case (int)Double.NaN:                   // 0

            System.out.println("Double.NaN is a constant!");

            break;

        case (int)Double.MIN_VALUE + 1:         // 0 + 1

            System.out.println("Double.MIN_VALUE is a constant!");

            break;

        case (int)Double.MIN_NORMAL + 2:        // 0 + 2

            System.out.println("Double.MIN_NORMAL is a constant!");

            break;

        case Double.MIN_EXPONENT:               // -1022

            System.out.println("Double.MIN_EXPONENT is a constant!");

            break;

        case Double.MAX_EXPONENT:               // 1023

            System.out.println("Double.MAX_EXPONENT is a constant!");

            break;

        case (int)Double.MAX_VALUE - 1:         // Integer.MAX_VALUE - 1

            System.out.println("Double.MAX_VALUE is a constant!");

            break;

        case (int)Double.POSITIVE_INFINITY:     // Integer.MAX_VALUE

            System.out.println("Double.POSITIVE_INFINITY is a constant!");

            break;

        case (int)Double.NEGATIVE_INFINITY:     // Integer.MIN_VALUE

            System.out.println("Double.NEGATIVE_INFINITY is a constant!");

            break;

        }

    }

}