809N/A/*
2362N/A * Copyright (c) 2001, 2005, Oracle and/or its affiliates. All rights reserved.
809N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
809N/A *
809N/A * This code is free software; you can redistribute it and/or modify it
809N/A * under the terms of the GNU General Public License version 2 only, as
809N/A * published by the Free Software Foundation.
809N/A *
809N/A * This code is distributed in the hope that it will be useful, but WITHOUT
809N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
809N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
809N/A * version 2 for more details (a copy is included in the LICENSE file that
809N/A * accompanied this code).
809N/A *
809N/A * You should have received a copy of the GNU General Public License version
809N/A * 2 along with this work; if not, write to the Free Software Foundation,
809N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
809N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
809N/A */
809N/A
809N/A/*
809N/A * @test
809N/A * @compile Constants.java
809N/A * @bug 4397405 4826652
809N/A * @summary Testing constant-ness of Double.{MIN_VALUE, MAX_VALUE}, etc.
809N/A * @author Joseph D. Darcy
809N/A */
809N/A
809N/Apublic class Constants {
809N/A /*
809N/A * This compile-only test is to make sure that the primitive
809N/A * public static final fields in java.lang.Double are "constant
809N/A * expressions" as defined by "The Java Language Specification,
809N/A * 2nd edition" section 15.28; a different test checks the values
809N/A * of those fields.
809N/A */
809N/A public static void main(String[] args) throws Exception {
809N/A int i = 0;
809N/A switch (i) {
809N/A case (int)Double.NaN: // 0
809N/A System.out.println("Double.NaN is a constant!");
809N/A break;
809N/A case (int)Double.MIN_VALUE + 1: // 0 + 1
809N/A System.out.println("Double.MIN_VALUE is a constant!");
809N/A break;
809N/A case (int)Double.MIN_NORMAL + 2: // 0 + 2
809N/A System.out.println("Double.MIN_NORMAL is a constant!");
809N/A break;
809N/A case Double.MIN_EXPONENT: // -1022
809N/A System.out.println("Double.MIN_EXPONENT is a constant!");
809N/A break;
809N/A case Double.MAX_EXPONENT: // 1023
809N/A System.out.println("Double.MAX_EXPONENT is a constant!");
809N/A break;
809N/A case (int)Double.MAX_VALUE - 1: // Integer.MAX_VALUE - 1
809N/A System.out.println("Double.MAX_VALUE is a constant!");
809N/A break;
809N/A case (int)Double.POSITIVE_INFINITY: // Integer.MAX_VALUE
809N/A System.out.println("Double.POSITIVE_INFINITY is a constant!");
809N/A break;
809N/A case (int)Double.NEGATIVE_INFINITY: // Integer.MIN_VALUE
809N/A System.out.println("Double.NEGATIVE_INFINITY is a constant!");
809N/A break;
809N/A }
809N/A }
809N/A}