duke@1: /*
ohair@554:  * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
duke@1:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1:  *
duke@1:  * This code is free software; you can redistribute it and/or modify it
duke@1:  * under the terms of the GNU General Public License version 2 only, as
duke@1:  * published by the Free Software Foundation.
duke@1:  *
duke@1:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@1:  * version 2 for more details (a copy is included in the LICENSE file that
duke@1:  * accompanied this code).
duke@1:  *
duke@1:  * You should have received a copy of the GNU General Public License version
duke@1:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@1:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1:  *
ohair@554:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554:  * or visit www.oracle.com if you need additional information or have any
ohair@554:  * questions.
duke@1:  */
duke@1: 
duke@1: /*
duke@1:  * @test
duke@1:  * @bug 4990346
duke@1:  * @summary Verify autoboxed values are cached as required.
duke@1:  * @author Joseph D. Darcy
duke@1:  */
duke@1: 
duke@1: public class BoxingCaching {
duke@1: 
duke@1:     static boolean verifyBooleanCaching() {
duke@1:         boolean cached = true;
duke@1: 
duke@1:         Boolean results[] = new Boolean[2];
duke@1: 
duke@1:         results[0] = false;
duke@1:         results[1] = true;
duke@1: 
duke@1:         Boolean B;
duke@1: 
duke@1:         B = false;
duke@1:         if (B != results[0]) {
duke@1:                 cached = false;
duke@1:                 System.err.println("Boolean value " + B +
duke@1:                                    " is not cached appropriately.");
duke@1:         }
duke@1: 
duke@1:         B = true;
duke@1:         if (B != results[1]) {
duke@1:                 cached = false;
duke@1:                 System.err.println("Boolean value " + B +
duke@1:                                    " is not cached appropriately.");
duke@1:         }
duke@1: 
duke@1:         return cached;
duke@1:     }
duke@1: 
duke@1:     static boolean verifyByteCaching() {
duke@1:         boolean cached = true;
duke@1: 
duke@1:         Byte results[] = new Byte[-(-128) + 127 +1];
duke@1:         for(int i = 0; i < results.length; i++)
duke@1:             results[i] = (byte)(i-128);
duke@1: 
duke@1:         for(int i = 0; i < results.length; i++) {
duke@1:             Byte B = (byte)(i-128);
duke@1:             if (B != results[i]) {
duke@1:                 cached = false;
duke@1:                 System.err.println("Byte value " + B +
duke@1:                                    " is not cached appropriately.");
duke@1:             }
duke@1:         }
duke@1: 
duke@1:         for(int i = Byte.MIN_VALUE; i < Byte.MAX_VALUE; i++) {
duke@1:             Byte B;
duke@1:             B = (byte)i;
duke@1:             if (B.byteValue() != i) {
duke@1:                 cached = false;
duke@1:                 System.err.println("Erroneous autoboxing conversion for " +
duke@1:                                    "byte value " + i + " .");
duke@1:             }
duke@1:         }
duke@1: 
duke@1:         return cached;
duke@1:     }
duke@1: 
duke@1:     static boolean verifyCharacterCaching() {
duke@1:         boolean cached = true;
duke@1: 
duke@1:         Character results[] = new Character[127 +1];
duke@1:         for(int i = 0; i < results.length; i++)
duke@1:             results[i] = (char)i;
duke@1: 
duke@1:         for(int i = 0; i < results.length; i++) {
duke@1:             Character C = (char)i;
duke@1:             if (C != results[i]) {
duke@1:                 cached = false;
duke@1:                 System.err.println("Char value " + C +
duke@1:                                    " is not cached appropriately.");
duke@1:             }
duke@1:         }
duke@1: 
duke@1:         for(int i = Character.MIN_VALUE; i < Character.MAX_VALUE; i++) {
duke@1:             Character C;
duke@1:             C = (char)i;
duke@1:             if (C.charValue() != i) {
duke@1:                 cached = false;
duke@1:                 System.err.println("Erroneous autoboxing conversion for " +
duke@1:                                    "char value " + i + " .");
duke@1:             }
duke@1:         }
duke@1: 
duke@1:         return cached;
duke@1:     }
duke@1: 
duke@1:     static boolean verifyIntegerCaching() {
duke@1:         boolean cached = true;
duke@1: 
duke@1:         Integer results[] = new Integer[-(-128) + 127 +1];
duke@1:         for(int i = 0; i < results.length; i++)
duke@1:             results[i] = (i-128);
duke@1: 
duke@1:         for(int i = 0; i < results.length; i++) {
duke@1:             Integer I = (i-128);
duke@1:             if (I != results[i]) {
duke@1:                 cached = false;
duke@1:                 System.err.println("Integer value " + I +
duke@1:                                    " is not cached appropriately.");
duke@1:             }
duke@1:         }
duke@1: 
duke@1:         for(int i = -256; i < 255; i++) {
duke@1:             Integer I;
duke@1:             I = i;
duke@1:             if (I.intValue() != i) {
duke@1:                 cached = false;
duke@1:                 System.err.println("Erroneous autoboxing conversion for " +
duke@1:                                    "int value " + i + " .");
duke@1:             }
duke@1:         }
duke@1: 
duke@1:         return cached;
duke@1:     }
duke@1: 
duke@1:     static boolean verifyLongCaching() {
duke@1:         boolean cached = true;
duke@1: 
duke@1:         Long results[] = new Long[-(-128) + 127 +1];
duke@1:         for(int i = 0; i < results.length; i++)
duke@1:             results[i] = (long)(i-128);
duke@1: 
duke@1:         for(int i = 0; i < results.length; i++) {
duke@1:             Long L = (long)(i-128);
duke@1:             if (L != results[i]) {
duke@1:                 cached = false;
duke@1:                 System.err.println("Integer value " + L +
duke@1:                                    " is not cached appropriately.");
duke@1:             }
duke@1:         }
duke@1: 
duke@1:         for(int i = -256; i < 255; i++) {
duke@1:             Integer L;
duke@1:             L = i;
duke@1:             if (L.longValue() != i) {
duke@1:                 cached = false;
duke@1:                 System.err.println("Erroneous autoboxing conversion for " +
duke@1:                                    "int value " + i + " .");
duke@1:             }
duke@1:         }
duke@1: 
duke@1:         return cached;
duke@1:     }
duke@1: 
duke@1:     static boolean verifyShortCaching() {
duke@1:         boolean cached = true;
duke@1: 
duke@1:         Short results[] = new Short[-(-128) + 127 +1];
duke@1:         for(int i = 0; i < results.length; i++)
duke@1:             results[i] = (short)(i-128);
duke@1: 
duke@1:         for(int i = 0; i < results.length; i++) {
duke@1:             Short S = (short)(i-128);
duke@1:             if (S != results[i]) {
duke@1:                 cached = false;
duke@1:                 System.err.println("Short value " + S +
duke@1:                                    " is not cached appropriately.");
duke@1:             }
duke@1:         }
duke@1: 
duke@1:         for(int i = Short.MIN_VALUE; i < Short.MAX_VALUE; i++) {
duke@1:             Short S;
duke@1:             S = (short)i;
duke@1:             if (S.shortValue() != i) {
duke@1:                 cached = false;
duke@1:                 System.err.println("Erroneous autoboxing conversion for " +
duke@1:                                    "short value " + i + " .");
duke@1:             }
duke@1:         }
duke@1: 
duke@1:         return cached;
duke@1:     }
duke@1: 
duke@1:     public static void main(String argv[]) {
duke@1:         boolean cached = true;
duke@1: 
duke@1:         cached &= verifyBooleanCaching();
duke@1:         cached &= verifyByteCaching();
duke@1:         cached &= verifyCharacterCaching();
duke@1:         cached &= verifyIntegerCaching();
duke@1:         cached &= verifyLongCaching();
duke@1:         cached &= verifyShortCaching();
duke@1: 
duke@1:         if (!cached)
duke@1:             throw new RuntimeException("Values not cached appropriately.");
duke@1:     }
duke@1: }