1 /* 2 * Copyright (c) 2018, 2024, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 // 26 // Help test archived box cache consistency. 27 // 28 // args[0]: the expected maximum value expected to be archived 29 // 30 public class CheckIntegerCacheApp { 31 public static void main(String[] args) throws Exception { 32 if (args.length != 1) { 33 throw new RuntimeException( 34 "FAILED. Incorrect argument length: " + args.length); 35 } 36 37 // Base JLS compliance check 38 for (int i = -128; i <= 127; i++) { 39 if (Integer.valueOf(i) != Integer.valueOf(i)) { 40 throw new RuntimeException( 41 "FAILED. All values in range [-128, 127] should be interned in cache: " + i); 42 } 43 if (Byte.valueOf((byte)i) != Byte.valueOf((byte)i)) { 44 throw new RuntimeException( 45 "FAILED. All Byte values in range [-128, 127] should be interned in cache: " + (byte)i); 46 } 47 if (Short.valueOf((short)i) != Short.valueOf((short)i)) { 48 throw new RuntimeException( 49 "FAILED. All Short values in range [-128, 127] should be interned in cache: " + (byte)i); 50 } 51 if (Long.valueOf(i) != Long.valueOf(i)) { 52 throw new RuntimeException( 53 "FAILED. All Long values in range [-128, 127] should be interned in cache: " + i); 54 } 55 56 // Character cache only values 0 through 127 57 if (i >= 0) { 58 if (Character.valueOf((char)i) != Character.valueOf((char)i)) { 59 throw new RuntimeException( 60 "FAILED. All Character values in range [0, 127] should be interned in cache: " + i); 61 } 62 } 63 } 64 65 // Check that archived integer cache agrees with runtime integer cache. 66 for (int i = -128; i <= 127; i++) { 67 if (ArchivedIntegerHolder.archivedObjects[i + 128] != Integer.valueOf(i)) { 68 throw new RuntimeException( 69 "FAILED. Archived and runtime caches disagree for " + i); 70 } 71 } 72 73 int high = Integer.parseInt(args[0]); 74 if (Integer.valueOf(high) != Integer.valueOf(high)) { 75 throw new RuntimeException( 76 "FAILED. Value expected to be retrieved from cache: " + high); 77 } 78 79 if (Integer.valueOf(high + 1) == Integer.valueOf(high + 1)) { 80 throw new RuntimeException( 81 "FAILED. Value not expected to be retrieved from cache: " + high); 82 } 83 } 84 } --- EOF ---