Tue, 03 Jun 2008 13:26:47 -0700
4075303: Use javap to enquire aboput a specific inner class
4348375: Javap is not internationalized
4459541: "javap -l" shows line numbers as signed short; they should be unsigned
4501660: change diagnostic of -help as 'print this help message and exit'
4776241: unused source file in javap...
4870651: javap should recognize generics, varargs, enum
4876942: javap invoked without args does not print help screen
4880663: javap could output whitespace between class name and opening brace
4975569: javap doesn't print new flag bits
6271787: javap dumps LocalVariableTypeTable attribute in hex, needs to print a table
6305779: javap: support annotations
6439940: Clean up javap implementation
6469569: wrong check of searchpath in JavapEnvironment
6474890: javap does not open .zip files in -classpath
6587786: Javap throws error : "ERROR:Could not find <classname>" for JRE classes
6622215: javap ignores certain relevant access flags
6622216: javap names some attributes incorrectly
6622232: javap gets whitespace confused
6622260: javap prints negative bytes incorrectly in hex
Reviewed-by: ksrini
duke@1 | 1 | /* |
duke@1 | 2 | * Copyright 2004 Sun Microsystems, Inc. All Rights Reserved. |
duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@1 | 4 | * |
duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@1 | 7 | * published by the Free Software Foundation. |
duke@1 | 8 | * |
duke@1 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@1 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@1 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@1 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@1 | 13 | * accompanied this code). |
duke@1 | 14 | * |
duke@1 | 15 | * You should have received a copy of the GNU General Public License version |
duke@1 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@1 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@1 | 18 | * |
duke@1 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@1 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@1 | 21 | * have any questions. |
duke@1 | 22 | */ |
duke@1 | 23 | |
duke@1 | 24 | /* |
duke@1 | 25 | * @test |
duke@1 | 26 | * @bug 4990346 |
duke@1 | 27 | * @summary Verify autoboxed values are cached as required. |
duke@1 | 28 | * @author Joseph D. Darcy |
duke@1 | 29 | * |
duke@1 | 30 | * @compile -source 1.5 BoxingCaching.java |
duke@1 | 31 | * @run main BoxingCaching |
duke@1 | 32 | */ |
duke@1 | 33 | |
duke@1 | 34 | public class BoxingCaching { |
duke@1 | 35 | |
duke@1 | 36 | static boolean verifyBooleanCaching() { |
duke@1 | 37 | boolean cached = true; |
duke@1 | 38 | |
duke@1 | 39 | Boolean results[] = new Boolean[2]; |
duke@1 | 40 | |
duke@1 | 41 | results[0] = false; |
duke@1 | 42 | results[1] = true; |
duke@1 | 43 | |
duke@1 | 44 | Boolean B; |
duke@1 | 45 | |
duke@1 | 46 | B = false; |
duke@1 | 47 | if (B != results[0]) { |
duke@1 | 48 | cached = false; |
duke@1 | 49 | System.err.println("Boolean value " + B + |
duke@1 | 50 | " is not cached appropriately."); |
duke@1 | 51 | } |
duke@1 | 52 | |
duke@1 | 53 | B = true; |
duke@1 | 54 | if (B != results[1]) { |
duke@1 | 55 | cached = false; |
duke@1 | 56 | System.err.println("Boolean value " + B + |
duke@1 | 57 | " is not cached appropriately."); |
duke@1 | 58 | } |
duke@1 | 59 | |
duke@1 | 60 | return cached; |
duke@1 | 61 | } |
duke@1 | 62 | |
duke@1 | 63 | static boolean verifyByteCaching() { |
duke@1 | 64 | boolean cached = true; |
duke@1 | 65 | |
duke@1 | 66 | Byte results[] = new Byte[-(-128) + 127 +1]; |
duke@1 | 67 | for(int i = 0; i < results.length; i++) |
duke@1 | 68 | results[i] = (byte)(i-128); |
duke@1 | 69 | |
duke@1 | 70 | for(int i = 0; i < results.length; i++) { |
duke@1 | 71 | Byte B = (byte)(i-128); |
duke@1 | 72 | if (B != results[i]) { |
duke@1 | 73 | cached = false; |
duke@1 | 74 | System.err.println("Byte value " + B + |
duke@1 | 75 | " is not cached appropriately."); |
duke@1 | 76 | } |
duke@1 | 77 | } |
duke@1 | 78 | |
duke@1 | 79 | for(int i = Byte.MIN_VALUE; i < Byte.MAX_VALUE; i++) { |
duke@1 | 80 | Byte B; |
duke@1 | 81 | B = (byte)i; |
duke@1 | 82 | if (B.byteValue() != i) { |
duke@1 | 83 | cached = false; |
duke@1 | 84 | System.err.println("Erroneous autoboxing conversion for " + |
duke@1 | 85 | "byte value " + i + " ."); |
duke@1 | 86 | } |
duke@1 | 87 | } |
duke@1 | 88 | |
duke@1 | 89 | return cached; |
duke@1 | 90 | } |
duke@1 | 91 | |
duke@1 | 92 | static boolean verifyCharacterCaching() { |
duke@1 | 93 | boolean cached = true; |
duke@1 | 94 | |
duke@1 | 95 | Character results[] = new Character[127 +1]; |
duke@1 | 96 | for(int i = 0; i < results.length; i++) |
duke@1 | 97 | results[i] = (char)i; |
duke@1 | 98 | |
duke@1 | 99 | for(int i = 0; i < results.length; i++) { |
duke@1 | 100 | Character C = (char)i; |
duke@1 | 101 | if (C != results[i]) { |
duke@1 | 102 | cached = false; |
duke@1 | 103 | System.err.println("Char value " + C + |
duke@1 | 104 | " is not cached appropriately."); |
duke@1 | 105 | } |
duke@1 | 106 | } |
duke@1 | 107 | |
duke@1 | 108 | for(int i = Character.MIN_VALUE; i < Character.MAX_VALUE; i++) { |
duke@1 | 109 | Character C; |
duke@1 | 110 | C = (char)i; |
duke@1 | 111 | if (C.charValue() != i) { |
duke@1 | 112 | cached = false; |
duke@1 | 113 | System.err.println("Erroneous autoboxing conversion for " + |
duke@1 | 114 | "char value " + i + " ."); |
duke@1 | 115 | } |
duke@1 | 116 | } |
duke@1 | 117 | |
duke@1 | 118 | return cached; |
duke@1 | 119 | } |
duke@1 | 120 | |
duke@1 | 121 | static boolean verifyIntegerCaching() { |
duke@1 | 122 | boolean cached = true; |
duke@1 | 123 | |
duke@1 | 124 | Integer results[] = new Integer[-(-128) + 127 +1]; |
duke@1 | 125 | for(int i = 0; i < results.length; i++) |
duke@1 | 126 | results[i] = (i-128); |
duke@1 | 127 | |
duke@1 | 128 | for(int i = 0; i < results.length; i++) { |
duke@1 | 129 | Integer I = (i-128); |
duke@1 | 130 | if (I != results[i]) { |
duke@1 | 131 | cached = false; |
duke@1 | 132 | System.err.println("Integer value " + I + |
duke@1 | 133 | " is not cached appropriately."); |
duke@1 | 134 | } |
duke@1 | 135 | } |
duke@1 | 136 | |
duke@1 | 137 | for(int i = -256; i < 255; i++) { |
duke@1 | 138 | Integer I; |
duke@1 | 139 | I = i; |
duke@1 | 140 | if (I.intValue() != i) { |
duke@1 | 141 | cached = false; |
duke@1 | 142 | System.err.println("Erroneous autoboxing conversion for " + |
duke@1 | 143 | "int value " + i + " ."); |
duke@1 | 144 | } |
duke@1 | 145 | } |
duke@1 | 146 | |
duke@1 | 147 | return cached; |
duke@1 | 148 | } |
duke@1 | 149 | |
duke@1 | 150 | static boolean verifyLongCaching() { |
duke@1 | 151 | boolean cached = true; |
duke@1 | 152 | |
duke@1 | 153 | Long results[] = new Long[-(-128) + 127 +1]; |
duke@1 | 154 | for(int i = 0; i < results.length; i++) |
duke@1 | 155 | results[i] = (long)(i-128); |
duke@1 | 156 | |
duke@1 | 157 | for(int i = 0; i < results.length; i++) { |
duke@1 | 158 | Long L = (long)(i-128); |
duke@1 | 159 | if (L != results[i]) { |
duke@1 | 160 | cached = false; |
duke@1 | 161 | System.err.println("Integer value " + L + |
duke@1 | 162 | " is not cached appropriately."); |
duke@1 | 163 | } |
duke@1 | 164 | } |
duke@1 | 165 | |
duke@1 | 166 | for(int i = -256; i < 255; i++) { |
duke@1 | 167 | Integer L; |
duke@1 | 168 | L = i; |
duke@1 | 169 | if (L.longValue() != i) { |
duke@1 | 170 | cached = false; |
duke@1 | 171 | System.err.println("Erroneous autoboxing conversion for " + |
duke@1 | 172 | "int value " + i + " ."); |
duke@1 | 173 | } |
duke@1 | 174 | } |
duke@1 | 175 | |
duke@1 | 176 | return cached; |
duke@1 | 177 | } |
duke@1 | 178 | |
duke@1 | 179 | static boolean verifyShortCaching() { |
duke@1 | 180 | boolean cached = true; |
duke@1 | 181 | |
duke@1 | 182 | Short results[] = new Short[-(-128) + 127 +1]; |
duke@1 | 183 | for(int i = 0; i < results.length; i++) |
duke@1 | 184 | results[i] = (short)(i-128); |
duke@1 | 185 | |
duke@1 | 186 | for(int i = 0; i < results.length; i++) { |
duke@1 | 187 | Short S = (short)(i-128); |
duke@1 | 188 | if (S != results[i]) { |
duke@1 | 189 | cached = false; |
duke@1 | 190 | System.err.println("Short value " + S + |
duke@1 | 191 | " is not cached appropriately."); |
duke@1 | 192 | } |
duke@1 | 193 | } |
duke@1 | 194 | |
duke@1 | 195 | for(int i = Short.MIN_VALUE; i < Short.MAX_VALUE; i++) { |
duke@1 | 196 | Short S; |
duke@1 | 197 | S = (short)i; |
duke@1 | 198 | if (S.shortValue() != i) { |
duke@1 | 199 | cached = false; |
duke@1 | 200 | System.err.println("Erroneous autoboxing conversion for " + |
duke@1 | 201 | "short value " + i + " ."); |
duke@1 | 202 | } |
duke@1 | 203 | } |
duke@1 | 204 | |
duke@1 | 205 | return cached; |
duke@1 | 206 | } |
duke@1 | 207 | |
duke@1 | 208 | public static void main(String argv[]) { |
duke@1 | 209 | boolean cached = true; |
duke@1 | 210 | |
duke@1 | 211 | cached &= verifyBooleanCaching(); |
duke@1 | 212 | cached &= verifyByteCaching(); |
duke@1 | 213 | cached &= verifyCharacterCaching(); |
duke@1 | 214 | cached &= verifyIntegerCaching(); |
duke@1 | 215 | cached &= verifyLongCaching(); |
duke@1 | 216 | cached &= verifyShortCaching(); |
duke@1 | 217 | |
duke@1 | 218 | if (!cached) |
duke@1 | 219 | throw new RuntimeException("Values not cached appropriately."); |
duke@1 | 220 | } |
duke@1 | 221 | } |