J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003-2004 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /** |
| 25 | * @test |
| 26 | * @bug 4916263 |
| 27 | * @summary Test |
| 28 | * |
| 29 | * @author Serguei Spitsyn |
| 30 | * |
| 31 | * @run build TestScaffold VMConnection TargetListener TargetAdapter |
| 32 | * @run compile -g LocalVariableEqual.java |
| 33 | * @run main LocalVariableEqual |
| 34 | */ |
| 35 | import com.sun.jdi.*; |
| 36 | import com.sun.jdi.event.*; |
| 37 | import com.sun.jdi.request.*; |
| 38 | import java.util.*; |
| 39 | |
| 40 | /********** target program **********/ |
| 41 | |
| 42 | class LocalVariableEqualTarg { |
| 43 | public static void main(String[] args){ |
| 44 | int intVar = 10; |
| 45 | System.out.println("LocalVariableEqualTarg: Started"); |
| 46 | intVar = staticMeth(intVar); |
| 47 | System.out.println("LocalVariableEqualTarg: Finished"); |
| 48 | } |
| 49 | |
| 50 | public static int staticMeth(int intArg) { |
| 51 | System.out.println("staticMeth: Started"); |
| 52 | int result; |
| 53 | { |
| 54 | { boolean bool_1 = false; |
| 55 | intArg++; |
| 56 | { |
| 57 | { byte byte_2 = 2; |
| 58 | intArg++; |
| 59 | } |
| 60 | byte byte_1 = 1; |
| 61 | intArg++; |
| 62 | } |
| 63 | } |
| 64 | boolean bool_2 = true; |
| 65 | intArg++; |
| 66 | } |
| 67 | { |
| 68 | { |
| 69 | { |
| 70 | { char char_1 = '1'; |
| 71 | intArg++; |
| 72 | } |
| 73 | short short_1 = 1; |
| 74 | intArg++; |
| 75 | } |
| 76 | } |
| 77 | { short short_2 = 2; |
| 78 | intArg++; |
| 79 | } |
| 80 | char char_2 = '2'; |
| 81 | intArg++; |
| 82 | } |
| 83 | { |
| 84 | { int int_1 = 1; |
| 85 | intArg++; |
| 86 | } |
| 87 | long long_1 = 1; |
| 88 | intArg++; |
| 89 | } |
| 90 | { |
| 91 | { float float_1 = 1; |
| 92 | intArg++; |
| 93 | } |
| 94 | double double_2 = 2; |
| 95 | intArg++; |
| 96 | } |
| 97 | { |
| 98 | { String string_1 = "1"; |
| 99 | intArg++; |
| 100 | } |
| 101 | Object obj_2 = new Object(); |
| 102 | intArg++; |
| 103 | } |
| 104 | result = 10; |
| 105 | System.out.println("staticMeth: Finished"); |
| 106 | return result; |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | |
| 111 | /********** test program **********/ |
| 112 | |
| 113 | public class LocalVariableEqual extends TestScaffold { |
| 114 | ReferenceType targetClass; |
| 115 | ThreadReference mainThread; |
| 116 | |
| 117 | LocalVariableEqual (String args[]) { |
| 118 | super(args); |
| 119 | } |
| 120 | |
| 121 | public static void main(String[] args) throws Exception { |
| 122 | new LocalVariableEqual(args).startTests(); |
| 123 | } |
| 124 | |
| 125 | /********** test assist **********/ |
| 126 | |
| 127 | Method getMethod(String className, String methodName) { |
| 128 | List refs = vm().classesByName(className); |
| 129 | if (refs.size() != 1) { |
| 130 | failure("Test failure: " + refs.size() + |
| 131 | " ReferenceTypes named: " + className); |
| 132 | return null; |
| 133 | } |
| 134 | ReferenceType refType = (ReferenceType)refs.get(0); |
| 135 | List meths = refType.methodsByName(methodName); |
| 136 | if (meths.size() != 1) { |
| 137 | failure("Test failure: " + meths.size() + |
| 138 | " methods named: " + methodName); |
| 139 | return null; |
| 140 | } |
| 141 | return (Method)meths.get(0); |
| 142 | } |
| 143 | |
| 144 | void printVariable(LocalVariable lv, int index) throws Exception { |
| 145 | if (lv == null) { |
| 146 | println(" Var name: null"); |
| 147 | return; |
| 148 | } |
| 149 | String tyname = lv.typeName(); |
| 150 | println(" Var: " + lv.name() + ", index: " + index + ", type: " + tyname + |
| 151 | ", Signature: " + lv.type().signature()); |
| 152 | // Sorry, there is no way to take local variable slot numbers using JDI! |
| 153 | // It is because method LocalVariableImpl.slot() is private. |
| 154 | } |
| 155 | |
| 156 | void compareTwoEqualVars(LocalVariable lv1, LocalVariable lv2) { |
| 157 | if (lv1.equals(lv2)) { |
| 158 | println(" Success: equality of local vars detected"); |
| 159 | } else { |
| 160 | failure(" Failure: equality of local vars is NOT detected"); |
| 161 | } |
| 162 | if (lv1.hashCode() == lv2.hashCode()) { |
| 163 | println(" Success: hashCode's of equal local vars are equal"); |
| 164 | } else { |
| 165 | failure(" Failure: hashCode's of equal local vars differ"); |
| 166 | } |
| 167 | if (lv1.compareTo(lv2) == 0) { |
| 168 | println(" Success: compareTo() is correct for equal local vars"); |
| 169 | } else { |
| 170 | failure(" Failure: compareTo() is NOT correct for equal local vars"); |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | void compareTwoDifferentVars(LocalVariable lv1, LocalVariable lv2) { |
| 175 | if (!lv1.equals(lv2)) { |
| 176 | println(" Success: difference of local vars detected"); |
| 177 | } else { |
| 178 | failure(" Failure: difference of local vars is NOT detected"); |
| 179 | } |
| 180 | if (lv1.hashCode() != lv2.hashCode()) { |
| 181 | println(" Success: hashCode's of different local vars differ"); |
| 182 | } else { |
| 183 | failure(" Failure: hashCode's of different local vars are equal"); |
| 184 | } |
| 185 | if (lv1.compareTo(lv2) != 0) { |
| 186 | println(" Success: compareTo() is correct for different local vars"); |
| 187 | } else { |
| 188 | failure(" Failure: compareTo() is NOT correct for different local vars"); |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | void compareAllVariables(String className, String methodName) throws Exception { |
| 193 | println("compareAllVariables for method: " + className + "." + methodName); |
| 194 | Method method = getMethod(className, methodName); |
| 195 | List localVars; |
| 196 | try { |
| 197 | localVars = method.variables(); |
| 198 | println("\n Success: got a list of all method variables: " + methodName); |
| 199 | } |
| 200 | catch (com.sun.jdi.AbsentInformationException ex) { |
| 201 | failure("\n AbsentInformationException has been thrown"); |
| 202 | return; |
| 203 | } |
| 204 | |
| 205 | // We consider N*N combinations for set of N variables |
| 206 | int index1 = 0; |
| 207 | for (Iterator it1 = localVars.iterator(); it1.hasNext(); index1++) { |
| 208 | LocalVariable lv1 = (LocalVariable) it1.next(); |
| 209 | |
| 210 | int index2 = 0; |
| 211 | for (Iterator it2 = localVars.iterator(); it2.hasNext(); index2++) { |
| 212 | LocalVariable lv2 = (LocalVariable) it2.next(); |
| 213 | |
| 214 | println("\n Two variables:"); |
| 215 | printVariable(lv1, index1); |
| 216 | printVariable(lv2, index2); |
| 217 | println(""); |
| 218 | if (index1 == index2) { |
| 219 | compareTwoEqualVars(lv1, lv2); |
| 220 | } else { |
| 221 | compareTwoDifferentVars(lv1, lv2); |
| 222 | } |
| 223 | } |
| 224 | } |
| 225 | println(""); |
| 226 | return; |
| 227 | } |
| 228 | |
| 229 | /********** test core **********/ |
| 230 | |
| 231 | protected void runTests() throws Exception { |
| 232 | |
| 233 | /* |
| 234 | * Get to the top of main() to determine targetClass and mainThread |
| 235 | */ |
| 236 | BreakpointEvent bpe = startToMain("LocalVariableEqualTarg"); |
| 237 | println("startToMain(LocalVariableEqualTarg)"); |
| 238 | |
| 239 | compareAllVariables("LocalVariableEqualTarg", "staticMeth"); |
| 240 | |
| 241 | /* |
| 242 | * resume until the end |
| 243 | */ |
| 244 | listenUntilVMDisconnect(); |
| 245 | |
| 246 | /* |
| 247 | * deal with results of test |
| 248 | * if anything has called failure("foo") testFailed will be true |
| 249 | */ |
| 250 | if (!testFailed) { |
| 251 | println("\nLocalVariableEqual: passed"); |
| 252 | } else { |
| 253 | throw new Exception("\nLocalVariableEqual: FAILED"); |
| 254 | } |
| 255 | } |
| 256 | } |