1 /* 2 * Copyright (c) 2001, 2015, 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 * @test 26 * @bug 4419453 27 * @summary Test that Method.location() returns the right values 28 * 29 * @author Robert Field 30 * 31 * @modules jdk.jdi 32 * @run build TestScaffold VMConnection TargetListener TargetAdapter 33 * @run compile -g LocationTest.java 34 * @run driver LocationTest 35 */ 36 import com.sun.jdi.*; 37 import com.sun.jdi.event.*; 38 import com.sun.jdi.request.*; 39 40 import java.util.*; 41 42 /********** target program **********/ 43 44 abstract class AbstractLocationTarg { 45 abstract void foo(); 46 } 47 48 class LocationTarg extends AbstractLocationTarg { 49 public static void main(String[] args){ 50 System.out.println("Howdy!"); // don't change the following 3 lines 51 } 52 void foo() { 53 System.out.println("Never here!"); // must be 3 lines after "Howdy!" 54 } 55 } 56 57 /********** test program **********/ 58 59 public class LocationTest extends TestScaffold { 60 ReferenceType targetClass; 61 ThreadReference mainThread; 62 63 LocationTest (String args[]) { 64 super(args); 65 } 66 67 public static void main(String[] args) throws Exception { 68 new LocationTest(args).startTests(); 69 } 70 71 /********** test assist **********/ 72 73 Location getLocation(String refName, String methodName) { 74 List refs = vm().classesByName(refName); 75 if (refs.size() != 1) { 76 failure("Test failure: " + refs.size() + 77 " ReferenceTypes named: " + refName); 78 return null; 79 } 80 ReferenceType refType = (ReferenceType)refs.get(0); 81 List meths = refType.methodsByName(methodName); 82 if (meths.size() != 1) { 83 failure("Test failure: " + meths.size() + 84 " methods named: " + methodName); 85 return null; 86 } 87 Method meth = (Method)meths.get(0); 88 return meth.location(); 89 } 90 91 /********** test core **********/ 92 93 protected void runTests() throws Exception { 94 Location loc; 95 96 /* 97 * Get to the top of main() to get everything loaded 98 */ 99 startToMain("LocationTarg"); 100 101 /* 102 * Test the values of location() 103 */ 104 loc = getLocation("AbstractLocationTarg", "foo"); 105 if (loc != null) { 106 failure("location of AbstractLocationTarg.foo() should have " + 107 "been null, but was: " + loc); 108 } 109 110 loc = getLocation("java.util.List", "clear"); 111 if (loc != null) { 112 failure("location of java.util.List.clear() " + 113 "should have been null, but was: " + loc); 114 } 115 116 loc = getLocation("java.lang.Object", "getClass"); 117 if (loc == null) { 118 failure("location of Object.getClass() " + 119 "should have been non-null, but was: " + loc); 120 } else { 121 if (!loc.declaringType().name().equals("java.lang.Object")) { 122 failure("location.declaringType() of Object.getClass() " + 123 "should have been java.lang.Object, but was: " + 124 loc.declaringType()); 125 } 126 if (!loc.method().name().equals("getClass")) { 127 failure("location.method() of Object.getClass() " + 128 "should have been getClass, but was: " + 129 loc.method()); 130 } 131 if (loc.codeIndex() != -1) { 132 failure("location.codeIndex() of Object.getClass() " + 133 "should have been -1, but was: " + 134 loc.codeIndex()); 135 } 136 if (loc.lineNumber() != -1) { 137 failure("location.lineNumber() of Object.getClass() " + 138 "should have been -1, but was: " + 139 loc.lineNumber()); 140 } 141 } 142 Location mainLoc = getLocation("LocationTarg", "main"); 143 loc = getLocation("LocationTarg", "foo"); 144 if (loc == null) { 145 failure("location of LocationTarg.foo() " + 146 "should have been non-null, but was: " + loc); 147 } else { 148 if (!loc.declaringType().name().equals("LocationTarg")) { 149 failure("location.declaringType() of LocationTarg.foo() " + 150 "should have been LocationTarg, but was: " + 151 loc.declaringType()); 152 } 153 if (!loc.method().name().equals("foo")) { 154 failure("location.method() of LocationTarg.foo() " + 155 "should have been foo, but was: " + 156 loc.method()); 157 } 158 if (loc.codeIndex() != 0) { // implementation dependent!!! 159 failure("location.codeIndex() of LocationTarg.foo() " + 160 "should have been 0, but was: " + 161 loc.codeIndex()); 162 } 163 if (loc.lineNumber() != (mainLoc.lineNumber() + 3)) { 164 failure("location.lineNumber() of LocationTarg.foo() " + 165 "should have been " + (mainLoc.lineNumber() + 3) + 166 ", but was: " + loc.lineNumber()); 167 } 168 } 169 170 171 /* 172 * resume until the end 173 */ 174 listenUntilVMDisconnect(); 175 176 /* 177 * deal with results of test 178 * if anything has called failure("foo") testFailed will be true 179 */ 180 if (!testFailed) { 181 println("LocationTest: passed"); 182 } else { 183 throw new Exception("LocationTest: failed"); 184 } 185 } 186 }