1 /* 2 * Copyright (c) 2013, 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 * @summary Test ReferenceType.visibleMethods 27 * @bug 8028430 28 * 29 * @author Staffan Larsen 30 * 31 * @modules jdk.jdi 32 * @run build TestScaffold VMConnection TargetListener TargetAdapter 33 * @run compile -g VisibleMethods.java 34 * @run driver VisibleMethods 35 */ 36 import com.sun.jdi.Method; 37 import com.sun.jdi.ReferenceType; 38 import com.sun.jdi.StackFrame; 39 import com.sun.jdi.StringReference; 40 import com.sun.jdi.ThreadReference; 41 import com.sun.jdi.event.BreakpointEvent; 42 43 import java.util.Arrays; 44 import java.util.List; 45 import java.util.stream.Collectors; 46 47 /********** target program **********/ 48 49 interface Super { 50 public void m(Object o); // This method should not be visible in AC 51 public void m(String s); // This method should not be visible in AC 52 } 53 54 interface One extends Super { 55 public void m(Object o); 56 public void m1(); // Either this method or Two.m1 should be visible in AC 57 } 58 59 interface Two extends Super { 60 public void m(String s); 61 public void m1(); // Either this method or One.m1 should be visible in AC 62 } 63 64 abstract class AC implements One, Two { 65 } 66 67 class CC extends AC { 68 public void m(Object o) { 69 } 70 public void m(String s) { 71 } 72 public void m1() { 73 } 74 public static void main(String[] args) { 75 System.out.println("Goodbye from VisibleMethods!"); 76 } 77 } 78 79 /********** test program **********/ 80 81 public class VisibleMethods extends TestScaffold { 82 ReferenceType targetClass; 83 ThreadReference mainThread; 84 85 VisibleMethods(String args[]) { 86 super(args); 87 } 88 89 public static void main(String[] args) throws Exception { 90 new VisibleMethods(args).startTests(); 91 } 92 93 /********** test core **********/ 94 95 protected void runTests() 96 throws Exception 97 { 98 /* 99 * Run to String.<init> 100 */ 101 startToMain("CC"); 102 103 ReferenceType ac = findReferenceType("AC"); 104 List<String> visible = ac.visibleMethods(). 105 stream(). 106 map(Method::toString). 107 collect(Collectors.toList()); 108 109 System.out.println("visibleMethods(): " + visible); 110 111 verifyContains(visible, 1, "Two.m(java.lang.String)"); 112 verifyContains(visible, 1, "One.m(java.lang.Object)"); 113 verifyContains(visible, 0, "Super.m(java.lang.Object)"); 114 verifyContains(visible, 0, "Super.m(java.lang.String)"); 115 verifyContains(visible, 1, "Two.m1()", "One.m1()"); 116 117 /* 118 * resume the target listening for events 119 */ 120 listenUntilVMDisconnect(); 121 } 122 123 private void verifyContains(List<String> methods, int matches, 124 String... sigs) throws Exception { 125 if (countMatches(methods, sigs) != matches) { 126 throw new Exception("visibleMethods() should have contained " 127 + matches + " entry/entries from " + Arrays.toString(sigs)); 128 } 129 } 130 131 private int countMatches(List<String> list1, String[] list2) { 132 int count = 0; 133 for (String s1 : list1) { 134 for (String s2 : list2) { 135 if (s1.equals(s2)) { 136 count++; 137 } 138 } 139 } 140 return count; 141 } 142 }