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 4450091 27 * @summary Test ClassLoaderReference.visibleClasses() which is 28 * a direct pass-through of the JVMDI function GetClassLoaderClasses 29 * for inclusion of primitive arrays. 30 * @author Robert Field 31 * 32 * @run build TestScaffold VMConnection TargetListener TargetAdapter 33 * @run compile -g ClassLoaderClassesTest.java 34 * @run driver ClassLoaderClassesTest 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 class ClassLoaderClassesTarg { 45 static int[] intArray = new int[10]; 46 47 static { 48 // make sure our class loader "creates" int[] before tested 49 intArray[1] = 99; 50 } 51 52 public static void main(String[] args){ 53 System.out.println("Goodbye from ClassLoaderClassesTarg!"); 54 } 55 } 56 57 /********** test program **********/ 58 59 public class ClassLoaderClassesTest extends TestScaffold { 60 ReferenceType targetClass; 61 62 ClassLoaderClassesTest (String args[]) { 63 super(args); 64 } 65 66 public static void main(String[] args) throws Exception { 67 new ClassLoaderClassesTest(args).startTests(); 68 } 69 70 /********** test assist **********/ 71 72 boolean findClass(String className) throws Exception { 73 ClassLoaderReference cl = targetClass.classLoader(); 74 Iterator vci = cl.visibleClasses().iterator(); 75 while (vci.hasNext()) { 76 ReferenceType rt = (ReferenceType)vci.next(); 77 println(rt.name() + " - " + rt.classLoader()); 78 if (rt.name().equals(className)) { 79 return true; 80 } 81 } 82 return false; 83 } 84 85 /********** test core **********/ 86 87 protected void runTests() throws Exception { 88 /* 89 * Get to the top of main() to determine targetClass 90 */ 91 BreakpointEvent bpe = startToMain("ClassLoaderClassesTarg"); 92 targetClass = bpe.location().declaringType(); 93 94 if (findClass("int[]")) { 95 println("int[] found"); 96 } else { 97 failure("failed - int[] not found"); 98 } 99 100 // use it indirectly - throws ClassNotLoadedException on error 101 Field arrayField = targetClass.fieldByName("intArray"); 102 ArrayType arrayType = (ArrayType)arrayField.type(); 103 println("Type for intArray is " + arrayType); 104 105 /* 106 * resume the target until end 107 */ 108 listenUntilVMDisconnect(); 109 110 /* 111 * deal with results of test 112 * if anything has called failure("foo") testFailed will be true 113 */ 114 if (!testFailed) { 115 println("ClassLoaderClassesTest: passed"); 116 } else { 117 throw new Exception("ClassLoaderClassesTest: failed"); 118 } 119 } 120 }