1 /* 2 * Copyright (c) 2001, 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 * 31 * @author Robert Field 32 * 33 * @run build TestScaffold VMConnection TargetListener TargetAdapter 34 * @run compile -g ClassLoaderClassesTest.java 35 * @run driver ClassLoaderClassesTest 36 */ 37 import com.sun.jdi.*; 38 import com.sun.jdi.event.*; 39 import com.sun.jdi.request.*; 40 41 import java.util.*; 42 43 /********** target program **********/ 44 45 class ClassLoaderClassesTarg { 46 static int[] intArray = new int[10]; 47 48 static { 49 // make sure our class loader "creates" int[] before tested 50 intArray[1] = 99; 51 } 52 53 public static void main(String[] args){ 54 System.out.println("Goodbye from ClassLoaderClassesTarg!"); 55 } 56 } 57 58 /********** test program **********/ 59 60 public class ClassLoaderClassesTest extends TestScaffold { 61 ReferenceType targetClass; 62 63 ClassLoaderClassesTest (String args[]) { 64 super(args); 65 } 66 67 public static void main(String[] args) throws Exception { 68 new ClassLoaderClassesTest(args).startTests(); 69 } 70 71 /********** test assist **********/ 72 73 boolean findClass(String className) throws Exception { 74 ClassLoaderReference cl = targetClass.classLoader(); 75 Iterator vci = cl.visibleClasses().iterator(); 76 while (vci.hasNext()) { 77 ReferenceType rt = (ReferenceType)vci.next(); 78 println(rt.name() + " - " + rt.classLoader()); 79 if (rt.name().equals(className)) { 80 return true; 81 } 82 } 83 return false; 84 } 85 86 /********** test core **********/ 87 88 protected void runTests() throws Exception { 89 /* 90 * Get to the top of main() to determine targetClass 91 */ 92 BreakpointEvent bpe = startToMain("ClassLoaderClassesTarg"); 93 targetClass = bpe.location().declaringType(); 94 95 if (findClass("int[]")) { 96 println("int[] found"); 97 } else { 98 failure("failed - int[] not found"); 99 } 100 101 // use it indirectly - throws ClassNotLoadedException on error 102 Field arrayField = targetClass.fieldByName("intArray"); 103 ArrayType arrayType = (ArrayType)arrayField.type(); 104 println("Type for intArray is " + arrayType); 105 106 /* 107 * resume the target until end 108 */ 109 listenUntilVMDisconnect(); 110 111 /* 112 * deal with results of test 113 * if anything has called failure("foo") testFailed will be true 114 */ 115 if (!testFailed) { 116 println("ClassLoaderClassesTest: passed"); 117 } else { 118 throw new Exception("ClassLoaderClassesTest: failed"); 119 } 120 } 121 }