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 * 31 * @author Robert Field 32 * 33 * @modules jdk.jdi 34 * @run build TestScaffold VMConnection TargetListener TargetAdapter 35 * @run compile -g ClassLoaderClassesTest.java 36 * @run driver ClassLoaderClassesTest 37 */ 38 import com.sun.jdi.*; 39 import com.sun.jdi.event.*; 40 import com.sun.jdi.request.*; 41 42 import java.util.*; 43 44 /********** target program **********/ 45 46 class ClassLoaderClassesTarg { 47 static int[] intArray = new int[10]; 48 49 static { 50 // make sure our class loader "creates" int[] before tested 51 intArray[1] = 99; 52 } 53 54 public static void main(String[] args){ 55 System.out.println("Goodbye from ClassLoaderClassesTarg!"); 56 } 57 } 58 59 /********** test program **********/ 60 61 public class ClassLoaderClassesTest extends TestScaffold { 62 ReferenceType targetClass; 63 64 ClassLoaderClassesTest (String args[]) { 65 super(args); 66 } 67 68 public static void main(String[] args) throws Exception { 69 new ClassLoaderClassesTest(args).startTests(); 70 } 71 72 /********** test assist **********/ 73 74 boolean findClass(String className) throws Exception { 75 ClassLoaderReference cl = targetClass.classLoader(); 76 Iterator vci = cl.visibleClasses().iterator(); 77 while (vci.hasNext()) { 78 ReferenceType rt = (ReferenceType)vci.next(); 79 println(rt.name() + " - " + rt.classLoader()); 80 if (rt.name().equals(className)) { 81 return true; 82 } 83 } 84 return false; 85 } 86 87 /********** test core **********/ 88 89 protected void runTests() throws Exception { 90 /* 91 * Get to the top of main() to determine targetClass 92 */ 93 BreakpointEvent bpe = startToMain("ClassLoaderClassesTarg"); 94 targetClass = bpe.location().declaringType(); 95 96 if (findClass("int[]")) { 97 println("int[] found"); 98 } else { 99 failure("failed - int[] not found"); 100 } 101 102 // use it indirectly - throws ClassNotLoadedException on error 103 Field arrayField = targetClass.fieldByName("intArray"); 104 ArrayType arrayType = (ArrayType)arrayField.type(); 105 println("Type for intArray is " + arrayType); 106 107 /* 108 * resume the target until end 109 */ 110 listenUntilVMDisconnect(); 111 112 /* 113 * deal with results of test 114 * if anything has called failure("foo") testFailed will be true 115 */ 116 if (!testFailed) { 117 println("ClassLoaderClassesTest: passed"); 118 } else { 119 throw new Exception("ClassLoaderClassesTest: failed"); 120 } 121 } 122 }