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 4419450 27 * @summary Test newInstance() for arrays - currently covers 28 * only reference type arrays (see bug #4450091). 29 * 30 * @author Robert Field 31 * 32 * @run build TestScaffold VMConnection TargetListener TargetAdapter 33 * @run compile -g NewInstanceTest.java 34 * @run driver NewInstanceTest 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 interface IfcFoo { 45 } 46 class ClsFoo implements IfcFoo { 47 } 48 49 class NewInstanceTarg { 50 static ClsFoo aFoo = new ClsFoo(); 51 52 static Object[] objArray = new Object[10]; 53 static ClsFoo[] clsArray = new ClsFoo[10]; 54 static IfcFoo[] ifc0Array = new IfcFoo[10]; 55 static IfcFoo[] ifcArray = {aFoo, aFoo}; 56 57 public static void main(String[] args){ 58 System.out.println("Howdy!"); 59 System.out.println("Goodbye from NewInstanceTarg!"); 60 } 61 } 62 63 /********** test program **********/ 64 65 public class NewInstanceTest extends TestScaffold { 66 ReferenceType targetClass; 67 68 NewInstanceTest (String args[]) { 69 super(args); 70 } 71 72 public static void main(String[] args) throws Exception { 73 new NewInstanceTest(args).startTests(); 74 } 75 76 /********** test assist **********/ 77 78 void makeArray(String fieldName) throws Exception { 79 println("Making array for field: " + fieldName); 80 Field arrayField = targetClass.fieldByName(fieldName); 81 ArrayType arrayType = (ArrayType)arrayField.type(); 82 println("Type for " + fieldName + " is " + arrayType); 83 ArrayReference arrayReference = arrayType.newInstance(20); 84 println("Passed subtest: " + fieldName); 85 } 86 87 /********** test core **********/ 88 89 protected void runTests() throws Exception { 90 /* 91 * Get to the top of main() 92 * to determine targetClass 93 */ 94 BreakpointEvent bpe = startToMain("NewInstanceTarg"); 95 targetClass = bpe.location().declaringType(); 96 97 makeArray("objArray"); 98 makeArray("clsArray"); 99 makeArray("ifc0Array"); 100 makeArray("ifcArray"); 101 102 /* 103 * resume the target until end 104 */ 105 listenUntilVMDisconnect(); 106 107 /* 108 * deal with results of test 109 * if anything has called failure("foo") testFailed will be true 110 */ 111 if (!testFailed) { 112 println("NewInstanceTest: passed"); 113 } else { 114 throw new Exception("NewInstanceTest: failed"); 115 } 116 } 117 }