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 4419450 27 * @summary Test newInstance() for arrays - currently covers 28 * only reference type arrays (see bug #4450091). 29 * 30 * @author Robert Field 31 * 32 * @modules jdk.jdi 33 * @run build TestScaffold VMConnection TargetListener TargetAdapter 34 * @run compile -g NewInstanceTest.java 35 * @run driver NewInstanceTest 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 interface IfcFoo { 46 } 47 class ClsFoo implements IfcFoo { 48 } 49 50 class NewInstanceTarg { 51 static ClsFoo aFoo = new ClsFoo(); 52 53 static Object[] objArray = new Object[10]; 54 static ClsFoo[] clsArray = new ClsFoo[10]; 55 static IfcFoo[] ifc0Array = new IfcFoo[10]; 56 static IfcFoo[] ifcArray = {aFoo, aFoo}; 57 58 public static void main(String[] args){ 59 System.out.println("Howdy!"); 60 System.out.println("Goodbye from NewInstanceTarg!"); 61 } 62 } 63 64 /********** test program **********/ 65 66 public class NewInstanceTest extends TestScaffold { 67 ReferenceType targetClass; 68 69 NewInstanceTest (String args[]) { 70 super(args); 71 } 72 73 public static void main(String[] args) throws Exception { 74 new NewInstanceTest(args).startTests(); 75 } 76 77 /********** test assist **********/ 78 79 void makeArray(String fieldName) throws Exception { 80 println("Making array for field: " + fieldName); 81 Field arrayField = targetClass.fieldByName(fieldName); 82 ArrayType arrayType = (ArrayType)arrayField.type(); 83 println("Type for " + fieldName + " is " + arrayType); 84 ArrayReference arrayReference = arrayType.newInstance(20); 85 println("Passed subtest: " + fieldName); 86 } 87 88 /********** test core **********/ 89 90 protected void runTests() throws Exception { 91 /* 92 * Get to the top of main() 93 * to determine targetClass 94 */ 95 BreakpointEvent bpe = startToMain("NewInstanceTarg"); 96 targetClass = bpe.location().declaringType(); 97 98 makeArray("objArray"); 99 makeArray("clsArray"); 100 makeArray("ifc0Array"); 101 makeArray("ifcArray"); 102 103 /* 104 * resume the target until end 105 */ 106 listenUntilVMDisconnect(); 107 108 /* 109 * deal with results of test 110 * if anything has called failure("foo") testFailed will be true 111 */ 112 if (!testFailed) { 113 println("NewInstanceTest: passed"); 114 } else { 115 throw new Exception("NewInstanceTest: failed"); 116 } 117 } 118 }