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 * @author Robert Field 30 * 31 * @run build TestScaffold VMConnection TargetListener TargetAdapter 32 * @run compile -g NewInstanceTest.java 33 * @run driver NewInstanceTest 34 */ 35 import com.sun.jdi.*; 36 import com.sun.jdi.event.*; 37 import com.sun.jdi.request.*; 38 39 import java.util.*; 40 41 /********** target program **********/ 42 43 interface IfcFoo { 44 } 45 class ClsFoo implements IfcFoo { 46 } 47 48 class NewInstanceTarg { 49 static ClsFoo aFoo = new ClsFoo(); 50 51 static Object[] objArray = new Object[10]; 52 static ClsFoo[] clsArray = new ClsFoo[10]; 53 static IfcFoo[] ifc0Array = new IfcFoo[10]; 54 static IfcFoo[] ifcArray = {aFoo, aFoo}; 55 56 public static void main(String[] args){ 57 System.out.println("Howdy!"); 58 System.out.println("Goodbye from NewInstanceTarg!"); 59 } 60 } 61 62 /********** test program **********/ 63 64 public class NewInstanceTest extends TestScaffold { 65 ReferenceType targetClass; 66 67 NewInstanceTest (String args[]) { 68 super(args); 69 } 70 71 public static void main(String[] args) throws Exception { 72 new NewInstanceTest(args).startTests(); 73 } 74 75 /********** test assist **********/ 76 77 void makeArray(String fieldName) throws Exception { 78 println("Making array for field: " + fieldName); 79 Field arrayField = targetClass.fieldByName(fieldName); 80 ArrayType arrayType = (ArrayType)arrayField.type(); 81 println("Type for " + fieldName + " is " + arrayType); 82 ArrayReference arrayReference = arrayType.newInstance(20); 83 println("Passed subtest: " + fieldName); 84 } 85 86 /********** test core **********/ 87 88 protected void runTests() throws Exception { 89 /* 90 * Get to the top of main() 91 * to determine targetClass 92 */ 93 BreakpointEvent bpe = startToMain("NewInstanceTarg"); 94 targetClass = bpe.location().declaringType(); 95 96 makeArray("objArray"); 97 makeArray("clsArray"); 98 makeArray("ifc0Array"); 99 makeArray("ifcArray"); 100 101 /* 102 * resume the target until end 103 */ 104 listenUntilVMDisconnect(); 105 106 /* 107 * deal with results of test 108 * if anything has called failure("foo") testFailed will be true 109 */ 110 if (!testFailed) { 111 println("NewInstanceTest: passed"); 112 } else { 113 throw new Exception("NewInstanceTest: failed"); 114 } 115 } 116 }