1 /* 2 * Copyright (c) 2003, 2016, 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 import javax.sound.sampled.CompoundControl; 25 import javax.sound.sampled.Control; 26 27 /** 28 * @test 29 * @bug 4629190 30 * @summary CompoundControl: getMemberControls() and toString() throw 31 * NullPointerException 32 */ 33 public class ToString { 34 public static void main(String args[]) throws Exception { 35 System.out.println(); 36 System.out.println(); 37 System.out.println("4629190: CompoundControl: getMemberControls() and toString() throw NullPointerException"); 38 39 String firstControlTypeName = "first_Control_Type_Name"; 40 String secondControlTypeName = "second_Control_Type_Name"; 41 String thirdControlTypeName = "third_Control_Type_Name"; 42 43 Control.Type firstControlType = new TestControlType(firstControlTypeName); 44 Control.Type secondControlType = new TestControlType(secondControlTypeName); 45 Control.Type thirdControlType = new TestControlType(thirdControlTypeName); 46 47 Control firstControl = new TestControl(firstControlType); 48 Control secondControl = new TestControl(secondControlType); 49 Control thirdControl = new TestControl(thirdControlType); 50 51 String testCompoundControlTypeName = "CompoundControl_Type_Name"; 52 CompoundControl.Type testCompoundControlType 53 = new TestCompoundControlType(testCompoundControlTypeName); 54 55 Control[] setControls = { firstControl, secondControl, thirdControl }; 56 CompoundControl testedCompoundControl 57 = new TestCompoundControl(testCompoundControlType, setControls); 58 59 // this may throw exception if bug applies 60 Control[] producedControls = testedCompoundControl.getMemberControls(); 61 System.out.println("Got "+producedControls.length+" member controls."); 62 63 // this may throw exception if bug applies 64 String producedString = testedCompoundControl.toString(); 65 System.out.println("toString() returned: "+producedString); 66 67 System.out.println("Test passed."); 68 } 69 70 } 71 72 class TestControl extends Control { 73 74 TestControl(Control.Type type) { 75 super(type); 76 } 77 } 78 79 class TestControlType extends Control.Type { 80 81 TestControlType(String name) { 82 super(name); 83 } 84 } 85 86 class TestCompoundControl extends CompoundControl { 87 88 TestCompoundControl(CompoundControl.Type type, Control[] memberControls) { 89 super(type, memberControls); 90 } 91 } 92 93 class TestCompoundControlType extends CompoundControl.Type { 94 95 TestCompoundControlType(String name) { 96 super(name); 97 } 98 }