1 /* 2 * Copyright (c) 2019, 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 import java.io.BufferedOutputStream; 24 import java.io.DataOutputStream; 25 import java.io.OutputStream; 26 27 /* 28 * @test 29 * @bug 8067801 30 * @summary Ensure constructors throw NPE when passed a null stream 31 */ 32 public class ConstructorNPE { 33 public static void main(String[] args) { 34 int failures = 0; 35 OutputStream os = null; 36 37 try { 38 os = new BufferedOutputStream(null); 39 System.err.println("No NPE for BufferedOutputStream(null)"); 40 failures++; 41 } catch (NullPointerException ignore) { 42 } 43 44 try { 45 os = new DataOutputStream(null); 46 System.err.println("No NPE for DataOutputStream(null)"); 47 failures++; 48 } catch (NullPointerException ignore) { 49 } 50 51 if (failures > 0) throw new RuntimeException(failures + " failures"); 52 } 53 }