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.BufferedInputStream; 24 import java.io.BufferedOutputStream; 25 import java.io.DataInputStream; 26 import java.io.DataOutputStream; 27 import java.io.InputStream; 28 import java.io.OutputStream; 29 import java.io.PushbackInputStream; 30 31 import org.testng.annotations.Test; 32 import static org.testng.Assert.*; 33 34 /* 35 * @test 36 * @bug 8067801 37 * @run testng NPETests 38 * @summary Ensure constructors throw NPE when passed a null stream 39 */ 40 public class NPETests { 41 42 @Test 43 public static void BufferedInputStreamConstructor() { 44 assertThrows(NullPointerException.class, 45 () -> new BufferedInputStream(null)); 46 assertThrows(NullPointerException.class, 47 () -> new BufferedInputStream(null, 42)); 48 } 49 50 @Test 51 public static void DataInputStreamConstructor() { 52 assertThrows(NullPointerException.class, 53 () -> new DataInputStream(null)); 54 } 55 56 @Test 57 public static void PushbackInputStreamConstructor() { 58 assertThrows(NullPointerException.class, 59 () -> new PushbackInputStream(null)); 60 assertThrows(NullPointerException.class, 61 () -> new PushbackInputStream(null, 42)); 62 } 63 64 @Test 65 public static void BufferedOutputStreamConstructor() { 66 assertThrows(NullPointerException.class, 67 () -> new BufferedOutputStream(null)); 68 assertThrows(NullPointerException.class, 69 () -> new BufferedOutputStream(null, 42)); 70 } 71 72 @Test 73 public static void DataOutputStreamConstructor() { 74 assertThrows(NullPointerException.class, 75 () -> new DataOutputStream(null)); 76 } 77 }