--- /dev/null 2019-07-17 13:35:12.000000000 -0700 +++ new/test/jdk/java/io/NPETests.java 2019-07-17 13:35:11.000000000 -0700 @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +import java.io.BufferedInputStream; +import java.io.BufferedOutputStream; +import java.io.DataInputStream; +import java.io.DataOutputStream; +import java.io.InputStream; +import java.io.OutputStream; +import java.io.PushbackInputStream; + +import org.testng.annotations.Test; +import static org.testng.Assert.*; + +/* + * @test + * @bug 8067801 + * @run testng NPETests + * @summary Ensure constructors throw NPE when passed a null stream + */ +public class NPETests { + + @Test + public static void BufferedInputStreamConstructor() { + assertThrows(NullPointerException.class, + () -> new BufferedInputStream(null)); + } + + @Test + public static void DataInputStreamConstructor() { + assertThrows(NullPointerException.class, + () -> new DataInputStream(null)); + } + + @Test + public static void PushbackInputStreamConstructor() { + assertThrows(NullPointerException.class, + () -> new PushbackInputStream(null)); + } + + @Test + public static void BufferedOutputStreamConstructor() { + assertThrows(NullPointerException.class, + () -> new BufferedOutputStream(null)); + } + + @Test + public static void DataOutputStreamConstructor() { + assertThrows(NullPointerException.class, + () -> new DataOutputStream(null)); + } +}