--- /dev/null 2019-07-17 09:08:49.000000000 -0700 +++ new/test/jdk/java/io/FilterInputStream/ConstructorNPE.java 2019-07-17 09:08:48.000000000 -0700 @@ -0,0 +1,61 @@ +/* + * 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.DataInputStream; +import java.io.InputStream; +import java.io.PushbackInputStream; + +/* + * @test + * @bug 8067801 + * @summary Ensure constructors throw NPE when passed a null stream + */ +public class ConstructorNPE { + public static void main(String[] args) { + int failures = 0; + InputStream os = null; + + try { + os = new BufferedInputStream(null); + System.err.println("No NPE for BufferedInputStream(null)"); + failures++; + } catch (NullPointerException ignore) { + } + + try { + os = new DataInputStream(null); + System.err.println("No NPE for DataInputStream(null)"); + failures++; + } catch (NullPointerException ignore) { + } + + try { + os = new PushbackInputStream(null); + System.err.println("No NPE for PushbackInputStream(null)"); + failures++; + } catch (NullPointerException ignore) { + } + + if (failures > 0) throw new RuntimeException(failures + " failures"); + } +}