1/* 2 * Copyright (c) 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 24import java.io.IOException; 25import java.net.MalformedURLException; 26import java.net.URL; 27import java.net.URLClassLoader; 28import java.nio.file.Paths; 29import java.util.Enumeration; 30import java.util.stream.Stream; 31import org.testng.annotations.*; 32 33/* 34 * @test 35 * @bug 8136831 36 * @summary Test null argument to ClassLoader.getResourceXXXX() 37 * @run testng GetResourceNullArg 38 */ 39 40public class GetResourceNullArg { 41 private static class MyClassLoader extends ClassLoader { 42 public MyClassLoader() { 43 super(null); 44 } 45 @Override 46 public Class findClass(String name) throws ClassNotFoundException { 47 throw new ClassNotFoundException("Why are you using this?"); 48 } 49 } 50 51 @DataProvider 52 public static ClassLoader[][] provider() { 53 try { 54 return new ClassLoader[][] { 55 { ClassLoader.getSystemClassLoader() }, 56 { new MyClassLoader() }, 57 { new URLClassLoader(new URL[]{ Paths.get(".").toUri().toURL() }, 58 ClassLoader.getSystemClassLoader()) } 59 }; 60 } catch (MalformedURLException e) { throw new RuntimeException(e); } 61 } 62 63 @Test(expectedExceptions = NullPointerException.class) 64 public void classGetResource() { 65 this.getClass().getResource(null); 66 } 67 68 @Test(expectedExceptions = NullPointerException.class) 69 public void classGetResourceAsStream() { 70 this.getClass().getResourceAsStream(null); 71 } 72 73 @Test(dataProvider = "provider", 74 expectedExceptions = NullPointerException.class) 75 public void loaderGetResource(ClassLoader cl) { 76 cl.getResource(null); 77 } 78 79 @Test(dataProvider = "provider", 80 expectedExceptions = NullPointerException.class) 81 public static void loaderGetResources(ClassLoader cl) throws IOException { 82 Enumeration<URL> retVal = cl.getResources(null); 83 } 84 85 @Test(dataProvider = "provider", 86 expectedExceptions = NullPointerException.class) 87 public static void loaderResources(ClassLoader cl) throws IOException { 88 Stream<URL> retVal = cl.resources(null); 89 } 90 91 @Test(dataProvider = "provider", 92 expectedExceptions = NullPointerException.class) 93 public void loaderGetResourceAsStream(ClassLoader cl) { 94 cl.getResourceAsStream(null); 95 } 96} 97