1 /* 2 * Copyright (c) 2013, 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 24 /* 25 * @test 26 * @bug 7179567 27 * @summary Test that URLClassLoader public constructors and factory methods 28 * throw NullPointerException when appropriate. 29 * 30 * Tests whether URLClassLoader public constructors and factory methods throw 31 * appropriate NullPointerExceptions for 1) a null URL array parameter, and 32 * 2) a non-null URL array containing a null element. 33 */ 34 35 import java.io.File; 36 import java.io.IOException; 37 import java.net.URL; 38 import java.net.URLClassLoader; 39 import java.util.jar.JarFile; 40 41 public class NullURLTest { 42 JarFile jarFile; 43 44 public static void main(String[] args) throws Throwable { 45 new NullURLTest(); 46 } 47 48 NullURLTest() throws Throwable { 49 File local = new File(System.getProperty("test.src", "."), "jars"); 50 String path = "jar:file:" 51 + local.getPath() 52 + "/class_path_test.jar!/Foo.class"; 53 54 URL validURL = new URL(path); 55 URL[] validURLArray = new URL[] { validURL, validURL }; 56 URL[] invalidURLArray = new URL[] { validURL, null }; 57 58 int failures = 0; 59 URLClassLoader loader; 60 61 try { 62 loader = new URLClassLoader(validURLArray); 63 } catch (Throwable t) { 64 System.err.println("URLClassLoader(validURLArray) threw " + t); 65 failures++; 66 } 67 try { 68 loader = new URLClassLoader(null); 69 System.err.println("URLClassLoader(null) did not throw NPE"); 70 failures++; 71 } catch (NullPointerException e) { 72 // expected 73 } 74 // This section should be uncommented if 8026517 is fixed. 75 // try { 76 // loader = new URLClassLoader(invalidURLArray); 77 // System.err.println("URLClassLoader(invalidURLArray) did not throw NPE"); 78 // failures++; 79 // } catch (NullPointerException e) { 80 // // expected 81 // } 82 83 try { 84 loader = new URLClassLoader(validURLArray, null); 85 } catch (Throwable t) { 86 System.err.println("URLClassLoader(validURLArray, null) threw " + t); 87 failures++; 88 } 89 try { 90 loader = new URLClassLoader(null, null); 91 System.err.println("URLClassLoader(null, null) did not throw NPE"); 92 failures++; 93 } catch (NullPointerException e) { 94 // expected 95 } 96 // This section should be uncommented if 8026517 is fixed. 97 // try { 98 // loader = new URLClassLoader(invalidURLArray, null); 99 // System.err.println("URLClassLoader(invalidURLArray, null) did not throw NPE"); 100 // failures++; 101 // } catch (NullPointerException e) { 102 // // expected 103 // } 104 105 try { 106 loader = new URLClassLoader(validURLArray, null, null); 107 } catch (Throwable t) { 108 System.err.println("URLClassLoader(validURLArray, null, null) threw " + t); 109 failures++; 110 } 111 try { 112 loader = new URLClassLoader(null, null, null); 113 System.err.println("URLClassLoader(null, null, null) did not throw NPE"); 114 failures++; 115 } catch (NullPointerException e) { 116 // expected 117 } 118 // This section should be uncommented if 8026517 is fixed. 119 // try { 120 // loader = new URLClassLoader(invalidURLArray, null, null); 121 // System.err.println("URLClassLoader(invalidURLArray, null, null) did not throw NPE"); 122 // failures++; 123 // } catch (NullPointerException e) { 124 // // expected 125 // } 126 127 try { 128 loader = URLClassLoader.newInstance(validURLArray); 129 } catch (Throwable t) { 130 System.err.println("URLClassLoader.newInstance(validURLArray) threw " + t); 131 failures++; 132 } 133 try { 134 loader = URLClassLoader.newInstance(null); 135 System.err.println("URLClassLoader.newInstance(null) did not throw NPE"); 136 failures++; 137 } catch (NullPointerException e) { 138 // expected 139 } 140 // This section should be uncommented if 8026517 is fixed. 141 // try { 142 // loader = URLClassLoader.newInstance(invalidURLArray); 143 // System.err.println("URLClassLoader.newInstance(invalidURLArray) did not throw NPE"); 144 // failures++; 145 // } catch (NullPointerException e) { 146 // // expected 147 // } 148 149 try { 150 loader = URLClassLoader.newInstance(validURLArray, null); 151 } catch (Throwable t) { 152 System.err.println("URLClassLoader.newInstance(validURLArray, null) threw " + t); 153 failures++; 154 } 155 try { 156 loader = URLClassLoader.newInstance(null, null); 157 System.err.println("URLClassLoader.newInstance(null, null) did not throw NPE"); 158 failures++; 159 } catch (NullPointerException e) { 160 // expected 161 } 162 // This section should be uncommented if 8026517 is fixed. 163 // try { 164 // loader = URLClassLoader.newInstance(invalidURLArray, null); 165 // System.err.println("URLClassLoader.newInstance(invalidURLArray, null) did not throw NPE"); 166 // failures++; 167 // } catch (NullPointerException e) { 168 // // expected 169 // } 170 171 if (failures != 0) { 172 throw new Exception("URLClassLoader NullURLTest had "+failures+" failures!"); 173 } 174 } 175 }