| /* |
| * Copyright (c) 2012, 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. |
| */ |
| |
| /* @test |
| * @bug 7160242 7165118 7197662 |
| * @summary Check if NullPointerException is thrown if the key passed |
| * to remove() is null. |
| * @run main/othervm -Djava.util.prefs.userRoot=. RemoveNullKeyCheck |
| */ |
| |
| import java.util.prefs.Preferences; |
| import java.util.prefs.AbstractPreferences; |
| import java.util.prefs.BackingStoreException; |
| |
| public class RemoveNullKeyCheck { |
| |
| private static boolean failed = false; |
| |
| public static void main(String[] args) throws Exception { |
| checkPreferencesRemove(); |
| checkAbstractPreferencesRemove(); |
| if (failed) { |
| throw new RuntimeException("Expected NullPointerException " + |
| "not thrown"); |
| } |
| } |
| |
| public static void checkPreferencesRemove() { |
| try { |
| Preferences node = Preferences.userRoot().node("N1"); |
| node.remove(null); |
| failed = true; |
| } catch (NullPointerException npe) { |
| } |
| } |
| |
| public static void checkAbstractPreferencesRemove() { |
| |
| Preferences abstrPrefs = new AbstractPreferences(null, "") { |
| @Override |
| protected void putSpi(String key, String value) { |
| } |
| @Override |
| protected String getSpi(String key) { |
| return null; |
| } |
| @Override |
| protected void removeSpi(String key) { |
| } |
| @Override |
| protected void removeNodeSpi() throws BackingStoreException { |
| } |
| @Override |
| protected String[] keysSpi() throws BackingStoreException { |
| return new String[0]; |
| } |
| @Override |
| protected String[] childrenNamesSpi() throws BackingStoreException { |
| return new String[0]; |
| } |
| @Override |
| protected AbstractPreferences childSpi(String name) { |
| return null; |
| } |
| @Override |
| protected void syncSpi() throws BackingStoreException { |
| } |
| @Override |
| protected void flushSpi() throws BackingStoreException { |
| } |
| }; |
| |
| try { |
| abstrPrefs.remove(null); |
| failed = true; |
| } catch(NullPointerException npe) { |
| } |
| } |
| } |