100 lines
3.3 KiB
Java
100 lines
3.3 KiB
Java
/*
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* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @bug 7160242 7165118 7197662
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* @summary Check if NullPointerException is thrown if the key passed
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* to remove() is null.
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* @run main/othervm -Djava.util.prefs.userRoot=. RemoveNullKeyCheck
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*/
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import java.util.prefs.Preferences;
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import java.util.prefs.AbstractPreferences;
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import java.util.prefs.BackingStoreException;
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public class RemoveNullKeyCheck {
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private static boolean failed = false;
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public static void main(String[] args) throws Exception {
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checkPreferencesRemove();
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checkAbstractPreferencesRemove();
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if (failed) {
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throw new RuntimeException("Expected NullPointerException " +
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"not thrown");
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}
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}
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public static void checkPreferencesRemove() {
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try {
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Preferences node = Preferences.userRoot().node("N1");
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node.remove(null);
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failed = true;
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} catch (NullPointerException npe) {
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}
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}
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public static void checkAbstractPreferencesRemove() {
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Preferences abstrPrefs = new AbstractPreferences(null, "") {
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@Override
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protected void putSpi(String key, String value) {
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}
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@Override
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protected String getSpi(String key) {
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return null;
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}
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@Override
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protected void removeSpi(String key) {
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}
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@Override
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protected void removeNodeSpi() throws BackingStoreException {
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}
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@Override
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protected String[] keysSpi() throws BackingStoreException {
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return new String[0];
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}
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@Override
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protected String[] childrenNamesSpi() throws BackingStoreException {
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return new String[0];
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}
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@Override
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protected AbstractPreferences childSpi(String name) {
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return null;
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}
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@Override
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protected void syncSpi() throws BackingStoreException {
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}
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@Override
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protected void flushSpi() throws BackingStoreException {
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}
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};
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try {
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abstrPrefs.remove(null);
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failed = true;
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} catch(NullPointerException npe) {
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}
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}
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}
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