blob: eac63d5ead8bc6e9731df63decb12c3c66356e85 [file] [log] [blame]
/*
* 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) {
}
}
}