/*

 * Copyright (c) 2015, 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.

 */

import java.lang.reflect.Constructor;

import java.util.prefs.Preferences;

import java.util.prefs.PreferencesFactory;

/*

 * @test

 * @bug 8068373

 * @summary Ensure writing a code point U+0000 null control character is detected.

 */

public class CodePointZeroPrefsTest

{

    public static void main(String[] args) throws Exception

    {

        int failures = 0;

        // Deliberately reflect so you can reproduce it on any platform.

        Constructor<? extends PreferencesFactory> constructor =

            Class.forName("java.util.prefs.FileSystemPreferencesFactory").asSubclass(PreferencesFactory.class).getDeclaredConstructor();

        constructor.setAccessible(true);

        PreferencesFactory factory = constructor.newInstance();

        Preferences node = factory.userRoot().node("com/acme/testing");

        // legal key and value

        try {

            node.put("a", "1");

        } catch (IllegalArgumentException iae) {

            System.err.println("Unexpected IllegalArgumentException for legal key");

            failures++;

        }

        // illegal key only

        int numIAEs = 0;

        try {

            node.put("a\u0000b", "1");

            System.err.println("IllegalArgumentException not thrown for illegal key");

            failures++;

        } catch (IllegalArgumentException iae) {

            // do nothing

        }

        // illegal value only

        numIAEs = 0;

        try {

            node.put("ab", "2\u00003");

            System.err.println("IllegalArgumentException not thrown for illegal value");

            failures++;

        } catch (IllegalArgumentException iae) {

            // do nothing

        }

        // illegal key and value

        numIAEs = 0;

        try {

            node.put("a\u0000b", "2\u00003");

            System.err.println("IllegalArgumentException not thrown for illegal entry");

            failures++;

        } catch (IllegalArgumentException iae) {

            // do nothing

        }

        if (failures != 0) {

            throw new RuntimeException("CodePointZeroPrefsTest failed with "

                + failures + " errors!");

        }

    }

}