/*

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 * 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.

 *

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 */

/*

 * @test

 * @bug     8047795 8053938

 * @summary Ensure that replaceAll operator cannot add bad elements

 * @author  Mike Duigou

 */

import java.util.*;

import java.util.function.UnaryOperator;

public class CheckedListReplaceAll {

    public static void main(String[] args) {

        List unwrapped = Arrays.asList(new Object[]{1, 2, 3});

        List<Object> wrapped = Collections.checkedList(unwrapped, Integer.class);

        UnaryOperator evil = e -> (((int) e) % 2 != 0) ? e : "evil";

        try {

            wrapped.replaceAll(evil);

            System.out.printf("Bwahaha! I have defeated you! %s\n", wrapped);

            throw new RuntimeException("String added to checked List<Integer>");

        } catch (ClassCastException thwarted) {

            thwarted.printStackTrace(System.out);

            System.out.println("Curses! Foiled again!");

        }

        unwrapped = Arrays.asList(new Object[]{});  // Empty list

        wrapped = Collections.checkedList(unwrapped, Integer.class);

        try {

            wrapped.replaceAll((UnaryOperator)null);

            System.out.printf("Bwahaha! I have defeated you! %s\n", wrapped);

            throw new RuntimeException("NPE not thrown when passed a null operator");

        } catch (NullPointerException thwarted) {

            thwarted.printStackTrace(System.out);

            System.out.println("Curses! Foiled again!");

        }

    }

}