package org.apache.wiki.util.comparators;

import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;

import java.security.Principal;


public class PrincipalComparatorTest {

    @Test
    public void testComparatorOrder() {
        final Principal p1 = () -> "a";
        final Principal p2 = () -> "b";
        final PrincipalComparator pc = new PrincipalComparator();

        Assertions.assertEquals( -1, pc.compare( p1, p2 ) );
        Assertions.assertEquals( 0, pc.compare( p1, p1 ) );
        Assertions.assertEquals( 1, pc.compare( p2, p1 ) );

        Assertions.assertThrows( NullPointerException.class, () -> pc.compare( null, p1  ) );
        Assertions.assertThrows( NullPointerException.class, () -> pc.compare( p1, null  ) );
        Assertions.assertThrows( NullPointerException.class, () -> pc.compare( null, null  ) );
    }

}

@@ -1,8 +1,827 @@
+/*%0A    Licensed to the Apache Software Foundation (ASF) under one%0A    or more contributor license agreements.  See the NOTICE file%0A    distributed with this work for additional information%0A    regarding copyright ownership.  The ASF licenses this file%0A    to you under the Apache License, Version 2.0 (the%0A    %22License%22); you may not use this file except in compliance%0A    with the License.  You may obtain a copy of the License at%0A%0A       http://www.apache.org/licenses/LICENSE-2.0%0A%0A    Unless required by applicable law or agreed to in writing,%0A    software distributed under the License is distributed on an%0A    %22AS IS%22 BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY%0A    KIND, either express or implied.  See the License for the%0A    specific language governing permissions and limitations%0A    under the License.%0A */%0A
 package 

add missing license