ListUtilsTest.java

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


import java.util.Arrays;
import java.util.List;

import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import static org.junit.Assert.assertEquals;


public class ListUtilsTest {

    private static final Logger logger = LoggerFactory.getLogger( ListUtilsTest.class );


    @Test
    public void testListUtils() {

        List<?> l = Arrays.asList( 1, 2, 3 );

        l = Arrays.asList( l, 4, 5, 6 );
        l = Arrays.asList( l, 7, 8, 9 );

        l = ListUtils.flatten( l );
        assertEquals( 9, l.size() );
        logger.info( JsonUtils.mapToFormattedJsonString( l ) );

        l = Arrays.asList( Arrays.asList( 1, 2, 3 ), 4, 5, 6, Arrays.asList( 7, 8, 9 ) );

        l = ListUtils.flatten( l );
        assertEquals( 9, l.size() );
        logger.info( JsonUtils.mapToFormattedJsonString( l ) );
    }
}