/*
 * Copyright 2016 HuntBugs contributors
 * 
 * Licensed 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 one.util.huntbugs.util;

import static org.junit.Assert.*;

import java.util.Arrays;

import org.junit.Test;

/**
 * @author lan
 *
 */
public class TestIterables {
    @Test
    public void testConcat() {
        assertEquals(Arrays.asList(1, 2, 3), Iterables
                .toList(Iterables.concat(Arrays.asList(1, 2, 3), Arrays.asList())));
        assertEquals(Arrays.asList(1, 2, 3), Iterables
                .toList(Iterables.concat(Arrays.asList(), Arrays.asList(1, 2, 3))));
        assertEquals(Arrays.asList(), Iterables.toList(Iterables.concat(Arrays.asList(), Arrays.asList())));
        assertEquals(Arrays.asList(1, 2, 3, 4, 5, 6), Iterables.toList(Iterables.concat(Arrays.asList(1, 2, 3), Arrays
                .asList(4, 5, 6))));
    }
}
