ArticleByArticleNameComparatorTest.java

/**
 * Copyright 1999-2009 The Pegadi Team
 *
 * 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 org.pegadi.articlelist;

import junit.framework.TestCase;
import org.pegadi.model.Article;

import java.util.ArrayList;
import java.util.Collections;

public class ArticleByArticleNameComparatorTest extends TestCase {

    ArticleByArticleNameComparator comparator;

    ArrayList articles;

    Article a1, a2, a3, a4, a5, a6;

    public void setUp() {
        comparator = new ArticleByArticleNameComparator();

        articles = new ArrayList();

        a1 = new Article();
        a1.setName("About the earth");
        articles.add(a1);

        a2 = new Article();
        a2.setName("Ziggy Stardust");
        articles.add(a2);

        a3 = new Article();
        a3.setName(null);
        articles.add(a3);

        a4 = new Article();
        a4.setName("Bowling is fun!");
        articles.add(a4);

        a5 = new Article();
        a5.setName(null);
        articles.add(a5);

        a6 = new Article();
        a6.setName(null);
        articles.add(a6);

    }

    public void testComparator() {

        ArrayList list = new ArrayList(articles);

        Collections.sort(list, comparator);

        // Test the order
        assertSame(list.get(0), a1);
        assertSame(list.get(1), a4);
        assertSame(list.get(2), a2);
        assertSame(list.get(3), a3);
        assertSame(list.get(4), a5);
        assertSame(list.get(5), a6);
    }

    public void testToString() {
        comparator = new ArticleByArticleNameComparator("someName");
        assertEquals("someName", comparator.toString());
    }
}