testiteratorutils.java

来自「iBATIS似乎已远离众说纷纭的OR框架之列」· Java 代码 · 共 65 行

/*
 * Copyright 1999-2004 The Apache Software Foundation
 *
 * 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.apache.commons.collections;

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

import junit.framework.Test;
/**
 *  Tests for IteratorUtils.
 */
public class TestIteratorUtils extends BulkTest {

    public TestIteratorUtils(String name) {
        super(name);
    }


    public static Test suite() {
        return BulkTest.makeSuite(TestIteratorUtils.class);
    }

    public void testToList() {
        List list = new ArrayList();
        list.add(new Integer(1));
        list.add("Two");
        list.add(null);
        List result = IteratorUtils.toList(list.iterator());
        assertEquals(list, result);
    }

    public void testToArray() {
        List list = new ArrayList();
        list.add(new Integer(1));
        list.add("Two");
        list.add(null);
        Object[] result = IteratorUtils.toArray(list.iterator());
        assertEquals(list, Arrays.asList(result));
    }

    public void testToArray2() {
        List list = new ArrayList();
        list.add("One");
        list.add("Two");
        list.add(null);
        String[] result = (String[]) IteratorUtils.toArray(list.iterator(), String.class);
        assertEquals(list, Arrays.asList(result));
    }

}