testtreebag.java

iBATIS似乎已远离众说纷纭的OR框架之列

/*
 * 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 junit.framework.*;

/**
 * Extension of {@link TestBag} for exercising the {@link TreeBag}
 * implementation.
 *
 * @author Chuck Burdick
 * @version $Id: TestTreeBag.java,v 1.1.4.1 2004/05/22 12:14:05 scolebourne Exp $ */
public class TestTreeBag extends TestBag {
   public TestTreeBag(String testName) {
      super(testName);
   }

   public static Test suite() {
      return new TestSuite(TestTreeBag.class);
   }

   public static void main(String args[]) {
      String[] testCaseName = { TestTreeBag.class.getName() };
      junit.textui.TestRunner.main(testCaseName);
   }

   public Bag makeBag() {
      return new TreeBag();
   }

   public SortedBag setupBag() {
      SortedBag bag = (SortedBag)makeBag();
      bag.add("C");
      bag.add("A");
      bag.add("B");
      bag.add("D");
      return bag;
   }

   public void testOrdering() {
      Bag bag = setupBag();
      assertEquals("Should get elements in correct order",
                   "A", bag.toArray()[0]);
      assertEquals("Should get elements in correct order",
                   "B", bag.toArray()[1]);
      assertEquals("Should get elements in correct order",
                   "C", bag.toArray()[2]);
      assertEquals("Should get first key",
                   "A", ((SortedBag)bag).first());
      assertEquals("Should get last key",
                   "D", ((SortedBag)bag).last());
   }
}