/**
* 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.mahout.math.list;
import org.apache.mahout.math.MahoutTestCase;
import org.junit.Test;
/** tests for {@link ObjectArrayList}*/
public class ObjectArrayListTest extends MahoutTestCase {
@Test
public void emptyOnCreation() {
ObjectArrayList<String> list = new ObjectArrayList<String>();
assertTrue(list.isEmpty());
assertEquals(0, list.size());
list.add("1");
list.add("2");
list.add("3");
assertEquals(3, list.size());
}
@Test
public void correctSizeAfterInstantiation() {
ObjectArrayList<String> list = new ObjectArrayList<String>(100);
assertTrue(list.isEmpty());
assertEquals(0, list.size());
}
@Test
public void correctSizeAfterInstantiationWithElements() {
ObjectArrayList<String> list = new ObjectArrayList<String>(new String[] { "1", "2", "3" });
assertFalse(list.isEmpty());
assertEquals(3, list.size());
}
}