package com.xiaol.study;
import static org.junit.Assert.assertEquals;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class ArrayListTest {
@Before
public void setUp() throws Exception {
}
@After
public void tearDown() throws Exception {
}
@Test
public void testAddObject() {
ArrayList list = new ArrayList();
list.add("a");
list.add("b");
list.add("c");
list.add("d");
list.add("e");
list.add("f");
list.add(1);
list.add(2);
list.add(3);
list.add(4);
list.add(5);
list.add(6);
assertEquals(12, list.size());
}
@Test
public void testAddIntObject() {
ArrayList list = new ArrayList();
list.add(1);
list.add(2);
list.add(0, 3);
assertEquals(3, list.get(0));
assertEquals(1, list.get(1));
assertEquals(2, list.get(2));
assertEquals(3, list.size());
}
@Test
public void testGet() {
ArrayList list = new ArrayList();
list.add(1);
list.add(2);
list.add(0, 3);
assertEquals(3, list.get(0));
assertEquals(1, list.get(1));
assertEquals(2, list.get(2));
assertEquals(3, list.size());
}
@Test
public void testRemove() {
ArrayList list = new ArrayList();
list.add(1);
list.add(2);
list.add(0, 3);
assertEquals(3, list.remove(0));
assertEquals(1, list.remove(0));
assertEquals(2, list.remove(0));
assertEquals(0, list.size());
}
@Test
public void testSize() {
ArrayList list = new ArrayList();
list.add(1);
list.add(2);
list.add(0, 3);
assertEquals(3, list.size());
}
}