import static org.junit.Assert.*;

import org.junit.Test;


public class MyArrayListTest {

	@Test
	public void testConstruct() {
		MyArrayList a = new MyArrayList(7);
	}
	
	@Test
	public void testAddGet1() {
		MyArrayList a = new MyArrayList(0);
		a.add("Hello");
		String s = a.get(0);
		assertEquals("Hello",s);
	}
	
	
	@Test
	public void testAddGet2() {
		MyArrayList a = new MyArrayList(0);
		a.add("Hello");
		String s = a.get(0);
		assertEquals("Hello",s);
		a.add("World");
		String s1 = a.get(0);
		assertEquals("Hello",s1);
		String s2 = a.get(1);
		assertEquals("World",s2);	
	}
	
	@Test
	public void testAddGetNull() {
		MyArrayList a = new MyArrayList(0);
		a.add(null);
		String s = a.get(0);
		assertNull(s);
	}
	
	@Test
	public void testRemove() {
		MyArrayList a = new MyArrayList(0);
		a.add("Hello");
		a.add("World");
		a.add("Again");
		a.remove(1);
		String s1 = a.get(0);
		assertEquals("Hello",s1);
		String s2 = a.get(1);
		assertEquals("Again",s2);	
	}
	
	@Test
	public void testIndexOf() {
		MyArrayList a = new MyArrayList(0);
		a.add("Hello");
		a.add("World");
		a.add("Again");
		int i = a.indexOf("World");
		assertEquals(1, i);
	}
	
	@Test
	public void testIndexOfNotPresent() {
		MyArrayList a = new MyArrayList(0);
		a.add("Hello");
		a.add("World");
		a.add("Again");
		int i = a.indexOf("Chocolate");
		assertEquals(-1, i);
	}
	
	@Test
	public void testIndexOfWithNull() {
		MyArrayList a = new MyArrayList(0);
		a.add(null);
		a.add("World");
		a.add("Again");
		int i = a.indexOf("World");
		assertEquals(1, i);
	}
	
}