package com.michaelthomas.list.arraylist;

/**
 * @author Michael Thomas (www.michael-thomas.com) michael@michael-thomas.com
 * 
 */

import static org.junit.Assert.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.junit.Before;
import org.junit.Test;

import com.michaelthomas.collection.MyCollectionSort;
import com.michaelthomas.collection.MyCollectionTraverse;

public class MyArrayListTest {

	private MyCollectionTraverse myCollectionTraverse = new MyCollectionTraverse();
	private MyCollectionSort myCollSort = new MyCollectionSort();
	private MyArrayList myListObj = new MyArrayList();
	private ArrayList<String> list;
	private String expectedDayList = "Sun, Mon, Tue, Wed, Thu, Fri, Sat";
	private String expectedDayListReverse = "Sat, Fri, Thu, Wed, Tue, Mon, Sun";

	@Before
	public void setUp() throws Exception {
		list = myListObj.buildDaysOfWeek();
	}
	
	@Test
	public void testBuildDaysOfWeek() {
		assertEquals(7, list.size());
		assertEquals("[" + expectedDayList + "]",list.toString());
	}

	@Test
	public void testIterateForLoopExample() {
		String daysOfWeekStr = myCollectionTraverse.iterateForLoopExample(list);
		assertEquals(expectedDayList, daysOfWeekStr );
	}

	@Test
	public void iterateForLoopReverseExample() {
		String daysOfWeekStr = myCollectionTraverse.iterateForLoopReverseExample(list);
		assertEquals(expectedDayListReverse, daysOfWeekStr );
	}

	@Test
	public void testIterateWhileExample() {
		String daysOfWeekStr = myCollectionTraverse.iteratorWhileExample(list);
		assertEquals(expectedDayList, daysOfWeekStr );
	}

	@Test
	public void testIterateWhileReverseExample() {
		String daysOfWeekStr = myCollectionTraverse.iteratorWhileReverseExample(list);
		assertEquals(expectedDayListReverse, daysOfWeekStr );
	}

	@Test
	public void testForLoopExample() {
		String daysOfWeekStr = myCollectionTraverse.forLoopExample(list);
		assertEquals(expectedDayList, daysOfWeekStr );		
	}

	@Test	
	public void testForEachExample() {
		String daysOfWeekStr = myCollectionTraverse.forEachExample(list);
		assertEquals(expectedDayList, daysOfWeekStr );
	}

	@Test
	public void testArrayListEnsureCapacity() {
		ArrayList<String> myPlayList = new ArrayList<String>(list);
		assertEquals("[Sun, Mon, Tue, Wed, Thu, Fri, Sat]", myPlayList.toString());
		myPlayList.ensureCapacity(100); //Used for performance enhancements.
		assertEquals(7, myPlayList.size());
		assertEquals("[Sun, Mon, Tue, Wed, Thu, Fri, Sat]", list.toString());
	}

	@Test
	public void testArrayListSortNewList() {
		assertEquals("[Sun, Mon, Tue, Wed, Thu, Fri, Sat]", list.toString());
		ArrayList<String> myPlayList = new ArrayList<String>(myCollSort.sortTheCollection(list));
		assertEquals("[Fri, Mon, Sat, Sun, Thu, Tue, Wed]", myPlayList.toString());
	}

	@Test
	public void testArrayListSortSameList() {
		assertEquals("[Sun, Mon, Tue, Wed, Thu, Fri, Sat]", list.toString());
		list = new ArrayList<String>(myCollSort.sortTheCollection(list));
		assertEquals("[Fri, Mon, Sat, Sun, Thu, Tue, Wed]", list.toString());
	}

	@Test
	public void testArraysAsList() {
		//Convert an array to a list.
		
		List<String> colors = Arrays.asList("Red", "White", "Blue");
		assertEquals("[Red, White, Blue]", colors.toString());
		
		String[] arrColors2 = {"Red", "White", "Blue"};
		List<String> colors2 = Arrays.asList(arrColors2);
		assertEquals("[Red, White, Blue]", colors2.toString());
	}
		
}