package quiz;

import org.junit.Assert;
import org.junit.Test;

/**
 * Test case for the Byte class.
 * 
 * @author Franck van Breugel
 */
public class ByteTest 
{
	/**
	 * Tests the constant MAX_VALUE.
	 */
	@Test
	public void testMaxValue()
	{
		Assert.assertEquals(127, Byte.MAX_VALUE);
	}
	
	/**
	 * Tests the constant MIN_VALUE.
	 */
	@Test
	public void testMinValue()
	{
		Assert.assertEquals(-128, Byte.MIN_VALUE);
	}
	
	/**
	 * Tests equals method.
	 */
	@Test 
	public void testEquals()
	{
		for (int b = Byte.MIN_VALUE; b <= Byte.MAX_VALUE; b++)
		{
			Byte object = new Byte((byte) b);
			for (int c = Byte.MIN_VALUE; c <= Byte.MAX_VALUE; c++)
			{
				Byte other = new Byte((byte) c);
				Assert.assertEquals(String.format("Failed for %d and %d;", b, c), b == c, object.equals(other));
			}
		}
	}
	
	/**
	 * Tests hashCode method.
	 */
	@Test
	public void testHashCode()
	{
		for (int b = Byte.MIN_VALUE; b <= Byte.MAX_VALUE; b++)
		{
			Byte object = new Byte((byte) b);
			Assert.assertEquals(String.format("Failed for %d;", b), b, object.hashCode());
		}
	}
	
	/**
	 * Tests isEven method.
	 */
	@Test
	public void testIsEven() 
	{
		for (int b = Byte.MIN_VALUE; b <= Byte.MAX_VALUE; b++)
		{
			Byte object = new Byte((byte) b);
			Assert.assertEquals(String.format("Failed for %d;", b), b % 2 == 0, object.isEven());
		}
	}
	
	/**
	 * Tests toString method.
	 */
	@Test
	public void testToString()
	{
		for (int b = Byte.MIN_VALUE; b <= Byte.MAX_VALUE; b++)
		{
			Byte object = new Byte((byte) b);
			Assert.assertEquals(String.format("Failed for %d;", b), "" + b, object.toString());
		}
	}
}