package lab.art;

import static org.junit.Assert.*;

import java.util.Random;

import org.junit.Test;

public class AverageOperatorTester 
{
    @Test
    public void testConstructor() 
    {
	new AverageOperator();
    }

    @Test
    public void testOperation()
    {
	Random random = new Random(System.currentTimeMillis());

	AverageOperator operator = new AverageOperator();
	
	int NUMBER = 1000;
	double DELTA = 0.0001;
	for (int n = 0; n < NUMBER; n++)
	{
	    double a = random.nextDouble();
	    double b = random.nextDouble();
	    assertEquals("operation method failed", (a + b) / 2, operator.operation(a,  b), DELTA);
	}
    }
}