/**
 * The test class ComplexTest, to test the Complex class
 *
 * @author Phill Conrad, and (insert your name here)
 * @version lab02 for CS10, Spring 2009 (v2.0)
 * @see Complex
 */
public class ComplexTest extends junit.framework.TestCase
{
    // define a static final (a constant) for error tolerance
    // we'll pass this as the last value of every assertEquals()
    // call that is done on double values to allow for roundoff error
    
   public static final double TOL = 0.00001;
    
   public void testNoArgConstructor()
   {
        // the no arg constructor should give us zero for
        // both imaginary and real parts
        Complex c = new Complex();
        assertEquals(0.0,c.getReal(),TOL);
        assertEquals(0.0,c.getImag(),TOL);

    }
    
   public void testTwoArgConstructor()
   {
        // the no arg constructor should give us zero for
        // both imaginary and real parts
        Complex c = new Complex( 1.2, -3.4 );
        assertEquals( 1.2, c.getReal(), TOL);
        assertEquals( -3.4, c.getImag(), TOL);
    }

   public void testSetters()
   {
        // the no arg constructor should give us zero for
        // both imaginary and real parts
        Complex c = new Complex();
        c.setReal(-3.4);
        c.setImag(1.2);
        assertEquals( -3.4, c.getReal(), TOL);
        assertEquals( 1.2, c.getImag(), TOL);
    }

    
   public void testToString1()
   {
        Complex c = new Complex();
        assertEquals("0.0 + 0.0i",c.toString());
    }

   public void testToString2()
   {
        // the no arg constructor should give us zero for
        // both imaginary and real parts
        Complex c = new Complex(1.2, -3.4);
        assertEquals("1.2 + -3.4i",c.toString());
    }

   public void testToString3()
   {
        // the no arg constructor should give us zero for
        // both imaginary and real parts
        Complex c = new Complex(2.0, 3.0);
        assertEquals("2.0 + 3.0i",c.toString());
    }

    
}