import org.junit.* ;
import static org.junit.Assert.* ;

public class SphereTest {

    private double sphereRadius;
    private int sphereX;
    private int sphereY;
    private int sphereZ;
    private double delta = 1e-5;


    @Before
    public void setUp() {
        sphereRadius = 3.0;
        sphereX = 5;
        sphereY = -2;
        sphereZ = -10;
    }

    @Test(timeout=1000)
    public void testConstructorAndGettersX() {
        Sphere dummySphere = new Sphere(sphereX, sphereY, sphereZ, sphereRadius);

        assertEquals("getX() does not return the value used during construction", sphereX, dummySphere.getX(), delta);
    }

    @Test(timeout=1000)
    public void testConstructorAndGettersY() {
        Sphere dummySphere = new Sphere(new Point(sphereX, sphereY, sphereZ), sphereRadius);
        assertEquals("getY() does not return the value used during construction", sphereY, dummySphere.getY(), delta);
    }

    @Test(timeout=1000)
    public void testConstructorAndGettersZ() {
        Sphere dummySphere = new Sphere(new Point(sphereX, sphereY, sphereZ), sphereRadius);

        assertEquals("getZ() does not return the value used during construction", sphereZ, dummySphere.getZ(), delta);
    }

    @Test(timeout=1000)
    public void testCalculateDiameter() {
        Sphere dummySphere = new Sphere(new Point(sphereX, sphereY, sphereZ), sphereRadius);
        System.out.println("Expected diameter " + 2*sphereRadius + "Instead found: "+dummySphere.calculateDiameter());
        assertEquals("calculateDiameter() does not return the twice the radius", 2*sphereRadius, dummySphere.calculateDiameter(), delta);
    }

    /* Feel free to implement more tests. */
}