@Test
public void getAreaTest() {
Point point1 = new Point(3.0, 3.2);
Circle circle = new Circle(point1, 3.0);
double area = Math.pow(circle.getRadius(), 2) * Math.PI;
assertEquals(
"failure - area didn't match",
Math.pow(circle.getRadius(), 2) * Math.PI,
area,
circle.getArea());
}
@Test
public void getDiameterTest() {
Point point1 = new Point(3.0, 3.2);
Circle circle = new Circle(point1, 3.0);
double diameter = circle.getRadius() * 2.0;
assertEquals("failure - diameter didn't match", 6.0, diameter, circle.getDiameter());
}
@Test
public void getRadiusTest() {
Point point1 = new Point(3.0, 3.2);
Circle circle = new Circle(point1, 3.0);
double radius = 3.0;
assertEquals("failure - radii didn't match", 3.0, radius, circle.getRadius());
}
@Test
public void getCirfumferenceTest() {
Point point1 = new Point(3.0, 3.2);
Circle circle = new Circle(point1, 3.0);
double circumference = 2 * 3.0 * Math.PI;
assertEquals(
"failure - circumference didn't match",
circle.getRadius() * Math.PI * 2,
circumference,
circle.getCircumference());
}