@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 containsPoint2Test() {
Point point1 = new Point(3.0, 3.0);
Point point2 = new Point(2.5, 2.3);
Circle circle = new Circle(point1, 1.0);
assertEquals("failure - does not contain point", true, circle.containsPoint(point2));
}
@Test(expected = IllegalArgumentException.class)
public void setRadiusTest() {
Point point1 = new Point(3.0, 3.2);
Circle circle = new Circle(point1, 3.0);
circle.setRadius(-2.0);
fail("radii cannot be less than or equal to zero");
}
@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 toStringTest() {
Point point1 = new Point(1.0, 1.0);
Circle circle = new Circle(point1, 1.0);
String actual = "CENTER = (1.0,1.0) & RADIUS = 1.0";
assertEquals("failure - strings didn't match", true, actual.equals(circle.toString()));
}
@Test
public void equalsTest() {
Point point1 = new Point(5.0, 3.2);
Point point2 = new Point(5.0, 3.2);
Circle circle1 = new Circle(point1, 1.0);
Circle circle2 = new Circle(point2, 1.0);
assertEquals("failure - circle didn't match", true, circle1.equals(circle2));
}
@Test
public void translateTest() {
Point point1 = new Point(5.0, 3.2);
Point point2 = new Point(1.0, 12.0);
Circle circle1 = new Circle(point1, 1.0);
Circle circle2 = new Circle(point2, 1.0);
circle2.translate(point1);
assertEquals("failure - does not translate to given point", true, circle1.equals(circle2));
}
@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());
}
@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 getBoundedRectangleTest() {
Point point1 = new Point(5.0, 5.0);
Point point2 = new Point(0.0, 0.0);
Circle circle = new Circle(point1, 5.0);
Rectangle bound = new Rectangle(point2, 10.0, 10.0);
assertEquals(
"failure - bounded rectangle does not match",
true,
bound.equals(circle.getBoundedRectangle()));
}