public void TestCompoundShapeMath()
{
// arrange
// manually calc sum of perimeters - line + circle + line
double expectedPerimeterSum = 1 + 18.8495559215387594;
// manually calc sum of areas - line + circle + line
double expectedAreaSum = 0 + 28.274333882308139146;
_compoundShape.Add(_line);
_compoundShape.Add(_circle);
// act
double actualPerimeterSum = _compoundShape.GetPerimeter();
double actualAreaSum = _compoundShape.GetArea();
// assert
Assert.AreEqual(expectedPerimeterSum, actualPerimeterSum);
Assert.AreEqual(expectedAreaSum, actualAreaSum);
}
public void TestCompoundShapeMock()
{
// allocate
double expectedAreaSum = 8;
var mockShape1 = new Mock <IShapeComposition>();
var mockShape2 = new Mock <IShapeComposition>();
mockShape1.Setup(shape => shape.GetArea()).Returns(mockValue1);
mockShape2.Setup(shape => shape.GetArea()).Returns(mockValue2);
// act
_compoundShape.Add(mockShape1.Object);
_compoundShape.Add(mockShape2.Object);
double actualAreaSum = _compoundShape.GetArea();
// assert
Assert.AreEqual(expectedAreaSum, actualAreaSum);
}