private TestTriangleData GetSquareTriangle(IComputeAreaMethod method)
{
var a = 10d;
var b = 10d;
var c = Math.Sqrt(a * a + b * b);
return(new TestTriangleData
{
Triangle = new Triangle(a, b, c, method),
AreaValue = (a * b) / 2
});
}
// I'm not considering different types of defining triangle here (like, by side and 2 angles, etc)
public Triangle(double a, double b, double c, IComputeAreaMethod computeAreaMethod)
{
_a = a;
_b = b;
_c = c;
// For simplicity, there is no means to change method afterwards
if (computeAreaMethod == null)
{
throw new ArgumentNullException("computeAreaMethod");
}
if (_a < 0 || _b < 0 || _c < 0)
{
throw new ArgumentOutOfRangeException("Triangle sides cannot be lesser than 0");
}
if (!TriangleExists())
{
throw new ArgumentException($"Triangle with sides {a}, {b}, {c} cannot exist");
}
_computeAreaMethod = computeAreaMethod;
}
