public void CirclesSquareTest()
{
double testRadius = 4.564;
double result = SquareСalculator.CalculateSquare(testRadius);
Assert.AreEqual(result, Math.Pow(testRadius, 2) * Math.PI);
}
public void TrianglesSquareTest()
{
double testFirstSide = 5;
double testSecondSide = 9;
double testThirdSide = 7;
double testHalfOfPerimeter = 0.5 * (testFirstSide + testSecondSide + testThirdSide);
double expectedSquare = Math.Sqrt(testHalfOfPerimeter * (testHalfOfPerimeter - testFirstSide) * (testHalfOfPerimeter - testSecondSide) * (testHalfOfPerimeter - testThirdSide));
double result = SquareСalculator.CalculateSquare(testFirstSide, testSecondSide, testThirdSide);
Assert.AreEqual(result, expectedSquare);
}