static void Main(string[] args)
{
Console.WriteLine("Welcome, this program can calculate triangle perimeter and area");
while (true)
{
Console.WriteLine("Enter the side A, which value greater than zero");
var stringSideA = Console.ReadLine();
double.TryParse(stringSideA, out var sideA);
Console.WriteLine("Enter the side B, which value greater than zero");
var stringSideB = Console.ReadLine();
double.TryParse(stringSideB, out var sideB);
Console.WriteLine("Enter the side C, which value greater than zero");
var stringSideC = Console.ReadLine();
double.TryParse(stringSideC, out var sideC);
try
{
var triangle = Triangles.CreateTriangle(sideA, sideB, sideC);
var perimeter = triangle.FindPerimeter();
var area = triangle.FindArea();
Console.WriteLine($"Perimeter this triangle {perimeter}");
Console.WriteLine($"Area this triangle {area}");
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
}
}
}
public void Should_ReturnException_When_CreateTriangleWithWrongSides()
{
// arrange
var a = -5;
var b = 0;
var c = -8;
Triangles.CreateTriangle(a, b, c);
}
public void Should_ReturnRightArea_When_InputRightValueSides()
{
// arrange
var a = 6;
var b = 8;
var c = 10;
var triangle = Triangles.CreateTriangle(a, b, c);
var expected = 24;
// act
var actual = triangle.FindArea();
// Assert
Assert.AreEqual(expected, actual);
}
public void Should_ReturnRightPerimeter_When_InputRightValueSides()
{
// arrange
var a = 5;
var b = 8;
var c = 12;
var triangle = Triangles.CreateTriangle(a, b, c);
var expected = 25;
// act
var actual = triangle.FindPerimeter();
// Assert
Assert.AreEqual(expected, actual);
}