public void CreateTriangle_Starting_In_0_0()
{
int numberOfVertices = 3;
double sideLength = 2;
RegularPolygon triangle = factory.CreatePolygon(numberOfVertices, sideLength, new Vertex(0, 0));
Assert.AreEqual(numberOfVertices, triangle.Vertices.Length);
Assert.IsTrue(triangle.Vertices[0].Equals(new Vertex(0, 0)));
Assert.IsTrue(triangle.Vertices[1].Equals(new Vertex(2, 0)));
Assert.IsTrue(triangle.Vertices[2].Equals(new Vertex(1, 1.73)));
}
/// <summary>
/// Creates RegularPolygon object with specified attributes and according to Mode from 'parameters':
/// displays polygon description on console or saves it to default file.
/// </summary>
/// <param name="parameters"></param>
private static void CalculateRegularPolygon(InputParameters parameters)
{
RegularPolygonFactory factory = new RegularPolygonFactory();
try
{
RegularPolygon polygon = factory.CreatePolygon(parameters.NumberOfVertices, parameters.SideLength, new Vertex(0, 0));
switch (parameters.Mode)
{
case ApplicationMode.SaveToFile:
{
SaveToFile(polygon, _fileToSaveName);
break;
}
case ApplicationMode.ConsoleDisplay:
{
Console.WriteLine(polygon.ToString());
break;
}
default:
{
WriteErrorLine("Unknown application mode.");
break;
}
}
}
catch (RegularPolygonFactoryException ex)
{
WriteErrorLine(ex.Message);
}
catch (Exception ex) //Catches any exception, because cannot handle any kind of exception differently than only inform user about it.
{
WriteErrorLine(ex.Message);
}
}