public void CoordinatesMustBeAllDistinct()
{
// Given
Coordinate coord1 = new Coordinate(10, 20);
Coordinate coord2 = new Coordinate(20, 30);
Coordinate coord3 = new Coordinate(20, 30);
// When
Triad triad = new Triad();
// Then
Assert.Throws <NotValidValueException>(() => triad.SetCoordinates(coord1, coord2, coord3), "All coordinates must be distinct");
}
public void ATriadStores3CoordinatesSetterHappyPath()
{
// Given
Coordinate coord1 = new Coordinate(10, 20);
Coordinate coord2 = new Coordinate(20, 30);
Coordinate coord3 = new Coordinate(30, 40);
// When
Triad triad = new Triad();
triad.SetCoordinates(coord1, coord2, coord3);
ICollection <Coordinate> resp = triad.GetCoordinates();
// Then
Assert.IsTrue(resp.Contains(coord1), "Coord1 must be in returned ICollection");
Assert.IsTrue(resp.Contains(coord2), "Coord2 must be in returned ICollection");
Assert.IsTrue(resp.Contains(coord3), "Coord3 must be in returned ICollection");
}
public void IfSettedAgainCoordsCantBeAdded()
{
// Given
Coordinate coord1 = new Coordinate(10, 20);
Coordinate coord2 = new Coordinate(20, 30);
Coordinate coord3 = new Coordinate(30, 40);
Triad triad = new Triad(coord1, coord2, coord3);
// When
Coordinate coord4 = new Coordinate(50, 20);
Coordinate coord5 = new Coordinate(60, 30);
Coordinate coord6 = new Coordinate(70, 40);
triad.SetCoordinates(coord4, coord5, coord6);
ICollection <Coordinate> resp = triad.GetCoordinates();
// Then
Assert.IsTrue(resp.Count == 3, "Triad getter must return exactly 3 coordinates, even if setter has been executed twice");
}