public GridSize Parse(String text)
{
if (text == null)
{
throw new ArgumentNullException("text");
}
if (String.IsNullOrWhiteSpace(text))
{
throw new ArgumentException("Parameter cannot be empty or whitespace", "text");
}
var segments = text.Split(' ');
if (segments.Length < 2)
{
throw new TooFewSegmentsException();
}
if (segments.Length > 2)
{
throw new TooManySegmentsException();
}
var width = GetDimensionValue(segments[0], s => new InvalidWidthException(s));
var height = GetDimensionValue(segments[1], s => new InvalidHeightException(s));
return(GridSize.From(width, height));
}
public Arena Parse(string[] input)
{
Input = input;
return(Arena.From(GridSize.From(5, 5),
new[]
{
Robot.From(Position.From(0, 0, CardinalCompassPoint.North()),
Route.From(new[]
{
RouteStep.RotateRight90Degrees(),
RouteStep.MoveOneGridSpace(),
RouteStep.RotateLeft90Degrees()
}))
}
));
}
public void should_have_correct_gridsize_and_robots()
{
var expected = Arena.From
(GridSize.From(5, 6),
new[]
{
Robot.From
(Position.From(0, 1, CardinalCompassPoint.North()),
Route.From(new[]
{
RouteStep.RotateRight90Degrees(),
RouteStep.MoveOneGridSpace(),
RouteStep.RotateLeft90Degrees(),
RouteStep.MoveOneGridSpace(),
RouteStep.RotateRight90Degrees(),
RouteStep.MoveOneGridSpace(),
RouteStep.RotateLeft90Degrees(),
RouteStep.MoveOneGridSpace()
}))
});
Assert.That(_arena, Is.EqualTo(expected));
}
public void should_have_correct_dimensions()
{
var expected = GridSize.From(5, 6);
Assert.That(_gridSize, Is.EqualTo(expected));
}
