public Arena Parse(string[] input)
{
if (input == null)
{
throw new ArgumentNullException("input", "Parameter cannot be null");
}
if (input.Length < 3)
{
throw new TooFewLinesException("Parameter contains too few lines, expect 3 or more lines");
}
if (input.Length % 2 == 0)
{
throw new TooFewLinesException("Parameter contains too few lines, require odd number of lines");
}
var enumerator = input.AsEnumerable()
.GetEnumerator();
enumerator.MoveNext();
var gridSize = _gridSizeParser.Parse(enumerator.Current);
var robotCount = (input.Length - 1) / 2;
var robots = new Robot[robotCount];
var index = 0;
while (enumerator.MoveNext())
{
var robot = _robotParser.Parse(enumerator);
robots[index] = robot;
index++;
}
return(Arena.From(gridSize, robots));
}
protected override void Because()
{
_exception = Catch.Exception(() => _gridSize = _gridSizeParser.Parse(_gridSizeText));
}