public void InputIncorrectValue_ShouldThrowException()
{
Coordinates cellA = new Coordinates(-1, 0);
Coordinates cellB = new Coordinates(0, -4);
}
public void InputRightValue_ShouldWorkCorrectly()
{
Coordinates cell = new Coordinates(1, 1);
}
public void InputBoundValue_ShouldWorkCorrectly()
{
Coordinates cellFirst = new Coordinates(0, 0);
}
private Coordinates FindFirstEmptyTarget()
{
int rows = this.Field.GetLength(0);
int columns = this.Field.GetLength(1);
Coordinates newTarget = new Coordinates(0, 0);
for (int row = 0; row < rows; row++)
{
for (int col = 0; col < columns; col++)
{
if (this.Field[row, col] == 0)
{
this.currentTargetIndex = 0;
newTarget.Row = row;
newTarget.Col = col;
return newTarget;
}
}
}
return null;
}
private void FillMatrix()
{
var target = new Coordinates(0, 0);
var accumulate = 1;
while (target != null)
{
this.Field[target.Row, target.Col] = accumulate;
target = this.Walk(target) ?? this.FindFirstEmptyTarget();
accumulate++;
}
}
private Coordinates Walk(Coordinates target)
{
for (int index = this.currentTargetIndex; index < NUMBERS_DIRECTIONS + this.currentTargetIndex; index++)
{
int newTargetIndex = index % NUMBERS_DIRECTIONS;
Coordinates nextTarget = target + this.targetDirections[newTargetIndex];
if (this.IsValidWalk(nextTarget))
{
this.currentTargetIndex = newTargetIndex;
return nextTarget;
}
}
return null;
}
private bool IsValidWalk(Coordinates checkTarget)
{
int size = this.Size;
return checkTarget.Row >= 0 && checkTarget.Row < size &&
checkTarget.Col >= 0 && checkTarget.Col < size &&
this.Field[checkTarget.Row, checkTarget.Col] == 0;
}