public void MovePacInCounterClockWiseCircle()
{
var service = new PacSimGridMovementService(3, 3);
var startPos = service.Place(2, 2, PacDirection.WEST);
service.Move();
service.Move();
service.Left();
service.Move();
service.Move();
service.Left();
service.Move();
service.Move();
service.Left();
service.Move();
service.Move();
service.Left();
var endPos = service.Report();
Assert.AreEqual(startPos, endPos);
}
public void MovePacInClockWiseCircle()
{
var service = new PacSimGridMovementService(3, 3);
var startPos = service.Place(0, 0, PacDirection.NORTH);
service.Move();
service.Move();
service.Right();
service.Move();
service.Move();
service.Right();
service.Move();
service.Move();
service.Right();
service.Move();
service.Move();
service.Right();
var endPos = service.Report();
Assert.AreEqual(startPos, endPos);
}
public void PlacePacOnFiveByFiveGrid_Invalid([Values(int.MinValue, -1, 5, int.MaxValue)] int x,
[Values(int.MinValue, -1, 5, int.MaxValue)] int y,
[Values(PacDirection.NORTH, PacDirection.SOUTH, PacDirection.EAST, PacDirection.WEST)] PacDirection facing)
{
var service = new PacSimGridMovementService(5, 5);
Assert.Throws <ArgumentOutOfRangeException>(() => service.Place(x, y, facing));
}
public void PlacePacOnFiveByFiveGrid_Valid([Range(0, 4)] int x, [Range(0, 4)] int y,
[Values(PacDirection.NORTH, PacDirection.SOUTH, PacDirection.EAST, PacDirection.WEST)] PacDirection facing)
{
var service = new PacSimGridMovementService(5, 5);
var placedPosition = service.Place(x, y, facing);
Assert.AreEqual(x, placedPosition.X);
Assert.AreEqual(y, placedPosition.Y);
Assert.AreEqual(facing, placedPosition.Facing);
}
public void TurnPacRightOnGrid(PacDirection startFacing, PacDirection expectedFacing)
{
var service = new PacSimGridMovementService(1, 1);
service.Place(0, 0, startFacing);
service.Right();
var newPos = service.Report();
Assert.IsNotNull(newPos);
Assert.AreEqual(expectedFacing, newPos.Value.Facing);
}
public void NewGridService(int width, int height)
{
if (width <= 0 || height <= 0)
{
Assert.Throws <ArgumentException>(() => new PacSimGridMovementService(width, height));
}
else
{
var service = new PacSimGridMovementService(width, height);
Assert.AreEqual(width, service.GridWidth);
Assert.AreEqual(height, service.GridHeight);
Assert.IsNull(service.Report(), "Non-placed Pac position should be null");
Assert.Throws <InvalidOperationException>(service.Move, "Moving non-placed Pac should throw exception.");
Assert.Throws <InvalidOperationException>(service.Left, "Turning non-placed Pac should throw exception.");
Assert.Throws <InvalidOperationException>(service.Right, "Turning non-placed Pac should throw exception.");
}
}
public void MovePacOnGrid(int width, int height, int moveTimes, int startX, int startY, PacDirection startFacing, int expectedX, int expectedY)
{
var service = new PacSimGridMovementService(width, height);
service.Place(startX, startY, startFacing);
try
{
for (int i = 0; i < moveTimes; i++)
{
service.Move();
}
}
catch (Exception) { }
var newPos = service.Report();
Assert.IsNotNull(newPos);
Assert.AreEqual(expectedX, newPos.Value.X, "X position doesn't match");
Assert.AreEqual(expectedY, newPos.Value.Y, "Y position doesn't match");
}
