public void RoverEngine_MoveBack_From11N_To10N()
{
var engine = new RoverEngine(1, 1, EDirection.N, _gridHeight, _gridWidth, _mockObstacleDetector.Object);
var moveResult = engine.MoveBack();
Assert.AreEqual(1, moveResult.Position.X);
Assert.AreEqual(0, moveResult.Position.Y);
Assert.AreEqual(EDirection.N, moveResult.Position.Direction);
}
public void RoverEngine_MoveBack_W_ObstacleDetected_ReportObstacle()
{
_mockObstacleDetector.Setup(m => m.CanMove(2, 1)).Returns(false);
var engine = new RoverEngine(1, 1, EDirection.W, _gridHeight, _gridWidth, _mockObstacleDetector.Object);
var moveResult = engine.MoveBack();
Assert.AreEqual(1, moveResult.Position.X);
Assert.AreEqual(1, moveResult.Position.Y);
Assert.AreEqual(EDirection.W, moveResult.Position.Direction);
Assert.IsTrue(moveResult.IsObstacleDetected);
}
public void RoverEngine_WrapWest_MoveBack150_From15W_To51_5W()
{
var engine = new RoverEngine(1, 5, EDirection.W, _gridHeight, _gridWidth, _mockObstacleDetector.Object);
for (int i = 0; i < 150; i++)
{
engine.MoveBack();
}
var newPosition = engine.GetPosition();
Assert.AreEqual(51, newPosition.X);
Assert.AreEqual(5, newPosition.Y);
Assert.AreEqual(EDirection.W, newPosition.Direction);
}
public void RoverEngine_WrapWest_MoveBack100_ArriveAtSameSpot()
{
var engine = new RoverEngine(0, 0, EDirection.W, _gridHeight, _gridWidth, _mockObstacleDetector.Object);
for (int i = 0; i < 100; i++)
{
engine.MoveBack();
}
var newPosition = engine.GetPosition();
Assert.AreEqual(0, newPosition.X);
Assert.AreEqual(0, newPosition.Y);
Assert.AreEqual(EDirection.W, newPosition.Direction);
}