public void SouthCommand_GetNewPoint_ShouldReturn_Null_ForInvalidPosition()
{
var command = new SouthCommand()
{
Limit = 10
};
var data = command.GetNewPoint(10, 0);
Assert.Null(data);
}
public void SouthCommand_GetNewPoint_ShouldReturn_CorrectData_ForValidPosition()
{
var command = new SouthCommand()
{
Limit = 10
};
var data = command.GetNewPoint(9, 5);
Assert.NotNull(data);
Assert.Equal(9, data.X);
Assert.Equal(4, data.Y);
}
public void ShouldNotExecuteOutsideLimitOnSouthDirectionWhenOnNegativePosition()
{
var startingPosition = new Position(0, -2);
const int steps = 5;
const int positionLimit = 4;
var command = new SouthCommand(steps);
var(lastPosition, positions) = command.Execute(startingPosition, positionLimit);
var expectedLastPosition = new Position(0, -4);
var expectedPositions = new List <Position>
{
new Position(0, -2),
new Position(0, -3),
new Position(0, -4)
};
lastPosition.Should().Be(expectedLastPosition);
positions.Should().BeEquivalentTo(expectedPositions);
}
public void ShouldExecute()
{
var startingPosition = new Position(2, -3);
const int steps = 3;
const int positionLimit = 10;
var command = new SouthCommand(steps);
var(lastPosition, positions) = command.Execute(startingPosition, positionLimit);
var expectedLastPosition = new Position(2, -6);
var expectedPositions = new List <Position>
{
new Position(2, -3),
new Position(2, -4),
new Position(2, -5),
new Position(2, -6)
};
lastPosition.Should().Be(expectedLastPosition);
positions.Should().BeEquivalentTo(expectedPositions);
}
