/// <summary>
/// Constructor
/// Initialises a new Grid Cell with the expected parameters
/// </summary>
/// <param name="xref"></param>
/// <param name="yref"></param>
/// <param name="status"></param>
public GridCell(int xref, string yref, GridCellStatus status)
{
Condition.Requires(xref).IsGreaterOrEqual(1);
Condition.Requires(AlphabetHelper.GetAlphabetPositionOfLetter(yref)).IsGreaterOrEqual(1);
XRef = xref;
YRef = yref;
Status = status;
HorizontalBoatCapacity = 0;
VerticalBoatCapacity = 0;
}
public void GetAlphabetPositionOfLetter_WhenValidLetterProvided_ExpectCorrectPositionToBeReturned()
{
// Arrange
_returnedPosition = 18;
// Act
var result = AlphabetHelper.GetAlphabetPositionOfLetter("R");
// Assert
Assert.IsNotNull(result);
Assert.AreEqual(_returnedPosition, result);
}
public void GetAlphabetPositionOfLetter_WhenLetterIsEmpty_ExpectFormatException()
{
// Act
try
{
var result = AlphabetHelper.GetAlphabetPositionOfLetter(String.Empty);
}
catch (FormatException ex)
{
// Assert
Assert.IsInstanceOfType(ex, typeof(FormatException));
throw ex;
}
}
public void GetAlphabetPositionOfLetter_WhenLetterIsWhiteSpace_ExpectArgumentException()
{
// Act
try
{
var result = AlphabetHelper.GetAlphabetPositionOfLetter(" ");
}
catch (FormatException ex)
{
// Assert
Assert.IsInstanceOfType(ex, typeof(FormatException));
throw ex;
}
}
public void GetAlphabetPositionOfLetter_WhenLetterIsNull_ExpectArgumentNullException()
{
// Act
try
{
var result = AlphabetHelper.GetAlphabetPositionOfLetter(null);
}
catch (ArgumentException ex)
{
// Assert
Assert.IsInstanceOfType(ex, typeof(ArgumentNullException));
throw ex;
}
}