public void TakeTurnShouldAskUserToReEnterIfGivenOutOfBoundsCoordinate()
{
// do I need to use TestReaderWriter
var board = new Board(3);
var coordValidator = new CoordinateValidator();
var coord = new Coordinate {
X = 5, Y = 2
};
var isValid = coordValidator.IsValid(board, coord);
Assert.False(isValid);
}
public void IsValid_ValidInput_IsTrue()
{
// Act
var validCoordinateCollection = Defaults.Coordinate.Valid;
foreach (var item in validCoordinateCollection)
{
// Arrange
var result = CoordinateValidator.IsValid(item);
// Assert
Assert.IsTrue(result);
}
}
public void TakeTurnShouldAskUserToReEnterCoordIfIndexTaken()
{
// do I need to use TestReaderWriter
var board = new Board(3);
var existingCoord = new Coordinate {
X = 1, Y = 2
};
board.UpdateSquare(existingCoord, 'X');
var coordValidator = new CoordinateValidator();
var enteredCord = new Coordinate {
X = 1, Y = 2
};
var isValid = coordValidator.IsValid(board, enteredCord);
Assert.False(isValid);
}
/// <summary>
/// Method decodes polyline encoded representation to coordinates.
/// </summary>
/// <param name="polyline">Encoded polyline char array to decode</param>
/// <returns>Returns coordinates.</returns>
/// <exception cref="ArgumentException">If polyline argument is null -or- empty char array.</exception>
/// <exception cref="InvalidOperationException">If polyline representation is not in correct format.</exception>
public static IEnumerable <(double Latitude, double Longitude)> Decode(char[] polyline)
{
// Checking null and at least one character
if (polyline == null || !polyline.Any())
{
throw new ArgumentException(ExceptionMessageResource.ArgumentCannotBeNullOrEmpty, nameof(polyline));
}
// Initialize local variables
int index = 0;
int latitude = 0;
int longitude = 0;
var result = new List <(double Latitude, double Longitude)>();
// Looping through encoded polyline char array
while (index < polyline.Length)
{
// Attempting to calculate next latitude value. If failed exception is thrown
if (!TryCalculateNext(polyline, ref index, ref latitude))
{
throw new InvalidOperationException(ExceptionMessageResource.PolylineCharArrayIsMalformed);
}
// Attempting to calculate next longitude value. If failed exception is thrown
if (!TryCalculateNext(polyline, ref index, ref longitude))
{
throw new InvalidOperationException(ExceptionMessageResource.PolylineCharArrayIsMalformed);
}
var coordinate = (GetDoubleRepresentation(latitude), GetDoubleRepresentation(longitude));
if (!CoordinateValidator.IsValid(coordinate))
{
throw new InvalidOperationException(ExceptionMessageResource.PolylineCharArrayIsMalformed);
}
result.Add(coordinate);
}
return(result);
}
