/// <summary>
/// Validates that the parameter has the expected length. Otherwise, an <see cref="ArgumentException" /> is thrown.
/// </summary>
/// <param name="validator">The <see cref="ParameterValidator{TParameter}" />.</param>
/// <param name="expectedLength">The expected length.</param>
/// <returns>The same instance of <see cref="ParameterValidator{TParameter}" />.</returns>
/// <exception cref="ArgumentException">Thrown when the parameter length is not equal to <paramref name="expectedLength" />.</exception>
public static ParameterValidator <string> HasLength(this ParameterValidator <string> validator, int expectedLength)
{
if (validator.Value == null)
{
return(validator);
}
string exceptionMessage = string.Format(ExceptionMessages.VALUE_MUST_HAVE_LENGTH_EQUAL_TO, expectedLength.ToString());
return(validator.HasLength(expectedLength, exceptionMessage));
}