public void CharsAreUnique_InputCharsAreNotUnique_ReturnsFalse(string input)
{
// Arrange / Act
var actual = SupportClass.CharsAreUnique(input);
// Assert
Assert.IsFalse(actual);
}
/// <summary>
/// Creates new EncodingCharacters object with the given character
/// values. If the encodingCharacters argument is null, the default
/// values are used.
/// </summary>
/// <param name="fieldSeparator">The field separator.</param>
/// <param name="encodingCharacters">
/// Consists of the characters that appear in
/// MSH-2 (see section 2.8 of the HL7 spec). The characters are
/// Component Separator, Repetition Separator, Escape Character, and
/// Subcomponent Separator (in that order).
/// </param>
/// <exception cref="HL7Exception">If encoding characters are not unique.</exception>
public EncodingCharacters(char fieldSeparator, string encodingCharacters)
{
if (char.IsWhiteSpace(fieldSeparator) || fieldSeparator == char.MinValue)
{
throw new HL7Exception("Field Seperator must be a printable character.");
}
FieldSeparator = fieldSeparator;
encChars = new char[4];
#if NET35
if (string.IsNullOrEmpty(encodingCharacters) || encodingCharacters.Trim().Length == 0)
#else
if (string.IsNullOrWhiteSpace(encodingCharacters))
#endif
{
encChars[0] = '^';
encChars[1] = '~';
encChars[2] = '\\';
encChars[3] = '&';
}
else
{
if (encodingCharacters.Any(@char => char.IsWhiteSpace(@char) || @char == char.MinValue))
{
throw new HL7Exception("Encoding characters must be printable characters.");
}
if (!SupportClass.CharsAreUnique(encodingCharacters))
{
throw new HL7Exception("Encoding characters must be unique.");
}
SupportClass.GetCharsFromString(encodingCharacters, 0, 4, encChars, 0);
}
}
public void CharsAreUnique_InputIsNullOrEmpty_ThrowsArgumentException(string input)
{
// Arrange / Act / Assert
Assert.Throws <ArgumentException>(
() => SupportClass.CharsAreUnique(input));
}