public void AdditionalToStringTest(IBook book, string expected)
{
// Arrange
// Act
string result = book.AdditionalToString();
// Assert
Assert.AreEqual(expected, result);
}
/// <summary>
/// Converts a book to its another string representation
/// </summary>
/// <returns>Another string that represents book</returns>
public string AdditionalToString()
{
string result = _bookParameter + _book.AdditionalToString();
if (result.Length >= 2 && result.Substring(result.Length - 2) == ", ")
{
result = result.Substring(0, result.Length - 2);
}
return(result);
}