public void GetLastIndexOfCharStartIndexCount_NullString_ThrowsException()
 {
     Assert.Throws <ArgumentNullException>(() => GetLastIndexRecursively.GetLastIndexOfChar(null, 'a', 0, 0));
 }
 public int GetLastIndexOfCharStartIndexCount_NonEmptyString_ReturnsPosition(string str, char value, int startIndex, int count)
 {
     return(GetLastIndexRecursively.GetLastIndexOfChar(str, value, startIndex, count));
 }
 public int GetLastIndexOfChar_NonEmptyString_ReturnsPosition(string str, char value)
 {
     return(GetLastIndexRecursively.GetLastIndexOfChar(str, value));
 }