public void GetIndexOfCharStartIndexCount_NullString_ThrowsException()
 {
     Assert.Throws <ArgumentNullException>(() => GetIndexRecursively.GetIndexOfChar(null, 'a', 0, 0));
 }
 public int GetIndexOfCharStartIndexCount_NonEmptyString_ReturnsPosition(string str, char value, int startIndex, int count)
 {
     return(GetIndexRecursively.GetIndexOfChar(str, value, startIndex, count));
 }
 public int GetIndexOfChar_NonEmptyString_ReturnsPosition(string str, char value)
 {
     return(GetIndexRecursively.GetIndexOfChar(str, value));
 }