--====  Test-01       ====------
> Inserting 25: Success 
> Inserting 78: Success 
> Inserting 6: Success 
> Inserting 82: Success 
> Inserting 11: Success 
--====  End of Test-01 ====------

--====  Test-02       ====------
> Inserting 72: Success 
> Inserting 14: Success 
> Inserting 62: Success 
> Inserting 8: Success 
> Inserting 93: Success 
> Next value is:  93
> Next value is:  8
> Previous value is:  8
> Set value: 55 ; return val: 1 
> Previous value is:  55
--====  End of Test-02 ====------

--====  Test-03       ====------
> Inserting 4: Success 
> Inserting 54: Success 
> Inserting 15: Success 
> Inserting 12: Success 
> Inserting 34: Success 
> it1 (after reset): 
 34,  12,  15,  54,  4
> advance(it1, 4) returns: 
 34,  12,  15,  54
> advance(it1, -3) returns: 
 54,  15,  12
> In 'it1', > Previous value is:  34
--====  End of Test-03 ====------

--====  Test-04       ====------
> Inserting 97: Success 
> Inserting 10: Success 
> Inserting 61: Success 
> Inserting 73: Success 
> Inserting 47: Success 
> it1 (after reset): 
 47,  73,  61,  10,  97
> find(it1, passMarks) returns: 
 73,  61,  97
> In 'it1', 
> Next value is:  47
> Next value is:  73

> del(it1) results in the following and returns 1: 
> it1 (after reset): 
 47,  61,  10,  97
--====  End of Test-04 ====------

--====  Test-05       ====------
> Inserting joe: Success 
> Inserting rita: Success 
> Inserting john: Success 
> Inserting abby: Success 
> Inserting peter: Success 
> Next value is:  peter
> Next value is:  abby
> Previous value is:  abby
> Set value: sydney ; return val: 1 
> Previous value is:  sydney
--====  End of Test-05 ====------

--====  Test-06       ====------
> Inserting kylie: Success 
> Inserting lian: Success 
> Inserting john: Success 
> Inserting arnav: Success 
> Inserting joe: Success 
> it (after reset): 
 joe,  arnav,  john,  lian,  kylie
> advance(it, 3) returns: 
 joe,  arnav,  john
> advance(it, -2) returns: 
 john,  arnav
> it (after reset): 
 joe,  arnav,  john,  lian,  kylie
> find(it, prefixJo) returns: 
 joe,  john

> In 'it',  
> Next value is:  joe
> Next value is:  arnav
--====  End of Test-06 ====------