problem:
Document management system requires the user to enter a monthly date representation. Assume that blackouts in January 1990 --2049 In December 2009, the provisions of date by six characters, the first four is the year, after two for the month. Using test cases equivalence class division method to test the program "check date."
| Input conditions |
effective |
Numbering |
invalid |
Numbering |
| In the years between 1990-2049 |
1990-2049 |
01 |
Less than 1990 |
05 |
|
|
|
|
Greater than 2049 |
06 |
| In the month between 1-12 |
1-12 |
02 |
Less than 1 |
07 |
|
|
|
|
Greater than 12 |
08 |
| By the six characters |
Front is four |
03 |
Not 4 Wei |
09 |
| Followed by two |
04 |
Not two |
10 |
| No. |
Input parameters |
Covering equivalence classes |
Output parameters |
| 01 |
202003 |
01,02,03,04 |
Entered correctly |
| 02 |
188803 |
02,03,04,05 |
input error |
| 03 |
205003 |
02,03,04,06 |
input error |
| 04 |
202000 |
01,03,04,07 |
input error |
| 05 |
202013 |
01,03,04,08 |
input error |
| 06 |
20203 |
01,02,03,09 |
input error |
| 07 |
188800 |
03,04,05,07 |
input error |
| 08 |
205000 |
03,04,06,07 |
input error |
| 09 |
188813 |
03,04,05,08 |
input error |
| 10 |
205013 |
03,04,06,08 |
input error |
| 11 |
20200 |
01,03,07,09 |
input error |