testcases.txt

manual testing functionality:
1. mkdir test_dir1
2. ls
3. cd test_dir1
4. cont create test_cont1
5. ps
6. ls
7. cont start test_cont1 pwd(should fail)
8. cd test_cont1
9. cont start test_cont1 pwd
10. mkdir test_dir2
11. cd test_dir2
12. pwd(check current working directory)
13. ps(check status)
14. cd ../..(should fail)
15. complex directory access: pwd & cd .././././test_dir2/././../test_dir2/./. & pwd
should success, and relative path should be /test_dir2
16. cont pause test_cont1
17. cont start test_cont1 pwd(should fail)
18. cont create test_cont1(should fail, and no test_cont1 created at cwd)
19. cont resume test_cont1
20. ps
21. cont create test_cont2
22. ls & pwd
23. cd test_cont2
24. cont start test_cont2 ps
25. cont stop test_cont1
26. cont stop test_cont2
27. pwd & ps
28. test absolute path: cd /bin/./././../../../../bin
29. pwd(check it should be /bin)