add test case
add test case
Merge pull request #26 from huangnoah/new-20121226

add test case
Merge pull request #27 from huangnoah/new-20121227

add test case
add test case and refix 1381
new test case
Merge pull request #28 from huangnoah/new-20121228

New 20121228
Merge pull request #29 from huangnoah/new-20130102

New 20130102