tree 0d8c84b628f5776fbf59babe36de5b8752dacc37
parent 6a844c9da5813a7b992c9612d25c61a197e44d9f
author Haoming Zhang <zhm1993zhm@gmail.com> 1492732968 -0700
committer Haoming Zhang <zhm1993zhm@gmail.com> 1492732968 -0700

add 1 more test case, rename vars