WIP: Dis test

requested review from @sly2j

closed

@zyzhang is there a reason this was closed?

@whit Sylvester pointed out that there might be divergence from master branch. After I went through the current master branch, I found that it effectively merged an intermediate version of dis_test, but does has "divergence" in terms of code structure. I think it would be easier for me to start from current master, to re-implement what is in the latest dis_test, rather than accommodate the dis_test to the current master

reopened

@sly2j I didn't do a rebase but rather pulled in the changes. Not sure of the status.

closed