hadley/assertthat — pull request #18 by bpbond (2014-11-26 17:28:20+00:00)
Title: Test code improvements

1) Moved tests from inst/tests to tests/testthat
2) Added new tests for file-related assertions
3) Changed package so it imports `tools`. I think this is necessary for test code to exercise has_extension(), but tell me if there's a better way to do it.

Thanks, Ben