clayborg added a comment. In https://reviews.llvm.org/D32167#1020032, @labath wrote:
> In https://reviews.llvm.org/D32167#1019702, @clayborg wrote: > > > I am afraid of the opposite: we test what we think we need to test and our > > simple tests cases don't adequately test the feature we are adding. I can > > certainly limit the testing to very simple test cases with a one test for a > > class and one for a enum, but that wouldn't have caught the issues I ran > > into with static variables in classes that I fixed before submitting this. > > My point is it is hard to figure out what a compiler, or debugger might > > hose up without testing all possible cases. Please chime in with opinions > > as I will go with the flow on this. > > > I don't think anyone here is suggesting to test less. The question we are > asking is if running all 1000 or so tests doesn't just giv a false sense of > security (and makes the testing process longer). A specially crafted test can > trigger more corner cases and make it easier to debug future failures that a > generic test. If the case of a static variable in a class is interesting, > then maybe a test where you have two static variables from the same class > defined in two different compilation units (and maybe referenced from a third > one) is interesting as well. I'm pretty sure we don't have a test like that > right now. Another interesting case which would not be tested in the > "separate flavour" mode is the mixed-flags case: have part of your module > compiled with type units, part without (and maybe a third part with type > units and fission).. > > Running the entire dotest test suite in -fdebug-types-section is certainly a > good way to catch problems, but it's not the way to write regression tests. > FWIW, the way I plan to test the new accelerator tables when I get to the > lldb part is to run dotest with the new flags locally during development, use > the failures to identify interesting test vectors, and then write regular > tests to trigger these. For the accelerator tables you could always just manually index the DWARF and compare the results to the new accelerator tables as a unit test. No further testing needed? https://reviews.llvm.org/D32167 _______________________________________________ lldb-commits mailing list [email protected] http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
