P0429R9_flat_map is missing some test coverage, especially for flat_map-specific members that aren't present for flat_multimap, although the latter is slightly affected.
operator[] (extremely important, obviously)at() (both success and exceptional cases)emplace()try_emplace() (including hint and transparent forms)replace() (when successful, not just death)
In some cases there's a tiny bit of coverage but not focused testing.
Since we have decent libcxx coverage, I'm not too worried, but tests/std is what exercises our more exotic compiler options, and also EDG, so we should ideally have coverage there.
P0429R9_flat_mapis missing some test coverage, especially forflat_map-specific members that aren't present forflat_multimap, although the latter is slightly affected.operator[](extremely important, obviously)at()(both success and exceptional cases)emplace()try_emplace()(including hint and transparent forms)replace()(when successful, not just death)In some cases there's a tiny bit of coverage but not focused testing.
Since we have decent libcxx coverage, I'm not too worried, but
tests/stdis what exercises our more exotic compiler options, and also EDG, so we should ideally have coverage there.