firedancer-io Export source coverage of unit test $0:
- Build:
make -j CC=clang EXTRAS=llvm-cov BUILDDIR=clang-cov $0 - Run:
CLANKER=1 ./contrib/test/single_test_cov.sh build/clang-cov/unit-test/$0- produces
default.profdata
- produces
- Export
- Per file:
llvm-cov show --instr-profile default.profdata build/clang-cov/unit-test/$0 -sources <src/foo/bar.c> -show-instantiations=false - Per function:
llvm-cov show --instr-profile default.profdata build/clang-cov/unit-test/$0 --name=<function_name> - All files overview (verbose!)
llvm-cov report --instr-profile default.profdata build/clang-cov/unit-test/$0
- Per file:
If no further context/instructions are given, attempt to find under-covered areas of code: Skim the test code to understand what it's trying to test, then drill down the cov report to see if it actually covers that code.