include(FetchContent) FetchContent_Declare( Catch2 GIT_REPOSITORY https://github.com/catchorg/Catch2.git GIT_TAG v2.13.6) FetchContent_MakeAvailable(Catch2) add_executable(test_calc test_calc.cpp) target_link_libraries(test_calc PRIVATE Catch2::Catch2 assignment) add_test(NAME test_calc COMMAND test_calc) add_executable(test_spatial_grid test_spatial_grid.cpp) target_link_libraries(test_spatial_grid PRIVATE Catch2::Catch2 assignment) add_test(NAME test_spatial_grid COMMAND test_spatial_grid)