CMakeLists.txt

Include(FetchContent)

FetchContent_Declare(
  Catch2
  GIT_REPOSITORY https://github.com/catchorg/Catch2.git
  GIT_TAG        v3.0.1 # or a later release
)

FetchContent_MakeAvailable(Catch2)

file(GLOB_RECURSE src_files "*.cpp")

#file(GLOB_RECURSE src_files "graphRegex/Test_GraphRegex.cpp")

add_executable(tests${module_name} ${src_files})

target_compile_features(tests${module_name} PRIVATE cxx_std_14)

set(FORCE_CI TRUE)
if (NOT(FORCE_CI))

if (DOSANITIZE STREQUAL "ON")
set(SANITIZE_FLAGS -fsanitize=address,leak,undefined,float-divide-by-zero -fno-omit-frame-pointer)
#TODO sanitizer seems buggy in some situations with msvc, leading to linker errors, temporarily inactivating it
#set(SANITIZE_MSVC_FLAGS)
set(SANITIZE_MSVC_FLAGS /fsanitize=address)
target_compile_definitions(tests${module_name} PUBLIC _DISABLE_VECTOR_ANNOTATION)
else()
set(SANITIZE_FLAGS)
set(SANITIZE_MSVC_FLAGS)
endif()

set(STRICT_ALIASING_FLAGS -fstrict-aliasing -Wstrict-aliasing=2)

# -fvisibility=hidden required by pybind11
target_compile_options(tests${module_name} PUBLIC
    $<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>,$<CXX_COMPILER_ID:GNU>>:
    -fvisibility=hidden>)
target_compile_options(tests${module_name} PRIVATE
$<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>,$<CXX_COMPILER_ID:GNU>>:
-Wall -Wextra -Wold-style-cast -Winline -pedantic -Werror=narrowing -Wshadow $<$<BOOL:${WERROR}>:-Werror> ${SANITIZE_FLAGS}>)
target_compile_options(tests${module_name} PRIVATE
$<$<CXX_COMPILER_ID:GNU>:${STRICT_ALIASING_FLAGS}>)
target_compile_options(${module_name} PRIVATE
$<$<CXX_COMPILER_ID:MSVC>:
/W4 /DWIN32 /D_WINDOWS /GR /EHsc /MP /Zc:__cplusplus /Zc:preprocessor /permissive- ${SANITIZE_MSVC_FLAGS}>)
if (DOSANITIZE STREQUAL "ON")
  target_compile_options(${module_name} PRIVATE $<$<CXX_COMPILER_ID:MSVC>:/MDd>)
endif()
# TODO FIXME: I'm not sure it's a good idea to propagate this option but, at this point, it was the only way that worked to silence C4477
target_compile_options(${module_name} PUBLIC $<$<CXX_COMPILER_ID:MSVC>: /wd4477>)

target_link_options(tests${module_name} PUBLIC $<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>,$<CXX_COMPILER_ID:GNU>>:${SANITIZE_FLAGS}>)
#target_link_options(tests${module_name} PUBLIC $<$<CXX_COMPILER_ID:MSVC>:${SANITIZE_MSVC_FLAGS}>)

endif()

target_link_libraries(tests${module_name} PUBLIC ${module_name})

target_link_libraries(tests${module_name} PRIVATE Catch2::Catch2WithMain)

list(APPEND CMAKE_MODULE_PATH ${catch2_SOURCE_DIR}/extras)
include(CTest)
include(Catch)
catch_discover_tests(tests${module_name})