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# First finds or downloads catch
# Function to create a common main
function(common_catch_main)
if(TARGET common_catch_main_object)
return()
endif()
file(WRITE "${CMAKE_BINARY_DIR}/common_catch_main.cc"
"#define CATCH_CONFIG_MAIN\n"
"#include \"catch2/catch_test_macros.hpp\"\n"
)
add_library(common_catch_main_object OBJECT "${CMAKE_BINARY_DIR}/common_catch_main.cc")
if(Catch2_FOUND)
target_link_libraries(common_catch_main_object PRIVATE Catch2::Catch2)
endif()
endfunction()
# A function to create a test, once a an executable exists
function(add_catch_test_with_seed testname testexec seed)
cmake_parse_arguments(catch "NOCATCHLABEL" "WORKING_DIRECTORY" "LABELS;ARGUMENTS" ${ARGN})
unset(EXTRA_ARGS)
if(catch_WORKING_DIRECTORY)
set(EXTRA_ARGS WORKING_DIRECTORY ${catch_WORKING_DIRECTORY})
endif()
set(arguments ${catch_ARGUMENTS})
if(NOT "${seed}" STREQUAL "")
list(APPEND arguments --rng-seed ${seed})
else()
list(APPEND arguments --rng-seed time)
endif()
if(CATCH_JUNIT)
add_test(NAME ${testname}
COMMAND ${testexec}
${arguments}
-r junit
-o ${PROJECT_BINARY_DIR}/Testing/${testname}.xml
)
else()
add_test(NAME ${testname} COMMAND ${testexec} ${arguments} ${EXTRA_ARGS})
endif()
if(NOT catch_NOCATCHLABEL)
list(APPEND catch_LABELS catch)
endif()
set_tests_properties(${testname} PROPERTIES LABELS "${catch_LABELS}")
endfunction()
# Then adds a function to create a test
function(add_catch_test testname)
cmake_parse_arguments(catch
"NOMAIN;NOTEST;NOCATCHLABEL"
"SEED;WORKING_DIRECTORY;COMMON_MAIN;PRECOMMAND"
"LIBRARIES;DEPENDS;INCLUDES;LABELS;ARGUMENTS"
${ARGN}
)
# Source deduce from testname if possible
unset(source)
if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/${testname}.cc")
set(source ${testname}.cc)
elseif(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/${testname}.cpp")
set(source ${testname}.cpp)
elseif("${catch_UNPARSED_ARGUMENTS}" STREQUAL "")
message(FATAL_ERROR "No source given or found for ${testname}")
endif()
# By default, uses a common main function for all, compiled once
# We create here
if(catch_NOMAIN)
add_executable(test_${testname} ${source} ${catch_UNPARSED_ARGUMENTS})
elseif(catch_COMMON_MAIN)
add_executable(test_${testname}
${source} $<TARGET_OBJECTS:${catch_COMMON_MAIN}> ${catch_UNPARSED_ARGUMENTS})
else()
common_catch_main()
add_executable(test_${testname}
${source} $<TARGET_OBJECTS:common_catch_main_object> ${catch_UNPARSED_ARGUMENTS})
endif()
if(catch_LIBRARIES)
target_link_libraries(test_${testname} ${catch_LIBRARIES} Catch2::Catch2)
endif()
if(TARGET lookup_dependencies)
add_dependencies(test_${testname} lookup_dependencies)
endif()
if(catch_NOCATCHLABEL)
set(catch_NOCATCHLABEL "NOCATCHLABEL")
else()
unset(catch_NOCATCHLABEL)
endif()
set(test_command test_${testname})
if(catch_PRECOMMAND)
set(test_command "${catch_PRECOMMAND} ${test_command}")
endif()
if(NOT catch_NOTEST)
add_catch_test_with_seed(
test_${testname} "./test_${testname}" "${catch_SEED}" ${catch_UNPARSED_ARGUMENTS}
${catch_NOCATCHLABEL} WORKING_DIRECTORY ${catch_WORKING_DIRECTORY}
LABELS ${catch_LABELS} ARGUMENTS ${catch_ARGUMENTS}
)
endif()
endfunction()
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