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olm/lib/doctest/scripts/cmake/common.cmake
Hubert Chathi 8475061136 switch to doctest for unit testing 
thanks to Nico Werner, who did most of the porting work
2021-12-22 13:45:33 -05:00

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CMake
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include(CMakeParseArguments)
# cache this for use inside of the function
set(CURRENT_LIST_DIR_CACHED ${CMAKE_CURRENT_LIST_DIR})
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
enable_testing()
find_package(Threads)
set(DOCTEST_TEST_MODE "COMPARE" CACHE STRING "Test mode - normal/run through valgrind/collect output/compare with output")
set_property(CACHE DOCTEST_TEST_MODE PROPERTY STRINGS "NORMAL;VALGRIND;COLLECT;COMPARE")
function(doctest_add_test_impl)
cmake_parse_arguments(ARG "NO_VALGRIND;NO_OUTPUT;XML_OUTPUT;JUNIT_OUTPUT" "NAME" "COMMAND" ${ARGN})
if(NOT "${ARG_UNPARSED_ARGUMENTS}" STREQUAL "" OR "${ARG_NAME}" STREQUAL "" OR "${ARG_COMMAND}" STREQUAL "")
message(FATAL_ERROR "doctest_add_test() called with wrong options!")
endif()
set(the_test_mode NORMAL)
# construct the command that will be called by the exec_test.cmake script
set(the_command "")
if(${DOCTEST_TEST_MODE} STREQUAL "VALGRIND" AND NOT ARG_NO_VALGRIND)
set(the_test_mode VALGRIND)
set(the_command "valgrind -v --leak-check=full --track-origins=yes --error-exitcode=1")
endif()
foreach(cur ${ARG_COMMAND})
set(the_command "${the_command} ${cur}")
endforeach()
if(ARG_XML_OUTPUT)
set(the_command "${the_command} --reporters=xml")
set(ARG_NAME ${ARG_NAME}_xml)
endif()
if(ARG_JUNIT_OUTPUT)
set(the_command "${the_command} --reporters=junit")
set(ARG_NAME ${ARG_NAME}_junit)
endif()
# append the argument for removing paths from filenames in the output so tests give the same output everywhere
set(the_command "${the_command} --dt-no-path-filenames=1")
# append the argument for substituting source line numbers with 0 in the output so tests give the same output when lines change a bit
set(the_command "${the_command} --dt-no-line-numbers=1")
# append the argument for ignoring the exit code of the test programs because some are intended to have failing tests
set(the_command "${the_command} --dt-no-exitcode=1")
# append the argument for using the same line format in the output - so gcc/non-gcc builds have the same output
set(the_command "${the_command} --dt-gnu-file-line=0")
# append the argument for skipping any time-related output so that the reference output from reporters is stable on CI
set(the_command "${the_command} --dt-no-time-in-output=1")
string(STRIP ${the_command} the_command)
if(${DOCTEST_TEST_MODE} STREQUAL "COLLECT" OR ${DOCTEST_TEST_MODE} STREQUAL "COMPARE")
if(NOT ARG_NO_OUTPUT)
file(MAKE_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/test_output/)
set(the_test_mode ${DOCTEST_TEST_MODE})
list(APPEND ADDITIONAL_FLAGS -DTEST_OUTPUT_FILE=${CMAKE_CURRENT_SOURCE_DIR}/test_output/${ARG_NAME}.txt)
list(APPEND ADDITIONAL_FLAGS -DTEST_TEMP_FILE=${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/temp_test_output_${ARG_NAME}.txt)
endif()
endif()
list(APPEND ADDITIONAL_FLAGS -DTEST_MODE=${the_test_mode})
add_test(NAME ${ARG_NAME} COMMAND ${CMAKE_COMMAND} -DCOMMAND=${the_command} ${ADDITIONAL_FLAGS} -P ${CURRENT_LIST_DIR_CACHED}/exec_test.cmake)
endfunction()
# a custom version of add_test() to suite my needs
function(doctest_add_test)
doctest_add_test_impl(${ARGN})
doctest_add_test_impl(${ARGN} XML_OUTPUT)
doctest_add_test_impl(${ARGN} JUNIT_OUTPUT)
endfunction()
macro(add_compiler_flags)
foreach(flag ${ARGV})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}")
endforeach()
endmacro()
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
add_compiler_flags(-Werror)
add_compiler_flags(-fstrict-aliasing)
# The following options are not valid when clang-cl is used.
if(NOT MSVC)
add_compiler_flags(-pedantic)
add_compiler_flags(-pedantic-errors)
add_compiler_flags(-fvisibility=hidden)
endif()
endif()
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
#add_compiler_flags(-Wno-unknown-pragmas)
add_compiler_flags(-Wall)
add_compiler_flags(-Wextra)
add_compiler_flags(-fdiagnostics-show-option)
add_compiler_flags(-Wconversion)
add_compiler_flags(-Wold-style-cast)
add_compiler_flags(-Wfloat-equal)
add_compiler_flags(-Wlogical-op)
add_compiler_flags(-Wundef)
add_compiler_flags(-Wredundant-decls)
add_compiler_flags(-Wshadow)
add_compiler_flags(-Wstrict-overflow=5)
add_compiler_flags(-Wwrite-strings)
add_compiler_flags(-Wpointer-arith)
add_compiler_flags(-Wcast-qual)
add_compiler_flags(-Wformat=2)
add_compiler_flags(-Wswitch-default)
add_compiler_flags(-Wmissing-include-dirs)
add_compiler_flags(-Wcast-align)
add_compiler_flags(-Wswitch-enum)
add_compiler_flags(-Wnon-virtual-dtor)
add_compiler_flags(-Wctor-dtor-privacy)
add_compiler_flags(-Wsign-conversion)
add_compiler_flags(-Wdisabled-optimization)
add_compiler_flags(-Weffc++)
add_compiler_flags(-Winvalid-pch)
add_compiler_flags(-Wmissing-declarations)
add_compiler_flags(-Woverloaded-virtual)
add_compiler_flags(-Wunused-but-set-variable)
add_compiler_flags(-Wunused-result)
# add_compiler_flags(-Wsuggest-override)
# add_compiler_flags(-Wmultiple-inheritance)
# add_compiler_flags(-Wcatch-value)
# add_compiler_flags(-Wsuggest-attribute=cold)
# add_compiler_flags(-Wsuggest-attribute=const)
# add_compiler_flags(-Wsuggest-attribute=format)
# add_compiler_flags(-Wsuggest-attribute=malloc)
# add_compiler_flags(-Wsuggest-attribute=noreturn)
# add_compiler_flags(-Wsuggest-attribute=pure)
# add_compiler_flags(-Wsuggest-final-methods)
# add_compiler_flags(-Wsuggest-final-types)
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.6)
add_compiler_flags(-Wnoexcept)
endif()
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
add_compiler_flags(-Wno-missing-field-initializers)
endif()
# no way to silence it in the expression decomposition macros: _Pragma() in macros doesn't work for the c++ front-end of g++
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55578
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69543
# Also the warning is completely worthless nowadays - https://stackoverflow.com/questions/14016993
#add_compiler_flags(-Waggregate-return)
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
add_compiler_flags(-Wdouble-promotion)
add_compiler_flags(-Wtrampolines)
add_compiler_flags(-Wzero-as-null-pointer-constant)
add_compiler_flags(-Wuseless-cast)
add_compiler_flags(-Wvector-operation-performance)
endif()
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 6.0)
add_compiler_flags(-Wshift-overflow=2)
add_compiler_flags(-Wnull-dereference)
add_compiler_flags(-Wduplicated-cond)
endif()
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0)
add_compiler_flags(-Walloc-zero)
add_compiler_flags(-Walloca)
add_compiler_flags(-Wduplicated-branches)
endif()
if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8.0)
add_compiler_flags(-Wcast-align=strict)
endif()
endif()
# necessary for some older compilers which don't default to C++11
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
add_compiler_flags(-Weverything)
add_compiler_flags(-Wno-c++98-compat)
add_compiler_flags(-Wno-c++98-compat-pedantic)
add_compiler_flags(-Wno-c++98-compat-bind-to-temporary-copy)
add_compiler_flags(-Wno-c++98-compat-local-type-template-args)
add_compiler_flags(-Qunused-arguments -fcolor-diagnostics) # needed for ccache integration on travis
endif()
if(MSVC)
add_compiler_flags(/std:c++latest) # for post c++14 updates in MSVC
add_compiler_flags(/permissive-) # force standard conformance - this is the better flag than /Za
add_compiler_flags(/WX)
add_compiler_flags(/Wall) # turns on warnings from levels 1 through 4 which are off by default - https://msdn.microsoft.com/en-us/library/23k5d385.aspx
add_compiler_flags(
/wd4514 # unreferenced inline function has been removed
/wd4571 # SEH related
/wd4710 # function not inlined
/wd4711 # function 'x' selected for automatic inline expansion
/wd4616 # invalid compiler warnings - https://msdn.microsoft.com/en-us/library/t7ab6xtd.aspx
/wd4619 # invalid compiler warnings - https://msdn.microsoft.com/en-us/library/tacee08d.aspx
#/wd4820 # padding in structs
#/wd4625 # copy constructor was implicitly defined as deleted
#/wd4626 # assignment operator was implicitly defined as deleted
#/wd5027 # move assignment operator was implicitly defined as deleted
#/wd5026 # move constructor was implicitly defined as deleted
#/wd4623 # default constructor was implicitly defined as deleted
)
endif()
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