mirror of
https://github.com/nlohmann/json
synced 2024-11-14 00:10:05 +00:00
175 lines
8.0 KiB
CMake
175 lines
8.0 KiB
CMake
option(JSON_Valgrind "Execute test suite with Valgrind." OFF)
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option(JSON_FastTests "Skip expensive/slow tests." OFF)
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# download test data
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include(${CMAKE_CURRENT_SOURCE_DIR}/../cmake/download_test_data.cmake)
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# test fixture to download test data
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add_test(NAME "download_test_data" COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR} --target download_test_data)
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set_tests_properties(download_test_data PROPERTIES FIXTURES_SETUP TEST_DATA)
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if(JSON_Valgrind)
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find_program(CMAKE_MEMORYCHECK_COMMAND valgrind)
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message(STATUS "Executing test suite with Valgrind (${CMAKE_MEMORYCHECK_COMMAND})")
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set(memcheck_command "${CMAKE_MEMORYCHECK_COMMAND} ${CMAKE_MEMORYCHECK_COMMAND_OPTIONS} --error-exitcode=1 --leak-check=full")
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separate_arguments(memcheck_command)
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endif()
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#############################################################################
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# doctest library with the main function to speed up build
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#############################################################################
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add_library(doctest_main OBJECT src/unit.cpp)
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set_target_properties(doctest_main PROPERTIES
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COMPILE_DEFINITIONS "$<$<CXX_COMPILER_ID:MSVC>:_SCL_SECURE_NO_WARNINGS>"
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COMPILE_OPTIONS "$<$<CXX_COMPILER_ID:MSVC>:/EHsc;$<$<CONFIG:Release>:/Od>>"
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)
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if (${CMAKE_VERSION} VERSION_LESS "3.8.0")
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target_compile_features(doctest_main PUBLIC cxx_range_for)
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else()
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target_compile_features(doctest_main PUBLIC cxx_std_11)
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endif()
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target_include_directories(doctest_main PRIVATE "thirdparty/doctest")
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# https://stackoverflow.com/questions/2368811/how-to-set-warning-level-in-cmake
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if(MSVC)
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# Force to always compile with W4
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if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
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string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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else()
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
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endif()
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# Disable warning C4566: character represented by universal-character-name '\uFF01' cannot be represented in the current code page (1252)
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# Disable warning C4996: 'nlohmann::basic_json<std::map,std::vector,std::string,bool,int64_t,uint64_t,double,std::allocator,nlohmann::adl_serializer>::operator <<': was declared deprecated
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4566 /wd4996")
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# https://github.com/nlohmann/json/issues/1114
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /bigobj")
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endif()
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#############################################################################
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# one executable for each unit test file
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#############################################################################
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# check if compiler supports C++17
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foreach(feature ${CMAKE_CXX_COMPILE_FEATURES})
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if (${feature} STREQUAL cxx_std_17)
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set(compiler_supports_cpp_17 TRUE)
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endif()
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endforeach()
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# Clang only supports C++17 starting from Clang 5.0
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if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
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unset(compiler_supports_cpp_17)
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endif()
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# MSVC 2015 (14.0) does not support C++17
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if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "MSVC" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.1)
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unset(compiler_supports_cpp_17)
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endif()
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file(GLOB files src/unit-*.cpp)
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foreach(file ${files})
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get_filename_component(file_basename ${file} NAME_WE)
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string(REGEX REPLACE "unit-([^$]+)" "test-\\1" testcase ${file_basename})
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add_executable(${testcase} $<TARGET_OBJECTS:doctest_main> ${file})
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target_compile_definitions(${testcase} PRIVATE DOCTEST_CONFIG_SUPER_FAST_ASSERTS)
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target_compile_options(${testcase} PRIVATE
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$<$<CXX_COMPILER_ID:MSVC>:/EHsc;$<$<CONFIG:Release>:/Od>>
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$<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wno-deprecated;-Wno-float-equal>
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$<$<CXX_COMPILER_ID:GNU>:-Wno-deprecated-declarations>
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)
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target_include_directories(${testcase} PRIVATE ${CMAKE_BINARY_DIR}/include thirdparty/doctest thirdparty/fifo_map)
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target_link_libraries(${testcase} PRIVATE ${NLOHMANN_JSON_TARGET_NAME})
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# add a copy with C++17 compilation
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if (compiler_supports_cpp_17)
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file(READ ${file} FILE_CONTENT)
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string(FIND "${FILE_CONTENT}" "JSON_HAS_CPP_17" CPP_17_FOUND)
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if(NOT ${CPP_17_FOUND} EQUAL -1)
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add_executable(${testcase}_cpp17 $<TARGET_OBJECTS:doctest_main> ${file})
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target_compile_definitions(${testcase}_cpp17 PRIVATE DOCTEST_CONFIG_SUPER_FAST_ASSERTS)
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target_compile_options(${testcase}_cpp17 PRIVATE
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$<$<CXX_COMPILER_ID:MSVC>:/EHsc;$<$<CONFIG:Release>:/Od>>
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$<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wno-deprecated;-Wno-float-equal>
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$<$<CXX_COMPILER_ID:GNU>:-Wno-deprecated-declarations>
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)
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target_include_directories(${testcase}_cpp17 PRIVATE ${CMAKE_BINARY_DIR}/include thirdparty/doctest thirdparty/fifo_map)
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target_link_libraries(${testcase}_cpp17 PRIVATE ${NLOHMANN_JSON_TARGET_NAME})
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target_compile_features(${testcase}_cpp17 PRIVATE cxx_std_17)
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 8.0 AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 9.0 AND NOT MINGW)
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# fix for https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90050
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target_link_libraries(${testcase}_cpp17 PRIVATE stdc++fs)
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endif()
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if (JSON_FastTests)
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add_test(NAME "${testcase}_cpp17"
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COMMAND ${testcase}_cpp17 ${DOCTEST_TEST_FILTER}
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WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
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)
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else()
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add_test(NAME "${testcase}_cpp17"
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COMMAND ${testcase}_cpp17 ${DOCTEST_TEST_FILTER} --no-skip
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WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
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)
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endif()
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set_tests_properties("${testcase}_cpp17" PROPERTIES LABELS "all" FIXTURES_REQUIRED TEST_DATA)
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endif()
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endif()
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if (JSON_FastTests)
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add_test(NAME "${testcase}"
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COMMAND ${testcase} ${DOCTEST_TEST_FILTER}
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WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
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)
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else()
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add_test(NAME "${testcase}"
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COMMAND ${testcase} ${DOCTEST_TEST_FILTER} --no-skip
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WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
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)
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endif()
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set_tests_properties("${testcase}" PROPERTIES LABELS "all" FIXTURES_REQUIRED TEST_DATA)
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if(JSON_Valgrind)
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add_test(NAME "${testcase}_valgrind"
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COMMAND ${memcheck_command} ${CMAKE_CURRENT_BINARY_DIR}/${testcase} ${DOCTEST_TEST_FILTER}
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WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
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)
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set_tests_properties("${testcase}_valgrind" PROPERTIES LABELS "valgrind" FIXTURES_REQUIRED TEST_DATA)
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endif()
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endforeach()
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# disable exceptions for test-disabled_exceptions
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target_compile_definitions(test-disabled_exceptions PUBLIC JSON_NOEXCEPTION)
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if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" OR CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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target_compile_options(test-disabled_exceptions PUBLIC -fno-exceptions)
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elseif (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
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# disabled due to https://github.com/nlohmann/json/discussions/2824
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#target_compile_options(test-disabled_exceptions PUBLIC /EH)
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#target_compile_definitions(test-disabled_exceptions PUBLIC _HAS_EXCEPTIONS=0)
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endif()
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# avoid stack overflow, see https://github.com/nlohmann/json/issues/2955
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if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
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set_property(TARGET test-cbor APPEND_STRING PROPERTY LINK_FLAGS " /STACK:4000000")
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set_property(TARGET test-msgpack APPEND_STRING PROPERTY LINK_FLAGS " /STACK:4000000")
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set_property(TARGET test-ubjson APPEND_STRING PROPERTY LINK_FLAGS " /STACK:4000000")
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endif()
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#############################################################################
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# Test the generated build configs
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#############################################################################
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# these tests depend on the generated file nlohmann_jsonConfig.cmake
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if (JSON_Install)
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add_subdirectory(cmake_import)
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add_subdirectory(cmake_import_minver)
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endif()
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add_subdirectory(cmake_add_subdirectory)
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add_subdirectory(cmake_fetch_content)
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add_subdirectory(cmake_fetch_content2)
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add_subdirectory(cmake_target_include_directories)
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