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add_subdirectory(gtest)
set(TEST_MAIN_SRC test-main.cc gtest-extra.cc gtest-extra.h util.cc)
add_library(test-main STATIC ${TEST_MAIN_SRC})
target_include_directories(test-main PUBLIC
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>)
target_link_libraries(test-main gtest fmt)
function(add_fmt_executable name)
add_executable(${name} ${ARGN})
# (Wstringop-overflow) - [meta-bug] bogus/missing -Wstringop-overflow warnings
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443
# Bogus -Wstringop-overflow warning
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100395
# [10 Regression] spurious -Wstringop-overflow writing to a trailing array plus offset
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95353
if (CMAKE_CXX_COMPILER_ID MATCHES "GNU" AND
NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0)
target_compile_options(${name} PRIVATE -Wno-stringop-overflow)
# The linker flag is needed for LTO.
target_link_libraries(${name} -Wno-stringop-overflow)
endif ()
endfunction()
# Adds a test.
# Usage: add_fmt_test(name srcs...)
function(add_fmt_test name)
cmake_parse_arguments(ADD_FMT_TEST "HEADER_ONLY;MODULE" "" "" ${ARGN})
set(sources ${name}.cc ${ADD_FMT_TEST_UNPARSED_ARGUMENTS})
if (ADD_FMT_TEST_HEADER_ONLY)
set(sources ${sources} ${TEST_MAIN_SRC} ../src/os.cc)
set(libs gtest fmt-header-only)
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(PEDANTIC_COMPILE_FLAGS ${PEDANTIC_COMPILE_FLAGS} -Wno-weak-vtables)
endif ()
elseif (ADD_FMT_TEST_MODULE)
set(libs gtest test-module)
set_source_files_properties(${name}.cc PROPERTIES OBJECT_DEPENDS test-module)
else ()
set(libs test-main fmt)
endif ()
add_fmt_executable(${name} ${sources})
target_link_libraries(${name} ${libs})
# Define if certain C++ features can be used.
if (FMT_PEDANTIC)
target_compile_options(${name} PRIVATE ${PEDANTIC_COMPILE_FLAGS})
endif ()
if (FMT_WERROR)
target_compile_options(${name} PRIVATE ${WERROR_FLAG})
endif ()
add_test(NAME ${name} COMMAND ${name})
endfunction()
add_fmt_test(args-test)
add_fmt_test(assert-test)
add_fmt_test(chrono-test)
add_fmt_test(color-test)
add_fmt_test(core-test)
add_fmt_test(gtest-extra-test)
add_fmt_test(format-test mock-allocator.h)
if (MSVC)
target_compile_options(format-test PRIVATE /bigobj)
endif ()
if (NOT (MSVC AND BUILD_SHARED_LIBS))
add_fmt_test(format-impl-test HEADER_ONLY header-only-test.cc)
endif ()
add_fmt_test(ostream-test)
add_fmt_test(compile-test)
add_fmt_test(compile-fp-test HEADER_ONLY)
if (MSVC)
# Without this option, MSVC returns 199711L for the __cplusplus macro.
target_compile_options(compile-fp-test PRIVATE /Zc:__cplusplus)
endif()
add_fmt_test(printf-test)
add_fmt_test(ranges-test ranges-odr-test.cc)
add_fmt_test(scan-test)
add_fmt_test(std-test)
try_compile(compile_result_unused
${CMAKE_CURRENT_BINARY_DIR}
SOURCES ${CMAKE_CURRENT_LIST_DIR}/detect-stdfs.cc
OUTPUT_VARIABLE RAWOUTPUT)
string(REGEX REPLACE ".*libfound \"([^\"]*)\".*" "\\1" STDLIBFS "${RAWOUTPUT}")
if (STDLIBFS)
target_link_libraries(std-test ${STDLIBFS})
endif ()
add_fmt_test(unicode-test HEADER_ONLY)
if (MSVC)
target_compile_options(unicode-test PRIVATE /utf-8)
endif ()
add_fmt_test(xchar-test)
add_fmt_test(enforce-checks-test)
target_compile_definitions(enforce-checks-test PRIVATE
-DFMT_ENFORCE_COMPILE_STRING)
if (FMT_CAN_MODULE)
# The tests need {fmt} to be compiled as traditional library
# because of visibility of implementation details.
# If module support is present the module tests require a
# test-only module to be built from {fmt}
add_library(test-module OBJECT ${CMAKE_SOURCE_DIR}/src/fmt.cc)
target_compile_features(test-module PUBLIC ${FMT_REQUIRED_FEATURES})
target_include_directories(test-module PUBLIC
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>)
enable_module(test-module)
add_fmt_test(module-test MODULE test-main.cc)
if (MSVC)
target_compile_options(test-module PRIVATE /utf-8 /Zc:__cplusplus
/Zc:externConstexpr /Zc:inline)
target_compile_options(module-test PRIVATE /utf-8 /Zc:__cplusplus
/Zc:externConstexpr /Zc:inline)
endif ()
endif ()
if (NOT DEFINED MSVC_STATIC_RUNTIME AND MSVC)
foreach (flag_var
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
if (${flag_var} MATCHES "^(/|-)(MT|MTd)")
set(MSVC_STATIC_RUNTIME ON)
break()
endif()
endforeach()
endif()
if (NOT MSVC_STATIC_RUNTIME)
add_fmt_executable(posix-mock-test
posix-mock-test.cc ../src/format.cc ${TEST_MAIN_SRC})
target_include_directories(
posix-mock-test PRIVATE ${PROJECT_SOURCE_DIR}/include)
target_link_libraries(posix-mock-test gtest)
if (FMT_PEDANTIC)
target_compile_options(posix-mock-test PRIVATE ${PEDANTIC_COMPILE_FLAGS})
endif ()
add_test(NAME posix-mock-test COMMAND posix-mock-test)
add_fmt_test(os-test)
endif ()
message(STATUS "FMT_PEDANTIC: ${FMT_PEDANTIC}")
if (FMT_PEDANTIC)
# Test that the library can be compiled with exceptions disabled.
# -fno-exception is broken in icc: https://github.com/fmtlib/fmt/issues/822.
if (NOT CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
check_cxx_compiler_flag(-fno-exceptions HAVE_FNO_EXCEPTIONS_FLAG)
endif ()
if (HAVE_FNO_EXCEPTIONS_FLAG)
add_library(noexception-test ../src/format.cc noexception-test.cc)
target_include_directories(
noexception-test PRIVATE ${PROJECT_SOURCE_DIR}/include)
target_compile_options(noexception-test PRIVATE -fno-exceptions)
target_compile_options(noexception-test PRIVATE ${PEDANTIC_COMPILE_FLAGS})
endif ()
# Test that the library compiles without locale.
add_library(nolocale-test ../src/format.cc)
target_include_directories(
nolocale-test PRIVATE ${PROJECT_SOURCE_DIR}/include)
target_compile_definitions(
nolocale-test PRIVATE FMT_STATIC_THOUSANDS_SEPARATOR=1)
endif ()
# These tests are disabled on Windows because they take too long.
if (FMT_PEDANTIC AND NOT WIN32)
# Test if incorrect API usages produce compilation error.
add_test(compile-error-test ${CMAKE_CTEST_COMMAND}
--build-and-test
"${CMAKE_CURRENT_SOURCE_DIR}/compile-error-test"
"${CMAKE_CURRENT_BINARY_DIR}/compile-error-test"
--build-generator ${CMAKE_GENERATOR}
--build-makeprogram ${CMAKE_MAKE_PROGRAM}
--build-options
"-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
"-DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}"
"-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
"-DCXX_STANDARD_FLAG=${CXX_STANDARD_FLAG}"
"-DFMT_DIR=${CMAKE_SOURCE_DIR}")
# Test if the targets are found from the build directory.
add_test(find-package-test ${CMAKE_CTEST_COMMAND}
-C ${CMAKE_BUILD_TYPE}
--build-and-test
"${CMAKE_CURRENT_SOURCE_DIR}/find-package-test"
"${CMAKE_CURRENT_BINARY_DIR}/find-package-test"
--build-generator ${CMAKE_GENERATOR}
--build-makeprogram ${CMAKE_MAKE_PROGRAM}
--build-options
"-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
"-DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}"
"-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
"-DFMT_DIR=${PROJECT_BINARY_DIR}"
"-DPEDANTIC_COMPILE_FLAGS=${PEDANTIC_COMPILE_FLAGS}"
"-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}")
# Test if the targets are found when add_subdirectory is used.
add_test(add-subdirectory-test ${CMAKE_CTEST_COMMAND}
-C ${CMAKE_BUILD_TYPE}
--build-and-test
"${CMAKE_CURRENT_SOURCE_DIR}/add-subdirectory-test"
"${CMAKE_CURRENT_BINARY_DIR}/add-subdirectory-test"
--build-generator ${CMAKE_GENERATOR}
--build-makeprogram ${CMAKE_MAKE_PROGRAM}
--build-options
"-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
"-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
"-DPEDANTIC_COMPILE_FLAGS=${PEDANTIC_COMPILE_FLAGS}"
"-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}")
endif ()
# This test are disabled on Windows because it is only *NIX issue.
if (FMT_PEDANTIC AND NOT WIN32)
add_test(static-export-test ${CMAKE_CTEST_COMMAND}
-C ${CMAKE_BUILD_TYPE}
--build-and-test
"${CMAKE_CURRENT_SOURCE_DIR}/static-export-test"
"${CMAKE_CURRENT_BINARY_DIR}/static-export-test"
--build-generator ${CMAKE_GENERATOR}
--build-makeprogram ${CMAKE_MAKE_PROGRAM}
--build-options
"-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
"-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD}"
"-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}")
endif ()
# Activate optional CUDA tests if CUDA is found. For version selection see
# https://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#cpp14-language-features
if (FMT_CUDA_TEST)
if (${CMAKE_VERSION} VERSION_LESS 3.15)
find_package(CUDA 9.0)
else ()
include(CheckLanguage)
check_language(CUDA)
if (CMAKE_CUDA_COMPILER)
enable_language(CUDA OPTIONAL)
set(CUDA_FOUND TRUE)
endif ()
endif ()
if (CUDA_FOUND)
add_subdirectory(cuda-test)
add_test(NAME cuda-test COMMAND fmt-in-cuda-test)
endif ()
endif ()
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