380 lines
14 KiB
CMake
380 lines
14 KiB
CMake
########################################################################
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# Experimental CMake build script for Google Test.
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#
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# Consider this a prototype. It will change drastically. For now,
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# this is only for people on the cutting edge.
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#
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# To run the tests for Google Test itself on Linux, use 'make test' or
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# ctest. You can select which tests to run using 'ctest -R regex'.
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# For more options, run 'ctest --help'.
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# For hermetic builds, we may need to tell CMake to use compiler in a
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# specific location.
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if (gtest_compiler)
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include(CMakeForceCompiler)
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cmake_force_c_compiler("${gtest_compiler}" "")
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cmake_force_cxx_compiler("${gtest_compiler}" "")
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endif()
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########################################################################
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#
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# Project-wide settings
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# Name of the project.
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#
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# CMake files in this project can refer to the root source directory
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# as ${gtest_SOURCE_DIR} and to the root binary directory as
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# ${gtest_BINARY_DIR}.
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# Language "C" is required for find_package(Threads).
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project(gtest CXX C)
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cmake_minimum_required(VERSION 2.6.4)
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if (MSVC)
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# For MSVC, CMake sets certain flags to defaults we want to override.
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# This replacement code is taken from sample in the CMake Wiki at
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# http://www.cmake.org/Wiki/CMake_FAQ#Dynamic_Replace.
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foreach (flag_var
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CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
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CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
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# In hermetic build environments, tests may not have access to MS runtime
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# DLLs, so this replaces /MD (CRT libraries in DLLs) with /MT (static CRT
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# libraries).
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string(REPLACE "/MD" "-MT" ${flag_var} "${${flag_var}}")
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# We prefer more strict warning checking for building Google Test.
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# Replaces /W3 with /W4 in defaults.
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string(REPLACE "/W3" "-W4" ${flag_var} "${${flag_var}}")
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endforeach()
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endif()
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# Where gtest's .h files can be found.
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include_directories(
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${gtest_SOURCE_DIR}/include
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${gtest_SOURCE_DIR})
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# Where the gtest libraries can be found.
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link_directories(
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${gtest_BINARY_DIR}/src)
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# Defines CMAKE_USE_PTHREADS_INIT and CMAKE_THREAD_LIBS_INIT.
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find_package(Threads)
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# Defines the compiler/linker flags used to build gtest. You can
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# tweak these definitions to suit your need. A variable's value is
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# empty before it's explicitly assigned to.
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if (MSVC)
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# Newlines inside flags variables break CMake's NMake generator.
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set(cxx_base_flags "-GS -W4 -WX -wd4275 -nologo -J -Zi")
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set(cxx_base_flags "${cxx_base_flags} -D_UNICODE -DUNICODE -DWIN32 -D_WIN32")
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set(cxx_base_flags "${cxx_base_flags} -DSTRICT -DWIN32_LEAN_AND_MEAN")
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set(cxx_exception_flags "-EHsc -D_HAS_EXCEPTIONS=1")
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set(cxx_no_exception_flags "-D_HAS_EXCEPTIONS=0")
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set(cxx_no_rtti_flags "-GR-")
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elseif (CMAKE_COMPILER_IS_GNUCXX)
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set(cxx_base_flags "-Wall -Wshadow")
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set(cxx_exception_flags "-fexceptions")
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set(cxx_no_exception_flags "-fno-exceptions")
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# Until version 4.3.2, GCC doesn't define a macro to indicate
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# whether RTTI is enabled. Therefore we define GTEST_HAS_RTTI
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# explicitly.
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set(cxx_no_rtti_flags "-fno-rtti -DGTEST_HAS_RTTI=0")
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set(cxx_strict_flags "-Wextra")
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elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "SunPro")
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set(cxx_exception_flags "-features=except")
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# Sun Pro doesn't provide macros to indicate whether exceptions and
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# RTTI are enabled, so we define GTEST_HAS_* explicitly.
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set(cxx_no_exception_flags "-features=no%except -DGTEST_HAS_EXCEPTIONS=0")
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set(cxx_no_rtti_flags "-features=no%rtti -DGTEST_HAS_RTTI=0")
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elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "VisualAge")
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set(cxx_exception_flags "-qeh")
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set(cxx_no_exception_flags "-qnoeh")
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set(cxx_no_rtti_flags "-qnortti")
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endif()
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if (CMAKE_USE_PTHREADS_INIT) # The pthreads library is available.
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set(cxx_base_flags "${cxx_base_flags} -DGTEST_HAS_PTHREAD=1")
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endif()
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# For building gtest's own tests and samples.
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set(cxx_exception "${CMAKE_CXX_FLAGS} ${cxx_base_flags} ${cxx_exception_flags}")
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set(cxx_no_exception
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"${CMAKE_CXX_FLAGS} ${cxx_base_flags} ${cxx_no_exception_flags}")
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set(cxx_default "${cxx_exception}")
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set(cxx_no_rtti "${cxx_default} ${cxx_no_rtti_flags}")
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set(cxx_use_own_tuple "${cxx_default} -DGTEST_USE_OWN_TR1_TUPLE=1")
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# For building the gtest libraries.
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set(cxx_strict "${cxx_default} ${cxx_strict_flags}")
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########################################################################
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#
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# Defines the gtest & gtest_main libraries. User tests should link
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# with one of them.
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function(cxx_library_with_type name type cxx_flags)
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# type can be either STATIC or SHARED to denote a static or shared library.
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# ARGN refers to additional arguments after 'cxx_flags'.
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add_library(${name} ${type} ${ARGN})
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set_target_properties(${name}
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PROPERTIES
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COMPILE_FLAGS "${cxx_flags}")
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if (CMAKE_USE_PTHREADS_INIT)
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target_link_libraries(${name} ${CMAKE_THREAD_LIBS_INIT})
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endif()
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endfunction()
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function(cxx_static_library name cxx_flags)
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cxx_library_with_type(${name} STATIC "${cxx_flags}" ${ARGN})
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endfunction()
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function(cxx_shared_library name cxx_flags)
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cxx_library_with_type(${name} SHARED "${cxx_flags}" ${ARGN})
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endfunction()
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function(cxx_library name cxx_flags)
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# TODO(vladl@google.com): Make static/shared a user option.
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cxx_static_library(${name} "${cxx_flags}" ${ARGN})
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endfunction()
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# Static versions of Google Test libraries. We build them using more
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# strict warnings than what are used for other targets, to ensure that
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# gtest can be compiled by a user aggressive about warnings.
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cxx_static_library(gtest "${cxx_strict}" src/gtest-all.cc)
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cxx_static_library(gtest_main "${cxx_strict}" src/gtest_main.cc)
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target_link_libraries(gtest_main gtest)
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########################################################################
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#
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# Samples on how to link user tests with gtest or gtest_main.
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#
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# They are not built by default. To build them, set the
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# build_gtest_samples option to ON. You can do it by running ccmake
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# or specifying the -Dbuild_gtest_samples=ON flag when running cmake.
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option(build_gtest_samples "Build gtest's sample programs." OFF)
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# cxx_executable_with_flags(name cxx_flags lib srcs...)
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#
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# creates a named C++ executable that depends on the given library and
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# is built from the given source files with the given compiler flags.
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function(cxx_executable_with_flags name cxx_flags lib)
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add_executable(${name} ${ARGN})
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if (cxx_flags)
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set_target_properties(${name}
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PROPERTIES
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COMPILE_FLAGS "${cxx_flags}")
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endif()
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target_link_libraries(${name} ${lib})
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endfunction()
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# cxx_executable(name dir lib srcs...)
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#
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# creates a named target that depends on the given lib and is built
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# from the given source files. dir/name.cc is implicitly included in
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# the source file list.
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function(cxx_executable name dir lib)
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cxx_executable_with_flags(
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${name} "${cxx_default}" ${lib} "${dir}/${name}.cc" ${ARGN})
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endfunction()
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if (build_gtest_samples)
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cxx_executable(sample1_unittest samples gtest_main samples/sample1.cc)
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cxx_executable(sample2_unittest samples gtest_main samples/sample2.cc)
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cxx_executable(sample3_unittest samples gtest_main)
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cxx_executable(sample4_unittest samples gtest_main samples/sample4.cc)
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cxx_executable(sample5_unittest samples gtest_main samples/sample1.cc)
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cxx_executable(sample6_unittest samples gtest_main)
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cxx_executable(sample7_unittest samples gtest_main)
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cxx_executable(sample8_unittest samples gtest_main)
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cxx_executable(sample9_unittest samples gtest)
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cxx_executable(sample10_unittest samples gtest)
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endif()
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########################################################################
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#
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# Google Test's own tests.
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#
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# You can skip this section if you aren't interested in testing
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# Google Test itself.
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#
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# Most of the tests are not built by default. To build them, set the
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# build_all_gtest_tests option to ON. You can do it by running ccmake
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# or specifying the -Dbuild_all_gtest_tests=ON flag when running cmake.
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option(build_all_gtest_tests "Build all of gtest's own tests." OFF)
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# This must be set in the root directory for the tests to be run by
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# 'make test' or ctest.
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enable_testing()
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# Sets PYTHONINTERP_FOUND and PYTHON_EXECUTABLE.
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find_package(PythonInterp)
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############################################################
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# C++ tests built with standard compiler flags.
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# cxx_test_with_flags(name cxx_flags libs srcs...)
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#
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# creates a named C++ test that depends on the given libs and is built
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# from the given source files with the given compiler flags.
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function(cxx_test_with_flags name cxx_flags libs)
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add_executable(${name} ${ARGN})
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set_target_properties(${name}
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PROPERTIES
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COMPILE_FLAGS "${cxx_flags}")
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# To support mixing linking in static and dynamic libraries, link each
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# library in with an extra call to target_link_libraries.
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foreach (lib "${libs}")
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target_link_libraries(${name} ${lib})
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endforeach()
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add_test(${name} ${name})
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endfunction()
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# cxx_test(name libs srcs...)
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#
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# creates a named test target that depends on the given libs and is
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# built from the given source files. Unlike cxx_test_with_flags,
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# test/name.cc is already implicitly included in the source file list.
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function(cxx_test name libs)
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cxx_test_with_flags("${name}" "${cxx_default}" "${libs}"
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"test/${name}.cc" ${ARGN})
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endfunction()
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cxx_test(gtest_unittest gtest_main)
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if (build_all_gtest_tests)
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cxx_test(gtest-death-test_test gtest_main)
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cxx_test(gtest_environment_test gtest)
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cxx_test(gtest-filepath_test gtest_main)
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cxx_test(gtest-linked_ptr_test gtest_main)
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cxx_test(gtest-listener_test gtest_main)
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cxx_test(gtest_main_unittest gtest_main)
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cxx_test(gtest-message_test gtest_main)
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cxx_test(gtest_no_test_unittest gtest)
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cxx_test(gtest-options_test gtest_main)
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cxx_test(gtest-param-test_test gtest
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test/gtest-param-test2_test.cc)
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cxx_test(gtest-port_test gtest_main)
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cxx_test(gtest_pred_impl_unittest gtest_main)
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cxx_test(gtest_prod_test gtest_main
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test/production.cc)
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cxx_test(gtest_repeat_test gtest)
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cxx_test(gtest_sole_header_test gtest_main)
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cxx_test(gtest_stress_test gtest)
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cxx_test(gtest-test-part_test gtest_main)
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cxx_test(gtest_throw_on_failure_ex_test gtest)
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cxx_test(gtest-typed-test_test gtest_main
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test/gtest-typed-test2_test.cc)
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cxx_test(gtest-unittest-api_test gtest)
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endif()
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############################################################
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# C++ tests built with non-standard compiler flags.
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if (build_all_gtest_tests)
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cxx_library(gtest_no_exception "${cxx_no_exception}"
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src/gtest-all.cc)
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cxx_library(gtest_main_no_rtti "${cxx_no_rtti}"
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src/gtest-all.cc src/gtest_main.cc)
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cxx_test_with_flags(gtest_no_rtti_unittest "${cxx_no_rtti}"
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gtest_main_no_rtti test/gtest_unittest.cc)
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set(cxx_use_shared_gtest "${cxx_default} -DGTEST_LINKED_AS_SHARED_LIBRARY=1")
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set(cxx_build_shared_gtest "${cxx_default} -DGTEST_CREATE_SHARED_LIBRARY=1")
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if (MSVC)
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# Disables the "class 'X' needs to have dll-interface to be used
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# by clients of class 'Y'" warning. This particularly concerns generic
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# classes like vector that MS doesn't mark as exported.
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set(cxx_use_shared_gtest "${cxx_use_shared_gtest} -wd4251")
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set(cxx_build_shared_gtest "${cxx_build_shared_gtest} -wd4251")
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endif()
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cxx_shared_library(gtest_dll "${cxx_build_shared_gtest}"
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src/gtest-all.cc)
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# TODO(vladl): This and the next tests may not run in the hermetic
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# environment on Windows. Re-evaluate and possibly make them
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# platform-conditional after implementing hermetic builds.
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cxx_executable_with_flags(gtest_dll_test_ "${cxx_use_shared_gtest}"
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gtest_dll test/gtest_all_test.cc)
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if (NOT(MSVC AND (MSVC_VERSION EQUAL 1600)))
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# The C++ Standard specifies tuple_element<int, class>.
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# Yet MSVC 10's <utility> declares tuple_element<size_t, class>.
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# That declaration conflicts with our own standard-conforming
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# tuple implementation. Therefore using our own tuple with
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# MSVC 10 doesn't compile.
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cxx_library(gtest_main_use_own_tuple "${cxx_use_own_tuple}"
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src/gtest-all.cc src/gtest_main.cc)
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cxx_test_with_flags(gtest-tuple_test "${cxx_use_own_tuple}"
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gtest_main_use_own_tuple test/gtest-tuple_test.cc)
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cxx_test_with_flags(gtest_use_own_tuple_test "${cxx_use_own_tuple}"
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gtest_main_use_own_tuple
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test/gtest-param-test_test.cc test/gtest-param-test2_test.cc)
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endif()
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endif()
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############################################################
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# Python tests.
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# py_test(name)
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#
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# creates a Python test with the given name whose main module is in
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# test/name.py. It does nothing if Python is not installed.
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function(py_test name)
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if (PYTHONINTERP_FOUND)
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# ${gtest_BINARY_DIR} is known at configuration time, so we can
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# directly bind it from cmake. ${CTEST_CONFIGURATION_TYPE} is known
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# only at ctest runtime (by calling ctest -c <Configuration>), so
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# we have to escape $ to delay variable substitution here.
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add_test(${name}
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${PYTHON_EXECUTABLE} ${gtest_SOURCE_DIR}/test/${name}.py
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--gtest_build_dir=${gtest_BINARY_DIR}/\${CTEST_CONFIGURATION_TYPE})
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endif()
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endfunction()
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if (build_all_gtest_tests)
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cxx_executable(gtest_break_on_failure_unittest_ test gtest)
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py_test(gtest_break_on_failure_unittest)
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cxx_executable(gtest_color_test_ test gtest)
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py_test(gtest_color_test)
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cxx_executable(gtest_env_var_test_ test gtest)
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py_test(gtest_env_var_test)
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cxx_executable(gtest_filter_unittest_ test gtest)
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py_test(gtest_filter_unittest)
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cxx_executable(gtest_help_test_ test gtest_main)
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py_test(gtest_help_test)
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cxx_executable(gtest_list_tests_unittest_ test gtest)
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py_test(gtest_list_tests_unittest)
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cxx_executable(gtest_output_test_ test gtest)
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py_test(gtest_output_test)
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cxx_executable(gtest_shuffle_test_ test gtest)
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py_test(gtest_shuffle_test)
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cxx_executable(gtest_throw_on_failure_test_ test gtest_no_exception)
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set_target_properties(gtest_throw_on_failure_test_
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PROPERTIES
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COMPILE_FLAGS "${cxx_no_exception}")
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py_test(gtest_throw_on_failure_test)
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cxx_executable(gtest_uninitialized_test_ test gtest)
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py_test(gtest_uninitialized_test)
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cxx_executable(gtest_xml_outfile1_test_ test gtest_main)
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cxx_executable(gtest_xml_outfile2_test_ test gtest_main)
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py_test(gtest_xml_outfiles_test)
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cxx_executable(gtest_xml_output_unittest_ test gtest)
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py_test(gtest_xml_output_unittest)
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endif()
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