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#.rst:
# FindGTest
# ---------
#
# Locate the Google C++ Testing Framework.
#
# Defines the following variables:
#
# ::
#
# GTEST_FOUND - Found the Google Testing framework
# GTEST_INCLUDE_DIRS - Include directories
#
#
#
# Also defines the library variables below as normal variables. These
# contain debug/optimized keywords when a debugging library is found.
#
# ::
#
# GTEST_BOTH_LIBRARIES - Both libgtest & libgtest-main
# GTEST_LIBRARIES - libgtest
# GTEST_MAIN_LIBRARIES - libgtest-main
#
#
#
# Accepts the following variables as input:
#
# ::
#
# GTEST_ROOT - (as a CMake or environment variable)
# The root directory of the gtest install prefix
#
#
#
# ::
#
# GTEST_MSVC_SEARCH - If compiling with MSVC, this variable can be set to
# "MD" or "MT" to enable searching a GTest build tree
# (defaults: "MD")
#
#
#
# Example Usage:
#
# ::
#
# enable_testing()
# find_package(GTest REQUIRED)
# include_directories(${GTEST_INCLUDE_DIRS})
#
#
#
# ::
#
# add_executable(foo foo.cc)
# target_link_libraries(foo ${GTEST_BOTH_LIBRARIES})
#
#
#
# ::
#
# add_test(AllTestsInFoo foo)
#
#
#
#
#
# If you would like each Google test to show up in CTest as a test you
# may use the following macro. NOTE: It will slow down your tests by
# running an executable for each test and test fixture. You will also
# have to rerun CMake after adding or removing tests or test fixtures.
#
# GTEST_ADD_TESTS(executable extra_args ARGN)
#
# ::
#
# executable = The path to the test executable
# extra_args = Pass a list of extra arguments to be passed to
# executable enclosed in quotes (or "" for none)
# ARGN = A list of source files to search for tests & test
# fixtures. Or AUTO to find them from executable target.
#
#
#
# ::
#
# Example:
# set(FooTestArgs --foo 1 --bar 2)
# add_executable(FooTest FooUnitTest.cc)
# GTEST_ADD_TESTS(FooTest "${FooTestArgs}" AUTO)
#=============================================================================
# Copyright 2009 Kitware, Inc.
# Copyright 2009 Philip Lowman <philip@yhbt.com>
# Copyright 2009 Daniel Blezek <blezek@gmail.com>
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
#
# Thanks to Daniel Blezek <blezek@gmail.com> for the GTEST_ADD_TESTS code
function(GTEST_ADD_TESTS executable extra_args)
if(NOT ARGN)
message(FATAL_ERROR "Missing ARGN: Read the documentation for GTEST_ADD_TESTS")
endif()
if(ARGN STREQUAL "AUTO")
# obtain sources used for building that executable
get_property(ARGN TARGET ${executable} PROPERTY SOURCES)
endif()
set(gtest_case_name_regex ".*\\( *([A-Za-z_0-9]+), *([A-Za-z_0-9]+) *\\).*")
set(gtest_test_type_regex "(TYPED_TEST|TEST_?[FP]?)")
foreach(source ${ARGN})
file(READ "${source}" contents)
string(REGEX MATCHALL "${gtest_test_type_regex}\\(([A-Za-z_0-9 ,]+)\\)" found_tests ${contents})
foreach(hit ${found_tests})
string(REGEX MATCH "${gtest_test_type_regex}" test_type ${hit})
# Parameterized tests have a different signature for the filter
if(${test_type} STREQUAL "TEST_P")
string(REGEX REPLACE ${gtest_case_name_regex} "*/\\1.\\2/*" test_name ${hit})
elseif(${test_type} STREQUAL "TEST_F" OR ${test_type} STREQUAL "TEST")
string(REGEX REPLACE ${gtest_case_name_regex} "\\1.\\2" test_name ${hit})
elseif(${test_type} STREQUAL "TYPED_TEST")
string(REGEX REPLACE ${gtest_case_name_regex} "\\1/*.\\2" test_name ${hit})
else()
message(WARNING "Could not parse GTest ${hit} for adding to CTest.")
continue()
endif()
add_test(NAME ${test_name} COMMAND ${executable} --gtest_filter=${test_name} ${extra_args})
endforeach()
endforeach()
endfunction()
function(_gtest_append_debugs _endvar _library)
if(${_library} AND ${_library}_DEBUG)
set(_output optimized ${${_library}} debug ${${_library}_DEBUG})
else()
set(_output ${${_library}})
endif()
set(${_endvar} ${_output} PARENT_SCOPE)
endfunction()
function(_gtest_find_library _name)
find_library(${_name}
NAMES ${ARGN}
HINTS
ENV GTEST_ROOT
${GTEST_ROOT}
PATH_SUFFIXES ${_gtest_libpath_suffixes}
)
mark_as_advanced(${_name})
endfunction()
#
if(NOT DEFINED GTEST_MSVC_SEARCH)
set(GTEST_MSVC_SEARCH MD)
endif()
set(_gtest_libpath_suffixes lib)
if(MSVC)
if(GTEST_MSVC_SEARCH STREQUAL "MD")
list(APPEND _gtest_libpath_suffixes
msvc/gtest-md/Debug
msvc/gtest-md/Release)
elseif(GTEST_MSVC_SEARCH STREQUAL "MT")
list(APPEND _gtest_libpath_suffixes
msvc/gtest/Debug
msvc/gtest/Release)
endif()
endif()
find_path(GTEST_INCLUDE_DIR gtest/gtest.h
HINTS
$ENV{GTEST_ROOT}/include
${GTEST_ROOT}/include
)
mark_as_advanced(GTEST_INCLUDE_DIR)
if(MSVC AND GTEST_MSVC_SEARCH STREQUAL "MD")
# The provided /MD project files for Google Test add -md suffixes to the
# library names.
_gtest_find_library(GTEST_LIBRARY gtest-md gtest)
_gtest_find_library(GTEST_LIBRARY_DEBUG gtest-mdd gtestd)
_gtest_find_library(GTEST_MAIN_LIBRARY gtest_main-md gtest_main)
_gtest_find_library(GTEST_MAIN_LIBRARY_DEBUG gtest_main-mdd gtest_maind)
else()
_gtest_find_library(GTEST_LIBRARY gtest)
_gtest_find_library(GTEST_LIBRARY_DEBUG gtestd)
_gtest_find_library(GTEST_MAIN_LIBRARY gtest_main)
_gtest_find_library(GTEST_MAIN_LIBRARY_DEBUG gtest_maind)
endif()
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(GTest DEFAULT_MSG GTEST_LIBRARY GTEST_INCLUDE_DIR GTEST_MAIN_LIBRARY)
if(GTEST_FOUND)
set(GTEST_INCLUDE_DIRS ${GTEST_INCLUDE_DIR})
_gtest_append_debugs(GTEST_LIBRARIES GTEST_LIBRARY)
_gtest_append_debugs(GTEST_MAIN_LIBRARIES GTEST_MAIN_LIBRARY)
set(GTEST_BOTH_LIBRARIES ${GTEST_LIBRARIES} ${GTEST_MAIN_LIBRARIES})
endif()
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