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# 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 CMake or env. variable)
# The root directory of the gtest install prefix
#
# GTEST_MSVC_SEARCH - If on MSVC, enables searching the build tree of
# GTest if set to MD or MT (defaults: MD)
#
#-----------------------
# Example Usage:
#
# enable_testing(true)
# find_package(GTest REQUIRED)
# include_directories(${GTEST_INCLUDE_DIRS})
#
# add_executable(foo foo.cc)
# target_link_libraries(foo ${GTEST_BOTH_LIBRARIES})
#
# add_test(AllTestsInFoo foo)
#
#-----------------------
#
# If you would like each Google test to show up in CTest as
# a test you may use the following macro. NOTE: It WILL slow
# down your tests, so be warned.
#
# GTEST_ADD_TESTS(executable extra_args ARGN)
# executable = The path to the test executable
# extra_args = Pass a list of extra arguments to be passed to
# executable enclosed in quotes (or "" for none)
# ARGN = A list of source files to search for tests & test
# fixtures.
#
# Example:
# set(FooTestArgs --foo 1 --bar 2)
# add_executable(FooTest FooUnitTest.cc)
# GTEST_ADD_TESTS(FooTest "${FooTestArgs}" FooUnitTest.cc)
#=============================================================================
# Copyright 2009 Kitware, Inc.
# Copyright 2009 Philip Lowman <philip@yhbt.com>
# Copyright 2009 Daniel Blezek <blezek@gmail.com>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# * Neither the names of Kitware, Inc., the Insight Software Consortium,
# nor the names of their contributors may be used to endorse or promote
# products derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#=============================================================================
#
# 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()
foreach(source ${ARGN})
file(READ "${source}" contents)
string(REGEX MATCHALL "TEST_?F?\\(([A-Za-z_0-9 ,]+)\\)" found_tests ${contents})
foreach(hit ${found_tests})
string(REGEX REPLACE ".*\\(([A-Za-z_0-9]+)[, ]*([A-Za-z_0-9]+)\\).*" "\\1.\\2" test_name ${hit})
add_test(${test_name} ${executable} --gtest_filter=${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(FindPackageHandleStandardArgs)
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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