Merge topic 'FindGTest-imported-targets'
f0b5ce7f Help: Add notes for topic 'FindGTest-imported-targets' 99afe235 Tests: Add tests for FindGTest 611735e7 FindGTest: Add imported targets and update documentation
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Brad King
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Help/release/dev/FindGTest-imported-targets.rst
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Help/release/dev/FindGTest-imported-targets.rst
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FindGTest-imported-targets
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--------------------------
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* The :module:`FindGTest` module now provides imported targets.
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@ -4,88 +4,89 @@
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#
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# Locate the Google C++ Testing Framework.
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#
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# Defines the following variables:
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# Imported targets
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# ^^^^^^^^^^^^^^^^
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#
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# ::
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# This module defines the following :prop_tgt:`IMPORTED` targets:
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#
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# GTEST_FOUND - Found the Google Testing framework
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# GTEST_INCLUDE_DIRS - Include directories
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# ``GTest::GTest``
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# The Google Test ``gtest`` library, if found; adds Thread::Thread
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# automatically
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# ``GTest::Main``
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# The Google Test ``gtest_main`` library, if found
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#
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#
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# Result variables
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# ^^^^^^^^^^^^^^^^
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#
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# Also defines the library variables below as normal variables. These
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# This module will set the following variables in your project:
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#
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# ``GTEST_FOUND``
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# Found the Google Testing framework
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# ``GTEST_INCLUDE_DIRS``
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# the directory containing the Google Test headers
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#
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# The library variables below are set as normal variables. These
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# contain debug/optimized keywords when a debugging library is found.
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#
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# ::
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# ``GTEST_LIBRARIES``
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# The Google Test ``gtest`` library; note it also requires linking
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# with an appropriate thread library
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# ``GTEST_MAIN_LIBRARIES``
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# The Google Test ``gtest_main`` library
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# ``GTEST_BOTH_LIBRARIES``
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# Both ``gtest`` and ``gtest_main``
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#
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# GTEST_BOTH_LIBRARIES - Both libgtest & libgtest-main
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# GTEST_LIBRARIES - libgtest
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# GTEST_MAIN_LIBRARIES - libgtest-main
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# Cache variables
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# ^^^^^^^^^^^^^^^
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#
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# The following cache variables may also be set:
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#
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# ``GTEST_ROOT``
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# The root directory of the Google Test installation (may also be
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# set as an environment variable)
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# ``GTEST_MSVC_SEARCH``
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# If compiling with MSVC, this variable can be set to ``MD`` or
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# ``MT`` (the default) to enable searching a GTest build tree
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#
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#
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#
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# Accepts the following variables as input:
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#
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# ::
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#
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# GTEST_ROOT - (as a CMake or environment variable)
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# The root directory of the gtest install prefix
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#
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#
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#
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# ::
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#
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# GTEST_MSVC_SEARCH - If compiling with MSVC, this variable can be set to
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# "MD" or "MT" to enable searching a GTest build tree
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# (defaults: "MD")
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#
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#
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#
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# Example Usage:
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# Example usage
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# ^^^^^^^^^^^^^
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#
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# ::
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#
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# enable_testing()
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# find_package(GTest REQUIRED)
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# include_directories(${GTEST_INCLUDE_DIRS})
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#
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#
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#
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# ::
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#
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# add_executable(foo foo.cc)
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# target_link_libraries(foo ${GTEST_BOTH_LIBRARIES})
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#
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#
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#
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# ::
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# target_link_libraries(foo GTest::GTest GTest::Main)
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#
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# add_test(AllTestsInFoo foo)
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#
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#
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#
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#
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# Deeper integration with CTest
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# ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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#
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# If you would like each Google test to show up in CTest as a test you
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# may use the following macro. NOTE: It will slow down your tests by
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# running an executable for each test and test fixture. You will also
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# have to rerun CMake after adding or removing tests or test fixtures.
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# may use the following macro::
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#
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# GTEST_ADD_TESTS(executable extra_args ARGN)
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# GTEST_ADD_TESTS(executable extra_args files...)
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#
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# ::
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# ``executable``
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# the path to the test executable
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# ``extra_args``
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# a list of extra arguments to be passed to executable enclosed in
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# quotes (or ``""`` for none)
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# ``files...``
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# a list of source files to search for tests and test fixtures. Or
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# ``AUTO`` to find them from executable target
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#
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# executable = The path to the test executable
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# extra_args = Pass a list of extra arguments to be passed to
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# executable enclosed in quotes (or "" for none)
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# ARGN = A list of source files to search for tests & test
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# fixtures. Or AUTO to find them from executable target.
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# However, note that this macro will slow down your tests by running
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# an executable for each test and test fixture. You will also have to
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# re-run CMake after adding or removing tests or test fixtures.
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#
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# Example usage::
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#
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#
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# ::
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#
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# Example:
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# set(FooTestArgs --foo 1 --bar 2)
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# add_executable(FooTest FooUnitTest.cc)
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# GTEST_ADD_TESTS(FooTest "${FooTestArgs}" AUTO)
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@ -208,5 +209,60 @@ if(GTEST_FOUND)
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_gtest_append_debugs(GTEST_LIBRARIES GTEST_LIBRARY)
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_gtest_append_debugs(GTEST_MAIN_LIBRARIES GTEST_MAIN_LIBRARY)
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set(GTEST_BOTH_LIBRARIES ${GTEST_LIBRARIES} ${GTEST_MAIN_LIBRARIES})
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endif()
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include(CMakeFindDependencyMacro)
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find_dependency(Threads)
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if(NOT TARGET GTest::GTest)
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add_library(GTest::GTest UNKNOWN IMPORTED)
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set_target_properties(GTest::GTest PROPERTIES
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INTERFACE_LINK_LIBRARIES "Threads::Threads")
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if(GTEST_INCLUDE_DIRS)
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set_target_properties(GTest::GTest PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${GTEST_INCLUDE_DIRS}")
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endif()
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if(EXISTS "${GTEST_LIBRARY}")
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set_target_properties(GTest::GTest PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES "CXX"
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IMPORTED_LOCATION "${GTEST_LIBRARY}")
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endif()
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if(EXISTS "${GTEST_LIBRARY_DEBUG}")
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set_property(TARGET GTest::GTest APPEND PROPERTY
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IMPORTED_CONFIGURATIONS DEBUG)
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set_target_properties(GTest::GTest PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG "CXX"
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IMPORTED_LOCATION_DEBUG "${GTEST_LIBRARY_DEBUG}")
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endif()
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if(EXISTS "${GTEST_LIBRARY_RELEASE}")
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set_property(TARGET GTest::GTest APPEND PROPERTY
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IMPORTED_CONFIGURATIONS RELEASE)
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set_target_properties(GTest::GTest PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "CXX"
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IMPORTED_LOCATION_RELEASE "${GTEST_LIBRARY_RELEASE}")
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endif()
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endif()
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if(NOT TARGET GTest::Main)
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add_library(GTest::Main UNKNOWN IMPORTED)
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set_target_properties(GTest::Main PROPERTIES
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INTERFACE_LINK_LIBRARIES "GTest::GTest")
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if(EXISTS "${GTEST_MAIN_LIBRARY}")
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set_target_properties(GTest::Main PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES "CXX"
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IMPORTED_LOCATION "${GTEST_MAIN_LIBRARY}")
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endif()
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if(EXISTS "${GTEST_MAIN_LIBRARY_DEBUG}")
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set_property(TARGET GTest::Main APPEND PROPERTY
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IMPORTED_CONFIGURATIONS DEBUG)
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set_target_properties(GTest::Main PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG "CXX"
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IMPORTED_LOCATION_DEBUG "${GTEST_MAIN_LIBRARY_DEBUG}")
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endif()
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if(EXISTS "${GTEST_MAIN_LIBRARY_RELEASE}")
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set_property(TARGET GTest::Main APPEND PROPERTY
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IMPORTED_CONFIGURATIONS RELEASE)
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set_target_properties(GTest::Main PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "CXX"
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IMPORTED_LOCATION_RELEASE "${GTEST_MAIN_LIBRARY_RELEASE}")
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endif()
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endif()
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endif()
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@ -1362,6 +1362,11 @@ ${CMake_BINARY_DIR}/bin/cmake -DDIR=dev -P ${CMake_SOURCE_DIR}/Utilities/Release
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if(CMake_TEST_FindGSL)
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add_subdirectory(FindGSL)
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endif()
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if(CMake_TEST_FindGTest)
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add_subdirectory(FindGTest)
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endif()
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if(CMake_TEST_FindJsonCpp)
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add_subdirectory(FindJsonCpp)
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endif()
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10
Tests/FindGTest/CMakeLists.txt
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Tests/FindGTest/CMakeLists.txt
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add_test(NAME FindGTest.Test COMMAND
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${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
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--build-and-test
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"${CMake_SOURCE_DIR}/Tests/FindGTest/Test"
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"${CMake_BINARY_DIR}/Tests/FindGTest/Test"
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${build_generator_args}
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--build-project TestFindGTest
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--build-options ${build_options}
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--test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
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)
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17
Tests/FindGTest/Test/CMakeLists.txt
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cmake_minimum_required(VERSION 3.1)
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project(TestFindGTest CXX)
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include(CTest)
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# CMake does not actually provide FindGTest publicly.
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set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../../../Source/Modules)
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find_package(GTest REQUIRED)
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add_executable(test_gtest_tgt main.cxx)
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target_link_libraries(test_gtest_tgt GTest::Main)
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add_test(NAME test_gtest_tgt COMMAND test_gtest_tgt)
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add_executable(test_gtest_var main.cxx)
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target_include_directories(test_gtest_var PRIVATE ${GTEST_INCLUDE_DIRS})
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target_link_libraries(test_gtest_var PRIVATE ${GTEST_BOTH_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
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add_test(NAME test_gtest_var COMMAND test_gtest_var)
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6
Tests/FindGTest/Test/main.cxx
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#include <gtest/gtest.h>
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TEST(FindCMake, LinksAndRuns)
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{
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ASSERT_TRUE(true);
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}
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