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# this one must silently fail
include(I_am_not_here OPTIONAL)
# this one must be found and the result must be put into _includedFile
include(CMake RESULT_VARIABLE _includedFile)
set(fileOne "${_includedFile}")
set(fileTwo "${CMAKE_ROOT}/Modules/CMake.cmake")
if(WIN32)
string(TOLOWER "${fileOne}" fileOne)
string(TOLOWER "${fileTwo}" fileOne)
endif(WIN32)
if(NOT "${fileOne}" STREQUAL "${fileTwo}")
message(FATAL_ERROR "Wrong CMake.cmake was included: \"${$fileOne}\" expected \"${$fileTwo}\"")
endif(NOT "${fileOne}" STREQUAL "${fileTwo}")
# this one must return NOTFOUND in _includedFile
include(I_do_not_exist OPTIONAL RESULT_VARIABLE _includedFile)
if(_includedFile)
message(FATAL_ERROR "File \"I_do_not_exist\" was included, although it shouldn't exist,\nIncluded file is \"${_includedFile}\"")
endif(_includedFile)
# and this one must succeed too
include(CMake OPTIONAL RESULT_VARIABLE _includedFile)
set(fileOne "${_includedFile}")
set(fileTwo "${CMAKE_ROOT}/Modules/CMake.cmake")
if(WIN32)
string(TOLOWER "${fileOne}" fileOne)
string(TOLOWER "${fileTwo}" fileOne)
endif(WIN32)
if(NOT "${fileOne}" STREQUAL "${fileTwo}")
message(FATAL_ERROR "Wrong CMake.cmake was included: \"${$fileOne}\" expected \"${$fileTwo}\"")
endif(NOT "${fileOne}" STREQUAL "${fileTwo}")
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