CMake/Tests/RunCMake/FileSet-SOURCES/FileSetExport-check.cmake

file(READ "${RunCMake_TEST_BINARY_DIR}/export.cmake" content)
if(NOT content MATCHES [[VERSION_LESS "4\.5\.0"]])
  set(RunCMake_TEST_FAILED "Export does not require CMake 4.5")
endif()
if(NOT content MATCHES [[PROPERTY LANGUAGE "CXX"]])
  set(RunCMake_TEST_FAILED "Export does not preserve LANGUAGE CXX")
endif()