file(REMOVE_RECURSE ${CMAKE_CURRENT_BINARY_DIR}/chmod-tests)
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/chmod-tests)

file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/chmod-tests/a "CONTENT")
file(CHMOD ${CMAKE_CURRENT_BINARY_DIR}/chmod-tests/a PERMISSIONS OWNER_WRITE)
file(READ ${CMAKE_CURRENT_BINARY_DIR}/chmod-tests/a content)