set(whitespaces_ "[\t\n\r ]*")

set(EXPECTED_FILES_COUNT "3")
set(EXPECTED_FILES_NAME_GENERATOR_SPECIFIC_FORMAT TRUE)
set(EXPECTED_FILE_1_COMPONENT "foo")
set(EXPECTED_FILE_CONTENT_1 "^.*/usr/${whitespaces_}.*/usr/foo/${whitespaces_}.*/usr/foo/CMakeLists.txt$")
set(EXPECTED_FILE_2_COMPONENT "bar")
set(EXPECTED_FILE_CONTENT_2 "^.*/usr/${whitespaces_}.*/usr/bar/${whitespaces_}.*/usr/bar/CMakeLists.txt$")
set(EXPECTED_FILE_3_COMPONENT "bas")
set(EXPECTED_FILE_CONTENT_3 "^.*/usr/${whitespaces_}.*/usr/bas/${whitespaces_}.*/usr/bas/CMakeLists.txt$")