include ("${RunCMake_SOURCE_DIR}/check_errors.cmake")
unset (errors)

set(listvar a b c d)

list(LENGTH listvar reference)
set (output "$<LIST:LENGTH,a;b;c;d>")
if (NOT output EQUAL reference)
  list (APPEND errors "returns bad value: ${output}")
endif()

set(listvar "")

list(LENGTH listvar reference)
set (output "$<LIST:LENGTH,>")
if (NOT output EQUAL reference)
  list (APPEND errors "returns bad value: ${output}")
endif()

unset(listvar)

list(LENGTH listvar reference)
set (output "$<LIST:LENGTH,>")
if (NOT output EQUAL reference)
  list (APPEND errors "returns bad value: ${output}")
endif()


check_errors("LIST:LENGTH..." ${errors})