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

set(listvar " alpha" "bravo " " charlie " delta)

list(TRANSFORM listvar STRIP OUTPUT_VARIABLE reference)
set (output "$<LIST:TRANSFORM, alpha;bravo ; charlie ;delta,STRIP>")
if (NOT output STREQUAL reference)
  list (APPEND errors "returns bad value: ${output}")
endif()

list(TRANSFORM listvar STRIP AT 1 3 OUTPUT_VARIABLE reference)
set (output "$<LIST:TRANSFORM, alpha;bravo ; charlie ;delta,STRIP,AT,1,3>")
if (NOT output STREQUAL reference)
  list (APPEND errors "returns bad value: ${output}")
endif()

list(TRANSFORM listvar STRIP AT 1 -2 OUTPUT_VARIABLE reference)
set (output "$<LIST:TRANSFORM, alpha;bravo ; charlie ;delta,STRIP,AT,1,-2>")
if (NOT output STREQUAL reference)
  list (APPEND errors "returns bad value: ${output}")
endif()

list(TRANSFORM listvar STRIP FOR 1 2 OUTPUT_VARIABLE reference)
set (output "$<LIST:TRANSFORM, alpha;bravo ; charlie ;delta,STRIP,FOR,1,2>")
if (NOT output STREQUAL reference)
  list (APPEND errors "returns bad value: ${output}")
endif()

list(TRANSFORM listvar STRIP FOR 1 -1 OUTPUT_VARIABLE reference)
set (output "$<LIST:TRANSFORM, alpha;bravo ; charlie ;delta,STRIP,FOR,1,-1>")
if (NOT output STREQUAL reference)
  list (APPEND errors "returns bad value: ${output}")
endif()

list(TRANSFORM listvar STRIP FOR 1 -1 2 OUTPUT_VARIABLE reference)
set (output "$<LIST:TRANSFORM, alpha;bravo ; charlie ;delta,STRIP,FOR,1,-1,2>")
if (NOT output STREQUAL reference)
  list (APPEND errors "returns bad value: ${output}")
endif()

list(TRANSFORM listvar STRIP REGEX "(r|t)a" OUTPUT_VARIABLE reference)
set (output "$<LIST:TRANSFORM, alpha;bravo ; charlie ;delta,STRIP,REGEX,(r|t)a>")
if (NOT output STREQUAL reference)
  list (APPEND errors "returns bad value: ${output}")
endif()


check_errors("LIST:TRANSFORM,STRIP..." ${errors})