cmake_minimum_required(VERSION 4.2...4.3)

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

set(reference "abcd")
string(PREPEND reference  "efg" "ABCD")
set(output "$<STRING:PREPEND,abcd,efg,ABCD>")
if (NOT output STREQUAL reference)
  list (APPEND errors "<STRING:PREPEND,abcd,efg,ABCD> returns bad data: ${output}")
endif()

unset(reference)
string(PREPEND reference  "efg" "ABCD")
set(output "$<STRING:PREPEND,,efg,ABCD>")
if (NOT output STREQUAL reference)
  list (APPEND errors "<STRING:PREPEND,,efg,ABCD> returns bad data: ${output}")
endif()


check_errors("STRING:PREPEND" ${errors})