cmake_minimum_required(VERSION 4.2...4.3)

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

string(REGEX MATCH "cd" reference "abcdabcd")
set(output "$<STRING:MATCH,abcdabcd,cd>")
if (NOT output STREQUAL reference)
  list (APPEND errors "<STRING:MATCH,abcdabcd,cd> returns bad data: ${output}")
endif()
set(output "$<STRING:MATCH,abcdabcd,SEEK:ONCE,cd>")
if (NOT output STREQUAL reference)
  list (APPEND errors "<STRING:MATCH,abcdabcd,SEEK:ONCE,cd> returns bad data: ${output}")
endif()

string(REGEX MATCH "(b|B)cd" reference "abcdABcd")
set(output "$<STRING:MATCH,abcdABcd,(b|B)cd>")
if (NOT output STREQUAL reference)
  list (APPEND errors "<STRING:MATCH,abcdABcd,B(cd)> returns bad data: ${output}")
endif()
set(output "$<STRING:MATCH,abcdABcd,(b|B)cd,SEEK:ONCE>")
if (NOT output STREQUAL reference)
  list (APPEND errors "<STRING:MATCH,abcdABcd,B(cd),SEEK:ONCE> returns bad data: ${output}")
endif()

string(REGEX MATCHALL "cd" reference "abcdabcd")
set(output "$<STRING:MATCH,abcdabcd,SEEK:ALL,cd>")
if (NOT output STREQUAL reference)
  list (APPEND errors "<STRING:MATCH,abcdabcd,SEEK:ALL,cd> returns bad data: ${output}")
endif()

string(REGEX MATCHALL "(b|B)cd" reference "abcdABcd")
set(output "$<STRING:MATCH,abcdABcd,(b|B)cd,SEEK:ALL>")
if (NOT output STREQUAL reference)
  list (APPEND errors "<STRING:MATCH,abcdABcd,B(cd),SEEK:ALL> returns bad data: ${output}")
endif()


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