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#-------------------------------------------------
# some argument checking:
# test_cmd is the command to run with all its arguments
if(NOT test_cmd)
message(FATAL_ERROR "Variable test_cmd not defined")
endif()
# output_blessed contains the name of the "blessed" output file
if(NOT output_blessed)
message(FATAL_ERROR "Variable output_blessed not defined")
endif()
# output_test contains the name of the output file the test_cmd will produce
if(NOT output_test)
message(FATAL_ERROR "Variable output_test not defined")
endif()
# convert the space-separated string to a list
separate_arguments(test_args)
execute_process(
COMMAND ${test_cmd} ${test_args}
COMMAND ${CMAKE_COMMAND} -E compare_files ${output_blessed} ${output_test}
RESULT_VARIABLE test_not_successful
)
if(test_not_successful)
message(SEND_ERROR "${output_test} does not match ${output_blessed}!")
endif()
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