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# Copyright (c) 2014 Mathieu Malaterre <mathieu.malaterre@voxxl.com>
#
# Redistribution and use is allowed according to the terms of the New
# BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
# check md5 refs
#
# This script will be used to make sure we never introduce a regression on any
# of the nonregression file.
#
# The approach is relatively simple, we compute a md5sum for each of the decode
# file. Anytime the md5sum is different from the reference one, we assume
# something went wrong and simply fails. of course if could happen during the
# course of openjpeg development that the internals are changed that impact the
# decoding process that the output would be bitwise different (while PSNR would
# be kept identical).
#message("0: ${REFFILE}")
#message("1: ${CMAKE_CURRENT_BINARY_DIR}")
#message("2: ${FILENAME}")
file(GLOB globfiles "Temporary/${FILENAME}*.pgx" )
#message("6: ${globfiles}")
# REFFILE follow what md5sum -c would expect as input:
file(READ ${REFFILE} variable)
#string(REGEX REPLACE "\r?\n" ";" variable "${variable}")
foreach(pgxfullpath ${globfiles})
get_filename_component(pgxfile ${pgxfullpath} NAME)
#message("8: ${pgxfile}")
execute_process(
COMMAND ${CMAKE_COMMAND} -E md5sum ${pgxfile}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/Temporary
RESULT_VARIABLE res
OUTPUT_VARIABLE output
ERROR_VARIABLE error_output
OUTPUT_STRIP_TRAILING_WHITESPACE # important
)
# Pass the output back to ctest
if(res)
message(SEND_ERROR "md5 could not be computed, it failed with value ${res}. Output was: ${error_output}")
endif()
#message("3: ${output}")
#message("4: ${variable}")
string(REGEX MATCH "[0-9a-f]+ ${pgxfile}" output_var "${variable}")
#message("5: ${output_var}")
if("${output_var}" STREQUAL "${output}")
#message("6: eqal")
else()
message(SEND_ERROR "not equal: [${output_var}] vs [${output}]")
endif()
endforeach()
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