#
# Codec2 - Next-Generation Digital Voice for Two-Way Radio
#
# CMake configuration contributed by Richard Shaw (KF5OIM)
# Please report questions, comments, problems, or patches to the freetel
# mailing list: https://lists.sourceforge.net/lists/listinfo/freetel-codec2
#

# Note: this has to be at the beginning of the file in order for CMake to 
# actually recognize this override (vs. simply telling the macOS build toolchain
# to mandate the current release).
set(CMAKE_OSX_DEPLOYMENT_TARGET "10.15" CACHE STRING "Minimum OS X deployment version")

cmake_minimum_required(VERSION 3.13)
project(CODEC2
  VERSION 1.2.0
  DESCRIPTION "Next-Generation Digital Voice for Two-Way Radio"
  HOMEPAGE_URL "https://www.rowetel.com/codec2.html"
  LANGUAGES C CXX
  )

include(GNUInstallDirs)
mark_as_advanced(CLEAR
    CMAKE_INSTALL_BINDIR
    CMAKE_INSTALL_INCLUDEDIR
    CMAKE_INSTALL_LIBDIR
)

#
# Prevent in-source builds
# If an in-source build is attempted, you will still need to clean up a few
# files manually.
#
set(CMAKE_DISABLE_SOURCE_CHANGES ON)
set(CMAKE_DISABLE_IN_SOURCE_BUILD ON)
if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")
  message(FATAL_ERROR "In-source builds in ${CMAKE_BINARY_DIR} are not "
   "allowed, please remove ./CMakeCache.txt and ./CMakeFiles/, create a "
   "separate build directory and run cmake from there.")
endif("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")

# Set default build type
if(NOT CMAKE_BUILD_TYPE)
    set(CMAKE_BUILD_TYPE "Debug")
endif()

# Build universal ARM64 and x86_64 binaries on Mac.
if(BUILD_OSX_UNIVERSAL)
set(CMAKE_OSX_ARCHITECTURES "x86_64;arm64")
endif(BUILD_OSX_UNIVERSAL)
set(CMAKE_OSX_DEPLOYMENT_TARGET "10.9" CACHE STRING "Minimum OS X deployment version")

# Require C++14 and C11
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)

#
# Find the git hash if this is a working copy.
#
if(EXISTS ${CMAKE_SOURCE_DIR}/.git)
    find_package(Git)
    if(Git_FOUND)
        execute_process(
            COMMAND "${GIT_EXECUTABLE}" rev-parse --short HEAD
            WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
            RESULT_VARIABLE res
            OUTPUT_VARIABLE CODEC2_HASH
            ERROR_QUIET
            OUTPUT_STRIP_TRAILING_WHITESPACE)
        message(STATUS "Codec2 current git hash: ${CODEC2_HASH}")
        add_definitions(-DGIT_HASH="${CODEC2_HASH}")
    else()
        message(WARNING "Git not found. Can not determine current commit hash.")
        add_definitions(-DGIT_HASH="Unknown")
    endif()
else()
        add_definitions(-DGIT_HASH="None")
endif()

set(ARCHIVE_NAME "codec2-${CODEC2_VERSION_MAJOR}.${CODEC2_VERSION_MINOR}.${CODEC2_VERSION_PATCH}")
add_custom_target(dist
    COMMAND git archive --prefix=${ARCHIVE_NAME}/ HEAD
        | bzip2 > ${CMAKE_BINARY_DIR}/${ARCHIVE_NAME}.tar.bz2
    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})

# Set default C flags.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-strict-overflow")

# Check for what C standard is supported.
if(NOT WIN32)
include(CheckCCompilerFlag)
CHECK_C_COMPILER_FLAG("-std=gnu11" COMPILER_SUPPORTS_GNU11)
CHECK_C_COMPILER_FLAG("-std=gnu99" COMPILER_SUPPORTS_GNU99)

if(COMPILER_SUPPORTS_GNU11)
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11")
elseif(COMPILER_SUPPORTS_GNU99)
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
else()
   message(SEND_ERROR "Compiler doesn't seem to support at least gnu99, might cause problems" )
endif()
endif(NOT WIN32)

# -fPIC is implied on MinGW...
if((NOT WIN32) AND (NOT MICROCONTROLLER_BUILD))
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
endif()

set(CMAKE_C_FLAGS_DEBUG "-g -O2 -DDUMP")
set(CMAKE_C_FLAGS_RELEASE "-O3")

#
# Setup Windows/MinGW specifics here.
#
if(MINGW)
    message(STATUS "System is MinGW.")
endif(MINGW)

#
# Default options
#
option(BUILD_SHARED_LIBS
    "Build shared library. Set to OFF for static library." ON)
option(UNITTEST "Build unittest binaries." OFF)

# LPCNet needs to be bootstrapped because codec2 and freedvlpcnet are
# cross dependent.
option(LPCNET "Build codec2 with LPCNet support." OFF)
set(LPCNET_BUILD_DIR FALSE CACHE PATH "Location of lpcnet build tree.")
# Setting LPCNET_BUILD_DIR implies LPCNET=ON
if(LPCNET_BUILD_DIR)
    set(LPCNET ON)
endif()


include(CheckIncludeFiles)
check_include_files("stdlib.h" HAVE_STDLIB_H)
check_include_files("string.h" HAVE_STRING_H)

include(CheckSymbolExists)
# Check if _GNU_SOURCE is available.
if (NOT DEFINED _GNU_SOURCE)
  check_symbol_exists(__GNU_LIBRARY__ "features.h" _GNU_SOURCE)

  if (NOT _GNU_SOURCE)
    unset(_GNU_SOURCE CACHE)
    check_symbol_exists(_GNU_SOURCE "features.h" _GNU_SOURCE)
  endif()
endif()

if (_GNU_SOURCE)
    add_definitions(-D_GNU_SOURCE=1)
endif()

check_symbol_exists(floor  math.h   HAVE_FLOOR)
check_symbol_exists(ceil   math.h   HAVE_CEIL)
check_symbol_exists(pow    math.h   HAVE_POW)
check_symbol_exists(sqrt   math.h   HAVE_SQRT)
check_symbol_exists(sin    math.h   HAVE_SIN)
check_symbol_exists(cos    math.h   HAVE_COS)
check_symbol_exists(atan2  math.h   HAVE_ATAN2)
check_symbol_exists(log10  math.h   HAVE_LOG10)
check_symbol_exists(round  math.h   HAVE_ROUND)
check_symbol_exists(getopt getopt.h HAVE_GETOPT)

configure_file ("${PROJECT_SOURCE_DIR}/cmake/config.h.in"
                "${PROJECT_BINARY_DIR}/config.h" )
# Output path is such that #include <codec2/version.h> in codec2.h works
set(CODEC2_VERSION_PATH "${PROJECT_BINARY_DIR}/codec2")
configure_file ("${PROJECT_SOURCE_DIR}/cmake/version.h.in"
                "${CODEC2_VERSION_PATH}/version.h" )
include_directories(${PROJECT_BINARY_DIR})

# CMake Package setup
#include(CMakePackageConfigHelpers)
#configure_package_config_file(cmake/codec2-config.cmake.in
#    ${CMAKE_CURRENT_BINARY_DIR}/codec2-config.cmake
#    INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/codec2
#    PATH_VARS CMAKE_INSTALL_INCLUDEDIR
#)


#
# Find lpcnet library
#
if(LPCNET)
    if(LPCNET_BUILD_DIR)
        # Theoretically this shouldn't be needed as we're also defining LPCNET_BUILD_DIR
        # in the PATHS section below. But on Fedora 37, CMake can't find LPCNet (at least
        # in Docker) without this.
        set(lpcnetfreedv_DIR ${LPCNET_BUILD_DIR})
        
        find_package(lpcnetfreedv REQUIRED
            PATHS ${LPCNET_BUILD_DIR}
            NO_DEFAULT_PATH
            CONFIGS lpcnetfreedv.cmake
        )
        if(lpcnetfreedv_FOUND)
            message(STATUS "liblpcnetfreedv found in build tree.")
            add_definitions("-D__LPCNET__")
        else()
            message(FATAL_ERROR "LPCNet include/library not found in build tree.")
        endif()
    else()
        find_package(lpcnetfreedv REQUIRED)
        if(lpcnetfreedv_FOUND)
            add_definitions("-D__LPCNET__")
            message(STATUS "liblpcnetfreedv found.")
        else()
            message(FATAL_ERROR "lpcnetfreedv library not found.")
        endif()
    endif()
endif()


#
# codec2 library and demo apps
#
add_subdirectory(src)
add_subdirectory(demo)


if(UNITTEST)
    # Pthread Library
    find_package(Threads REQUIRED)
    message(STATUS "Threads library flags: ${CMAKE_THREAD_LIBS_INIT}")

    add_subdirectory(unittest)
endif(UNITTEST)

message(STATUS "Build type is: " ${CMAKE_BUILD_TYPE})
string(TOUPPER ${CMAKE_BUILD_TYPE} _FLAGS)
if(_FLAGS STREQUAL "NONE")
    message(STATUS "Compiler Flags: " ${CMAKE_C_FLAGS})
else()
    message(STATUS "Compiler Flags: " ${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${_FLAGS}})
endif()
message(STATUS "Libraries linked: " ${CMAKE_REQUIRED_LIBRARIES})

set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Next-Generation Digital Voice for Two-Way Radio")
set(CPACK_PACKAGE_VENDOR "CMake")
set(CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/README.md")
set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/COPYING")
set(CPACK_PACKAGE_VERSION_MAJOR ${CODEC2_VERSION_MAJOR})
set(CPACK_PACKAGE_VERSION_MINOR ${CODEC2_VERSION_MINOR})
if(CODEC2_VERSION_PATCH)
    set(CPACK_PACKAGE_VERSION_PATCH ${CODEC2_VERSION_PATCH})
else()
    set(CPACK_PACKAGE_VERSION_PATCH 0)
endif()

# Return the date (yyyy-mm-dd)
string(TIMESTAMP DATE_RESULT "%Y-%m-%d" UTC)
message(STATUS "Compilation date = XX${DATE_RESULT}XX")

set(CPACK_PACKAGE_VERSION_PATCH "${CPACK_PACKAGE_VERSION_PATCH}-${DATE_RESULT}-${CODEC2_HASH}")

if(WIN32)
    #
    # Cpack NSIS installer configuration for Windows.
    # See: http://nsis.sourceforge.net/Download
    #

    # Detect if we're doing a 32-bit or 64-bit windows build.
    if(${CMAKE_SIZEOF_VOID_P} EQUAL 8)
        set(CMAKE_CL_64 TRUE)
    endif()
    configure_file(cmake/GetDependencies.cmake.in cmake/GetDependencies.cmake
        @ONLY
    )
    install(SCRIPT ${CMAKE_BINARY_DIR}/cmake/GetDependencies.cmake)
    set(CPACK_PACKAGE_INSTALL_DIRECTORY "Codec2")
    set(CPACK_CREATE_DESKTOP_LINKS "")
    set(CPACK_NSIS_DISPLAY_NAME "${CPACK_PACKAGE_INSTALL_DIRECTORY}")
    set(CPACK_NSIS_URL_INFO_ABOUT "http://rowetel.com/codec2.html")
    set(CPACK_NSIS_MODIFY_PATH ON)
    include(CPack)
elseif(UNIX AND NOT APPLE)
    # Linux packaging
    SET(CPACK_GENERATOR "DEB")
    SET(CPACK_DEBIAN_PACKAGE_MAINTAINER "Mooneer Salem <mooneer@gmail.com>") #required
    SET(CPACK_DEB_COMPONENT_INSTALL ON)
    SET(CPACK_DEBIAN_FILE_NAME DEB-DEFAULT)
    SET(CPACK_DEBIAN_ENABLE_COMPONENT_DEPENDS ON)
    SET(CPACK_DEBIAN_LIB_PACKAGE_NAME "codec2")
    SET(CPACK_DEBIAN_PACKAGE_DEPENDS "lpcnet (>= 0.3.0)")
    include(CPack)
    cpack_add_component(lib REQUIRED)
    cpack_add_component(dev DEPENDS lib)
endif(WIN32)

########################################################################
# Create Pkg Config File
########################################################################
configure_file(
    ${CMAKE_CURRENT_SOURCE_DIR}/codec2.pc.in
    ${CMAKE_CURRENT_BINARY_DIR}/codec2.pc
    @ONLY
)

install(
    FILES ${CMAKE_CURRENT_BINARY_DIR}/codec2.pc
    DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
    COMPONENT "codec2_devel"
)

##################################################################
# Tests
##################################################################

if(UNITTEST)
    include(CTest)
    enable_testing()

    add_test(NAME test_clang_format
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR};
                            clang-format --dry-run --Werror src/*.c src/*.h unittest/*.c demo/*.c")

    add_test(NAME test_freedv_get_hash
             COMMAND sh -c "${CMAKE_CURRENT_BINARY_DIR}/unittest/thash")

if(UNIX) # Uses pthreads
     add_test(NAME test_fifo
             COMMAND $<TARGET_FILE:tfifo>
             )
endif()

    # 16<->8 kHz float resamplers
    add_test(NAME test_fdmdv_16to8
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            ${CMAKE_CURRENT_BINARY_DIR}/unittest/t16_8;
                            DISPLAY=\"\" echo \"diff_fft_mag('in8.raw','out8.raw'); quit;\" | octave-cli -qf
                            ")
             set_tests_properties(test_fdmdv_16to8 PROPERTIES PASS_REGULAR_EXPRESSION "PASS")

    # 16<->8 kHz short (int16) resamplers
    add_test(NAME test_fdmdv_16to8_short
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            ${CMAKE_CURRENT_BINARY_DIR}/unittest/t16_8_short;
                            DISPLAY=\"\" echo \"diff_fft_mag('in8_short.raw','out8_short.raw'); quit;\" | octave-cli -qf
                            ")
             set_tests_properties(test_fdmdv_16to8_short PROPERTIES PASS_REGULAR_EXPRESSION "PASS")

    # 48<->8 kHz float resamplers
    add_test(NAME test_fdmdv_48to8_short
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            ${CMAKE_CURRENT_BINARY_DIR}/unittest/t48_8_short;
                            DISPLAY=\"\" echo \"diff_fft_mag('in8.raw','out8.raw'); quit;\" | octave-cli -qf
                            ")
             set_tests_properties(test_fdmdv_48to8_short PROPERTIES PASS_REGULAR_EXPRESSION "PASS")

    # 48<->8 kHz short resamplers
    add_test(NAME test_fdmdv_48to8
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            ${CMAKE_CURRENT_BINARY_DIR}/unittest/t48_8;
                            DISPLAY=\"\" echo \"diff_fft_mag('in8.raw','out8.raw'); quit;\" | octave-cli -qf
                            ")
             set_tests_properties(test_fdmdv_48to8 PROPERTIES PASS_REGULAR_EXPRESSION "PASS")

    # Basic sanity check of Quisk complex band pass filter.  Note complex filtering cosw(wn) gives
    # just the +ve freq exp(jwn) so output power is 0.5 input power
    add_test(NAME test_quisk_filter
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            ${CMAKE_CURRENT_BINARY_DIR}/unittest/mksine in.raw 1500 1;
                            cat in.raw | ${CMAKE_CURRENT_BINARY_DIR}/unittest/tquisk_filter |
                            sox -t .s16 -r 8000 -c 1 - -t .s16 out.raw vol 2;
                            cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            DISPLAY=\"\" echo \"diff_fft_mag('in.raw','out.raw'); quit;\" | octave-cli -qf
                            ")
             set_tests_properties(test_quisk_filter PROPERTIES PASS_REGULAR_EXPRESSION "PASS")

    add_test(NAME test_CML_ldpcut
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave; CTEST_SINGLE=1 octave-cli -qf ldpcut.m")
             set_tests_properties(test_CML_ldpcut PROPERTIES PASS_REGULAR_EXPRESSION "Nerr: 0")

    add_test(NAME test_CML_ldpcut_one_stuffing
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave; CTEST_ONE_STUFFING=1 octave-cli -qf ldpcut.m")
             set_tests_properties(test_CML_ldpcut_one_stuffing PROPERTIES PASS_REGULAR_EXPRESSION "Ferrs: 0")

    # Golay (23,11) unit tests
    add_test(NAME test_golay23 COMMAND sh -c "${CMAKE_CURRENT_BINARY_DIR}/unittest/golay23")
    add_test(NAME test_golay23_runtime_tables COMMAND sh -c "${CMAKE_CURRENT_BINARY_DIR}/unittest/golay23_runtime_tables")

    # check channel simulator measures correct Peak to Average Power Ratio (about 0dB) with a sine wave input signal
    add_test(NAME test_ch_papr
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR};
                            ./unittest/mksine - 1000 10 | ./src/ch - /dev/null --ctest")

    add_test(NAME test_codec2_700c_octave_port
             COMMAND sh -c "
               cd ${CMAKE_CURRENT_BINARY_DIR}/src;
               ./c2sim ${CMAKE_CURRENT_SOURCE_DIR}/raw/hts1a.raw --phase0 --postfilter --dump hts1a --lpc 10 --dump_pitch_e hts1a_pitche.txt;
               cd ${CMAKE_CURRENT_BINARY_DIR}/unittest; ./tnewamp1 ${CMAKE_CURRENT_SOURCE_DIR}/raw/hts1a.raw;
               cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
               DISPLAY=\"\" octave-cli -qf --eval 'tnewamp1(\"${CMAKE_CURRENT_BINARY_DIR}/src/hts1a\", \"${CMAKE_CURRENT_BINARY_DIR}/unittest\")'")
             set_tests_properties(test_codec2_700c_octave_port PROPERTIES PASS_REGULAR_EXPRESSION "fails: 0")

    # -------------------------------------------------------------------------
    #                                FDMDV Modem
    # -------------------------------------------------------------------------

    add_test(NAME test_FDMDV_modem_octave_ut
             COMMAND sh -c "
               cd ${CMAKE_CURRENT_SOURCE_DIR}/octave/;
               DISPLAY=\"\" octave-cli -qf fdmdv_ut.m")
             set_tests_properties(test_FDMDV_modem_octave_ut PROPERTIES PASS_REGULAR_EXPRESSION "errors......: 0")

    add_test(NAME test_FDMDV_modem_octave_mod_demod
             COMMAND sh -c "
               cd ${CMAKE_CURRENT_SOURCE_DIR}/octave/;
               echo \"fdmdv_mod('test.raw',1400); fdmdv_demod('test.raw',1400); quit\" | DISPLAY=\"\" octave-cli")
             set_tests_properties(test_FDMDV_modem_octave_mod_demod PROPERTIES PASS_REGULAR_EXPRESSION "0 errors")

    add_test(NAME test_FDMDV_modem_octave_port
             COMMAND sh -c "$<TARGET_FILE:tfdmdv> && DISPLAY=\"\" octave-cli --no-gui -qf ${CMAKE_CURRENT_SOURCE_DIR}/octave/tfdmdv.m"
             WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/octave)
             set_tests_properties(test_FDMDV_modem_octave_port PROPERTIES PASS_REGULAR_EXPRESSION "fails: 0")

    add_test(NAME test_FDMDV_modem_octave_c
             COMMAND sh -c "
               cd ${CMAKE_CURRENT_BINARY_DIR}/src;
               ./fdmdv_get_test_bits - 14000 | ./fdmdv_mod - - | 
               ./fdmdv_demod - - 14 demod_dump.txt | ./fdmdv_put_test_bits - ;
               cd ${CMAKE_CURRENT_SOURCE_DIR}/octave/;
               DISPLAY=\"\" octave-cli -qf fdmdv_ut.m")
             set_tests_properties(test_FDMDV_modem_octave_c PROPERTIES PASS_REGULAR_EXPRESSION "errors......: 0")

    # -------------------------------------------------------------------------
    #                                COHPSK Modem
    # -------------------------------------------------------------------------

    add_test(NAME test_COHPSK_modem_octave_port
             COMMAND sh -c "$<TARGET_FILE:tcohpsk> && DISPLAY=\"\" octave-cli --no-gui -qf ${CMAKE_CURRENT_SOURCE_DIR}/octave/tcohpsk.m"
             WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/octave)
             set_tests_properties(test_COHPSK_modem_octave_port PROPERTIES PASS_REGULAR_EXPRESSION "fails: 0")

    add_test(NAME test_COHPSK_modem_AWGN_BER
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./cohpsk_get_test_bits - 5600 |
                            ./cohpsk_mod - - |
                            ./ch - - --No -30 --Fs 7500 | 
                            ./cohpsk_demod - - |
                            ./cohpsk_put_test_bits -"
             )

    add_test(NAME test_COHPSK_modem_freq_offset
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./cohpsk_get_test_bits - 5600 |
                            ./cohpsk_mod - - |
                            ./ch - - --No -40 -f -30 --Fs 7500 | 
                            ./cohpsk_demod - - |
                            ./cohpsk_put_test_bits -"
             )

    # -------------------------------------------------------------------------
    #                                OFDM Modem
    # -------------------------------------------------------------------------

    add_test(NAME test_OFDM_qam16
             COMMAND sh -c "${CMAKE_CURRENT_BINARY_DIR}/unittest/tqam16")

    add_test(NAME test_OFDM_modem_octave_port
             COMMAND sh -c "PATH_TO_TOFDM=${CMAKE_CURRENT_BINARY_DIR}/unittest/tofdm DISPLAY=\"\" octave-cli --no-gui -qf ${CMAKE_CURRENT_SOURCE_DIR}/octave/tofdm.m"
             WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/octave)
             set_tests_properties(test_OFDM_modem_octave_port PROPERTIES PASS_REGULAR_EXPRESSION "fails: 0")

    add_test(NAME test_OFDM_modem_octave_port_Nc_31
             COMMAND sh -c "NC=31 PATH_TO_TOFDM=${CMAKE_CURRENT_BINARY_DIR}/unittest/tofdm DISPLAY=\"\" octave-cli --no-gui -qf ${CMAKE_CURRENT_SOURCE_DIR}/octave/tofdm.m"
             WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/octave)
             set_tests_properties(test_OFDM_modem_octave_port_Nc_31 PROPERTIES PASS_REGULAR_EXPRESSION "fails: 0")

    add_test(NAME test_OFDM_modem_octave_qam16_uncoded
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            echo \"ofdm_tx('test_qam16.raw','qam16c1',3,12,'awgn','bursts',3); ofdm_rx('test_qam16.raw','qam16c1', 'passber', 0.05, 'packetsperburst', 1); quit\" |
                            DISPLAY=\"\" octave-cli")
             set_tests_properties(test_OFDM_modem_octave_qam16_uncoded PROPERTIES PASS_REGULAR_EXPRESSION "Pass")

    add_test(NAME test_OFDM_modem_esno_est_octave
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            echo 'pkg load signal; esno_est; esno_est_tests_octave' |
                            PATH_TO_UNITEST=${CMAKE_CURRENT_BINARY_DIR}/unittest/ DISPLAY=\"\" octave-cli")
             set_tests_properties(test_OFDM_modem_esno_est_octave PROPERTIES PASS_REGULAR_EXPRESSION "AWGN Pass.*MPP Pass")

    add_test(NAME test_OFDM_modem_esno_est_c
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            echo 'pkg load signal; esno_est; esno_est_tests_c' |
                            PATH_TO_UNITEST=${CMAKE_CURRENT_BINARY_DIR}/unittest/ DISPLAY=\"\" octave-cli")
             set_tests_properties(test_OFDM_modem_esno_est_c PROPERTIES PASS_REGULAR_EXPRESSION "AWGN Pass.*MPP Pass")


    #  ---------------------------------- Data Mode burst acquisition tests ----------------------------------
    
    add_test(NAME test_OFDM_modem_octave_burst_acq
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            echo \"ctest=1; ofdm_acquisition; quit\" | DISPLAY=\"\" octave-cli")
             set_tests_properties(test_OFDM_modem_octave_burst_acq PROPERTIES PASS_REGULAR_EXPRESSION "P.acq. = 1.00")

    add_test(NAME test_OFDM_modem_octave_datac0_postamble
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            echo \"ofdm_tx('test_datac0.raw','datac0',1,100,'awgn','bursts',3); ofdm_rx('test_datac0.raw','datac0','packetsperburst',1,'postambletest','passber', 1E-6); quit\" |
                            DISPLAY=\"\" octave-cli")
             set_tests_properties(test_OFDM_modem_octave_datac0_postamble PROPERTIES PASS_REGULAR_EXPRESSION "Pass")

    # Check C port of burst acquisition
    add_test(NAME test_OFDM_modem_burst_acq_port
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            echo \"tofdm_acq; quit\" | PATH_TO_UNITTEST=${CMAKE_CURRENT_BINARY_DIR}/unittest DISPLAY=\"\" octave-cli")
             set_tests_properties(test_OFDM_modem_burst_acq_port PROPERTIES PASS_REGULAR_EXPRESSION "PASS")

    # Give uncoded Octave burst data modem a workout on a poor channel (0dB SNR MPP)
    add_test(NAME test_OFDM_modem_octave_datac0_mpp
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            echo \"ofdm_tx('test_datac0.raw','datac0',1,0,'mpp','bursts',10); \
                                   ofdm_rx('test_datac0.raw','datac0','packetsperburst',1,'passpacketcount',9);\
                                   quit\" |
                            DISPLAY=\"\" octave-cli")
             set_tests_properties(test_OFDM_modem_octave_datac0_mpp PROPERTIES PASS_REGULAR_EXPRESSION "Pass")

    # Same for coded Octave burst data modem - look out for bit rot as simulations evolve ....
    add_test(NAME test_OFDM_modem_octave_datac0_mpp_coded
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            echo \"ofdm_ldpc_tx('test_datac0.raw','datac0',1,0,'mpp','bursts',10); \
                                   ofdm_ldpc_rx('test_datac0.raw','datac0','packetsperburst',1,'passpacketcount',9);\
                                   quit\" |
                            DISPLAY=\"\" octave-cli")
             set_tests_properties(test_OFDM_modem_octave_datac0_mpp_coded PROPERTIES PASS_REGULAR_EXPRESSION "Pass")

    # Check Octave and C compressed waveforms are about the same
    add_test(NAME test_OFDM_modem_datac0_compression
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/unittest;
                            ./check_comp.sh ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}/src")
           
    #  ---------------------------------- ofdm_mod/demod level C modem tests ----------------------------------
    
    # noise free uncoded 700D test, including reading and writing payload bits
    add_test(NAME test_OFDM_modem_700D
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ofdm_get_test_bits - |
                            ./ofdm_mod |
                            ./ofdm_demod  --testframes > /dev/null")

    # noise free coded 700D test, including reading and writing payload bits
    add_test(NAME test_OFDM_modem_700D_ldpc
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ofdm_get_test_bits - --length 112 |
                            ./ofdm_mod --ldpc |
                            ./ofdm_demod --ldpc --testframes > /dev/null")

    # noise free 2020 test, including reading and writing payload bits.  fsk_*_test_bits
    # used as it does it's own frame sync
    add_test(NAME test_OFDM_modem_2020_ldpc
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./fsk_get_test_bits - 5000 |
                            ./ofdm_mod --ldpc --mode 2020 |
                            ./ofdm_demod  --ldpc --mode 2020 |
                            ./fsk_put_test_bits - -q")

    add_test(NAME test_OFDM_modem_AWGN_BER
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ofdm_mod --in /dev/zero --ldpc --testframes 60 --txbpf | 
                            ./ch - - --No -20 -f -50 | 
                            ./ofdm_demod --out /dev/null --testframes --ldpc --verbose 1"
             )

    add_test(NAME test_OFDM_modem_fading_BER
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/unittest;
                            PATH=$PATH:${CMAKE_CURRENT_BINARY_DIR}/src ./ofdm_fade.sh ${CMAKE_CURRENT_BINARY_DIR}/unittest")

    add_test(NAME test_OFDM_modem_phase_est_bw
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/unittest;
                            PATH=$PATH:${CMAKE_CURRENT_BINARY_DIR}/src ./ofdm_phase_est_bw.sh ${CMAKE_CURRENT_BINARY_DIR}/unittest")

    add_test(NAME test_OFDM_modem_time_sync_700D
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/unittest;
                            PATH=$PATH:${CMAKE_CURRENT_BINARY_DIR}/src ./ofdm_time_sync.sh 700D")

if(LPCNET)
    add_test(NAME test_OFDM_modem_time_sync_2020
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/unittest;
                            PATH=$PATH:${CMAKE_CURRENT_BINARY_DIR}/src ./ofdm_time_sync.sh 2020")
endif()

    # 700E at a little above AWGN operating point
    add_test(NAME test_OFDM_modem_700E_AWGN
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ofdm_mod --in /dev/zero --testframes 10 --ldpc --mode 700E |
                            ./ch - - --No -22 |
                            ./ofdm_demod --mode 700E --ldpc --testframes -v 2 > /dev/null")

    # 2020B AWGN test 
    add_test(NAME test_OFDM_modem_2020B_AWGN
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ofdm_mod --in /dev/zero --testframes 10 --mode 2020B --ldpc --clip --txbpf |
                            ./ch - - --No -19 |
                            ./ofdm_demod --mode 2020B --testframes --ldpc -v 2 > /dev/null")
                      
    # -------------------------------------------------------------------------
    #                                OFDM Data modes
    # -------------------------------------------------------------------------

    # To integrate a new mode/waveform we prototype in Octave, get the core OFDM modem
    # running in C (ofdm_mod & ofdm_demod), then the FreeDV API (frredv_tx & freedv_rx).  
    # Here we test Octave and the C versions of the OFDM modem working together, to help
    # prevent any bit rot between them

    # DATAC0 burst mode Octave Tx, C Rx
    add_test(NAME test_OFDM_modem_datac0_octave_burst
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            DISPLAY=\"\" octave-cli -qf --eval \"ofdm_ldpc_tx('${CMAKE_CURRENT_BINARY_DIR}/test.raw','datac0',1,100,'awgn','bursts',3)\";
                            cd ${CMAKE_CURRENT_BINARY_DIR};
                            cat test.raw | ./src/ofdm_demod --mode datac0 --out /dev/null  --testframes --ldpc --verbose 1 --packetsperburst 1")
             set_tests_properties(test_OFDM_modem_datac0_octave_burst PROPERTIES PASS_REGULAR_EXPRESSION "Coded PER: 0.0000 Tpkts:     3")

    # DATAC1 C Tx, Octave Rx
    add_test(NAME test_OFDM_modem_datac1_octave
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR};
                            ./src/ofdm_mod --mode datac1 --in /dev/zero --testframes 20 --verbose 1 --ldpc > test.raw;
                            cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            DISPLAY=\"\" octave-cli -qf --eval 'ofdm_ldpc_rx(\"${CMAKE_CURRENT_BINARY_DIR}/test.raw\",\"datac1\")'")
             set_tests_properties(test_OFDM_modem_datac1_octave PROPERTIES PASS_REGULAR_EXPRESSION "Coded PER: 0.0000 Pckts:     4")

    # DATAC3 C Tx, Octave Rx
    add_test(NAME test_OFDM_modem_datac3_octave
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR};
                            ./src/ofdm_mod --mode datac3 --in /dev/zero --testframes 20 --verbose 1 --ldpc > test.raw;
                            cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            DISPLAY=\"\" octave-cli -qf --eval 'ofdm_ldpc_rx(\"${CMAKE_CURRENT_BINARY_DIR}/test.raw\",\"datac3\")'")
             set_tests_properties(test_OFDM_modem_datac3_octave PROPERTIES PASS_REGULAR_EXPRESSION "Coded PER: 0.0000 Pckts:     5")

    # DATAC1 C Tx, C Rx, uncoded
    add_test(NAME test_OFDM_modem_datac1
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ofdm_mod   --mode datac1 --in  /dev/zero --testframes 10 --verbose 1 |
                            ./ofdm_demod --mode datac1 --out /dev/null --testframes --verbose 1")

    # DATAC1 C Tx, C Rx, coded
    add_test(NAME test_OFDM_modem_datac1_ldpc
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ofdm_mod   --mode datac1 --in  /dev/zero --testframes 10 --ldpc --verbose 1 |
                            ./ofdm_demod --mode datac1 --out /dev/null  --testframes --ldpc --verbose 1")

    # DATAC0 C Tx, C Rx, coded, burst mode
    add_test(NAME test_OFDM_modem_datac0_ldpc_burst
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ofdm_mod --mode datac0 --in /dev/zero --testframes 1 --verbose 1 --ldpc --bursts 3 |
                            ./ch - - --No -17 |
                            ./ofdm_demod --mode datac0 --out /dev/null --testframes --ldpc --verbose 2 --packetsperburst 1")

    # DATAC4 C Tx, Octave Rx, burst mode
    add_test(NAME test_OFDM_modem_datac4_octave
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR};
                            ./src/ofdm_mod --mode datac4 --in /dev/zero --testframes 1 --verbose 1 --ldpc --bursts 5 > test.raw;
                            cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            DISPLAY=\"\" octave-cli -qf --eval 'ofdm_ldpc_rx(\"${CMAKE_CURRENT_BINARY_DIR}/test.raw\",\"datac4\",\"packetsperburst\",1)'")
             set_tests_properties(test_OFDM_modem_datac3_octave PROPERTIES PASS_REGULAR_EXPRESSION "Coded PER: 0.0000 Pckts:     5")
             
    # DATAC13 Octave Tx, C Rx, burst mode
    add_test(NAME test_OFDM_modem_datac13_octave
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            DISPLAY=\"\" octave-cli -qf --eval 'ofdm_ldpc_tx(\"${CMAKE_CURRENT_BINARY_DIR}/src/test.raw\",\"datac13\",1,3,\"awgn\",\"bursts\",5)';
                            cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            cat test.raw | ./ofdm_demod --mode datac13 --out /dev/null --testframes --ldpc --verbose 2 --packetsperburst 1")
             
    # DATAC4 C Tx, C Rx, burst mode
    add_test(NAME test_OFDM_modem_datac4_ldpc_burst
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ofdm_mod --mode datac4 --in /dev/zero --testframes 1 --verbose 1 --ldpc --bursts 10 |
                            ./ch - - --No -17 |
                            ./ofdm_demod --mode datac4 --out /dev/null --testframes --ldpc --verbose 2 --packetsperburst 1")

    # DATAC13 C Tx, C Rx, burst mode
    add_test(NAME test_OFDM_modem_datac13_ldpc_burst
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ofdm_mod --mode datac13 --in /dev/zero --testframes 1 --verbose 1 --ldpc --bursts 10 |
                            ./ch - - --No -17 |
                            ./ofdm_demod --mode datac13 --out /dev/null --testframes --ldpc --verbose 2 --packetsperburst 1")

   # -------------------------------------------------------------------------
    #                                LDPC
    # -------------------------------------------------------------------------

    # tests ldpc_enc/ldpc_noise/ldpc_dec
    add_test(NAME test_ldpc_enc_dec
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ldpc_enc /dev/zero - --sd --code HRA_112_112 --testframes 200 |
                            ./ldpc_noise - - 0.5 |
                            ./ldpc_dec - /dev/null --code HRA_112_112 --sd --testframes"
             )

    add_test(NAME test_ldpc_enc_dec_HRA_56_56
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ldpc_enc /dev/zero - --sd --code HRA_56_56 --testframes 200 |
                            ./ldpc_noise - - 0.5 |
                            ./ldpc_dec - /dev/null --code HRA_56_56 --sd --testframes"
             )

    add_test(NAME test_ldpc_enc_dec_H_212_158
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ldpc_enc /dev/zero - --sd --code H_212_158 --testframes 200 |
                            ./ldpc_noise - - -2.0 |
                            ./ldpc_dec - /dev/null --code H_212_158 --sd --testframes"
             )

    add_test(NAME test_ldpc_enc_dec_HRAb_396_504
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ldpc_enc /dev/zero - --sd --code HRAb_396_504 --testframes 200 |
                            ./ldpc_noise - - -2.0 |
                            ./ldpc_dec - /dev/null --code HRAb_396_504 --sd --testframes"
             )

    add_test(NAME test_ldpc_enc_dec_H_256_768_22
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ldpc_enc /dev/zero - --sd --code H_256_768_22 --testframes 200 |
                            ./ldpc_noise - - 3.0 |
                            ./ldpc_dec - /dev/null --code H_256_768_22 --sd --testframes"
             )

    add_test(NAME test_ldpc_enc_dec_H_256_512_4
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ldpc_enc /dev/zero - --sd --code H_256_512_4 --testframes 200 |
                            ./ldpc_noise - - 0.5 |
                            ./ldpc_dec - /dev/null --code H_256_512_4 --sd --testframes"
             )

    add_test(NAME test_ldpc_enc_dec_HRAa_1536_512
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ldpc_enc /dev/zero - --sd --code HRAa_1536_512 --testframes 200 |
                            ./ldpc_noise - - -2 |
                            ./ldpc_dec - /dev/null --code HRAa_1536_512 --sd --testframes"
             )

    add_test(NAME test_ldpc_enc_dec_H_128_256_5
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ldpc_enc /dev/zero - --sd --code H_128_256_5 --testframes 200 |
                            ./ldpc_noise - - 0.5 |
                            ./ldpc_dec - /dev/null --code H_128_256_5 --sd --testframes"
             )

    add_test(NAME test_ldpc_enc_dec_H_4096_8192_3d
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ldpc_enc /dev/zero - --sd --code H_4096_8192_3d --testframes 100 |
                            ./ldpc_noise - - 0.0 |
                            ./ldpc_dec - /dev/null --code H_4096_8192_3d --sd --testframes"
             )

    add_test(NAME test_ldpc_enc_dec_H_16200_9720
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ldpc_enc /dev/zero - --sd --code H_16200_9720 --testframes 10 |
                            ./ldpc_noise - - 0.5 |
                            ./ldpc_dec - /dev/null --code H_16200_9720 --sd --testframes"
             )

    add_test(NAME test_ldpc_enc_dec_H_1024_2048_4f
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ldpc_enc /dev/zero - --sd --code H_1024_2048_4f --testframes 100 |
                            ./ldpc_noise - - 0.0 |
                            ./ldpc_dec - /dev/null --code H_1024_2048_4f --sd --testframes"
             )

    add_test(NAME test_ldpc_enc_dec_H_2064_516_sparse
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ldpc_enc /dev/zero - --sd --code H_2064_516_sparse --testframes 100 |
                            ./ldpc_noise - - -2.0 |
                            ./ldpc_dec - /dev/null --code H_2064_516_sparse --sd --testframes"
             )

    # -------------------------------------------------------------------------
    #                                FreeDV API
    # -------------------------------------------------------------------------

    # Test 1600 using number of frames decoded and correct rx txt channel output
    add_test(NAME test_freedv_api_1600
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./freedv_tx 1600 ../../raw/ve9qrp_10s.raw - | ./freedv_rx 1600 - /dev/null --txtrx 1600.txt;
                            cat 1600.txt")
             set_tests_properties(test_freedv_api_1600 PROPERTIES PASS_REGULAR_EXPRESSION "frames decoded: 503 .*cq cq hello")

    add_test(NAME test_freedv_api_700C
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./freedv_tx 700C ../../raw/ve9qrp_10s.raw - | ./freedv_rx 700C - /dev/null")
             set_tests_properties(test_freedv_api_700C PROPERTIES PASS_REGULAR_EXPRESSION "frames decoded: 125")

    add_test(NAME test_freedv_api_700D_backwards_compatability
             COMMAND sh -c "$<TARGET_FILE:freedv_rx> 700D ${CMAKE_CURRENT_SOURCE_DIR}/raw/testframes_700d.raw /dev/null --testframes --discard"
             )

    # speech output on valid signal (at least 70000 samples), to exercise freedv_bits_to_speech() speech output logic
    add_test(NAME test_freedv_api_700D_speech
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./freedv_tx 700D ../../raw/ve9qrp_10s.raw - |
                            ./ch - - --No -20 |
                            ./freedv_rx 700D - /dev/null --squelch -2 -vv")
             set_tests_properties(test_freedv_api_700D_speech PROPERTIES PASS_REGULAR_EXPRESSION "frames decoded: 62  output speech samples: 7")

    # no random speech output due to trial sync when listening to noise
    add_test(NAME test_freedv_api_700D_burble
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./freedv_tx 700D ../../raw/ve9qrp.raw - |
                            ./ch - - --No -8 |
                            ./freedv_rx 700D - /dev/null --squelch -2 -vv")
             set_tests_properties(test_freedv_api_700D_burble PROPERTIES PASS_REGULAR_EXPRESSION "output speech samples: 0")

    add_test(NAME test_freedv_api_700D_AWGN_BER
             COMMAND sh -c "dd bs=2560 count=120 if=/dev/zero | $<TARGET_FILE:freedv_tx> 700D - - --testframes | $<TARGET_FILE:ch> - - --No -20 -f -10 | $<TARGET_FILE:freedv_rx> 700D - /dev/null --testframes --discard"
             )

    # exercises complex rx codepath, albeit with just real samples
    add_test(NAME test_freedv_api_700D_AWGN_BER_USECOMPLEX
             COMMAND sh -c "dd bs=2560 count=120 if=/dev/zero | $<TARGET_FILE:freedv_tx> 700D - - --testframes | $<TARGET_FILE:ch> - - --No -20 -f -10 | $<TARGET_FILE:freedv_rx> 700D - /dev/null --testframes --discard --usecomplex"
             )

    # check real part of freedv_comptx() matches freedv_tx()
    add_test(NAME test_freedv_api_700D_real_comp
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/unittest;
                            PATH=$PATH:${CMAKE_CURRENT_BINARY_DIR}/demo:${CMAKE_CURRENT_BINARY_DIR}/unittest;
                            ./check_real_comp.sh"
            )

    # exercises freedv_comptx()
    add_test(NAME test_freedv_api_700D_comptx
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/unittest;
                            cat ${CMAKE_CURRENT_SOURCE_DIR}/raw/ve9qrp_10s.raw |
                            ./freedv_700d_comptx |
                            ./freedv_700d_comprx tx > /dev/null"
             )
           
    # exercises freedv_comprx()
    add_test(NAME test_freedv_api_700D_comprx
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/unittest;
                            cat ${CMAKE_CURRENT_SOURCE_DIR}/raw/ve9qrp_10s.raw |
                            ./freedv_700d_comptx |
                            ./freedv_700d_comprx rx > /dev/null"
             )
           
if(LPCNET)

    add_test(NAME test_freedv_api_2020_to_ofdm_demod
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                               ./freedv_tx 2020 ../../wav/wia_16kHz.wav - --testframes |
                               ./ofdm_demod --mode 2020 --verbose 1 --ldpc --testframes > /dev/null"
             )

     add_test(NAME test_freedv_api_2020_from_ofdm_mod
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ofdm_mod --in /dev/zero --mode 2020 --verbose 1 --ldpc --testframes 10 |
                            ./freedv_rx 2020 - /dev/null --testframes"
             )

     add_test(NAME test_freedv_api_2020_awgn
              COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            dd bs=32000 count=10 if=/dev/zero |
                            ./freedv_tx 2020 - - --testframes |
                            ./ch - - --No -24 |
                            ./freedv_rx 2020 - /dev/null --testframes"
             )

     add_test(NAME test_freedv_api_2020B_mpp
              COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            dd bs=32000 count=60 if=/dev/zero |
                            ./freedv_tx 2020B - - --testframes --clip 1 |
                            ./ch - - --No -25 --mpp --fading_dir ../unittest |
                            ./freedv_rx 2020B - /dev/null --testframes"
             )

endif()

     add_test(NAME test_freedv_api_2400A
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./freedv_tx 2400A ../../raw/ve9qrp_10s.raw - | ./freedv_rx 2400A - /dev/null")
             set_tests_properties(test_freedv_api_2400A PROPERTIES PASS_REGULAR_EXPRESSION "frames decoded: 250")
     add_test(NAME test_freedv_api_2400B
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./freedv_tx 2400B ../../raw/ve9qrp_10s.raw - | ./freedv_rx 2400B - /dev/null")
             set_tests_properties(test_freedv_api_2400B PROPERTIES PASS_REGULAR_EXPRESSION "frames decoded: 250")
     add_test(NAME test_freedv_api_800XA
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./freedv_tx 800XA ../../raw/ve9qrp_10s.raw - | ./freedv_rx 800XA - /dev/null")
             set_tests_properties(test_freedv_api_800XA PROPERTIES PASS_REGULAR_EXPRESSION "frames decoded: 125")

     add_test(NAME test_freedv_api_rawdata_800XA
             COMMAND sh -c "./tfreedv_800XA_rawdata"
             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/unittest
             )

     add_test(NAME test_freedv_api_rawdata_2400A
             COMMAND sh -c "./tfreedv_2400A_rawdata"
             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/unittest
             )

     add_test(NAME test_freedv_api_rawdata_2400B
             COMMAND sh -c "./tfreedv_2400B_rawdata"
             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/unittest
             )

     add_test(NAME test_peak_levels
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/unittest;
                            PATH=$PATH:${CMAKE_CURRENT_BINARY_DIR}/src ./check_peak.sh")
             set_tests_properties(test_peak_levels PROPERTIES FAIL_REGULAR_EXPRESSION "FAIL")
if(LPCNET)
     add_test(NAME test_peak_levels_lpcnet
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/unittest;
                            PATH=$PATH:${CMAKE_CURRENT_BINARY_DIR}/src ./check_peak.sh LPCNet")
             set_tests_properties(test_peak_levels_lpcnet PROPERTIES FAIL_REGULAR_EXPRESSION "FAIL")
endif()
           
    # -------------------------------------------------------------------------
    #                                Reliable Text
    # -------------------------------------------------------------------------
     add_test(NAME test_freedv_reliable_text_truncate_string
           COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                          ./freedv_tx 1600 ../../raw/ve9qrp.raw - --reliabletext AB1CDEFGH > 1600_reliable.raw 2>/dev/null;
                          ./freedv_rx 1600 1600_reliable.raw /dev/null --txtrx 1600_reliable.txt --reliabletext 2>/dev/null;
                          grep 'AB1CDEFG' 1600_reliable.txt | wc -l")
           set_tests_properties(test_freedv_reliable_text_truncate_string PROPERTIES PASS_REGULAR_EXPRESSION "20")
                              
    add_test(NAME test_freedv_reliable_text_ideal_1600
          COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                         ./freedv_tx 1600 ../../raw/ve9qrp.raw - --reliabletext AB1CDEF > 1600_reliable.raw 2>/dev/null;
                         ./freedv_rx 1600 1600_reliable.raw /dev/null --txtrx 1600_reliable.txt --reliabletext 2>/dev/null;
                         cat 1600_reliable.txt | wc -l")
          set_tests_properties(test_freedv_reliable_text_ideal_1600 PROPERTIES PASS_REGULAR_EXPRESSION "20")

    add_test(NAME test_freedv_reliable_text_ideal_700D
       COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                      ./freedv_tx 700D ../../raw/ve9qrp.raw - --reliabletext AB1CDEF --txbpf 1 --clip 1 > 700D_reliable.raw 2>/dev/null;
                      ./freedv_rx 700D 700D_reliable.raw /dev/null --txtrx 700D_reliable.txt --reliabletext 2>/dev/null;
                      cat 700D_reliable.txt | wc -l")
       set_tests_properties(test_freedv_reliable_text_ideal_700D PROPERTIES PASS_REGULAR_EXPRESSION "21")
                          
    add_test(NAME test_freedv_reliable_text_ideal_700E
        COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                       ./freedv_tx 700E ../../raw/ve9qrp.raw - --reliabletext AB1CDEF --txbpf 1 --clip 1 > 700E_reliable.raw 2>/dev/null;
                       ./freedv_rx 700E 700E_reliable.raw /dev/null --txtrx 700E_reliable.txt --reliabletext 2>/dev/null;
                       cat 700E_reliable.txt | wc -l")
        set_tests_properties(test_freedv_reliable_text_ideal_700E PROPERTIES PASS_REGULAR_EXPRESSION "21")

   add_test(NAME test_freedv_reliable_text_awgn_1600
         COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                        ./freedv_tx 1600 ../../raw/ve9qrp.raw - --reliabletext AB1CDEF | ./ch - - --No -25 -f -5 > 1600_reliable.raw 2>/dev/null;
                        ./freedv_rx 1600 1600_reliable.raw /dev/null --txtrx 1600_reliable.txt --reliabletext 2>/dev/null;
                        if [ `cat 1600_reliable.txt | wc -l` -ge 10 ]; then echo 1; fi")
         set_tests_properties(test_freedv_reliable_text_awgn_1600 PROPERTIES PASS_REGULAR_EXPRESSION "1")

   add_test(NAME test_freedv_reliable_text_awgn_700D
      COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                     ./freedv_tx 700D ../../raw/ve9qrp.raw - --reliabletext AB1CDEF --txbpf 1 --clip 1 | ./ch - - --No -12 -f -5 > 700D_reliable.raw 2>/dev/null;
                     ./freedv_rx 700D 700D_reliable.raw /dev/null --txtrx 700D_reliable.txt --reliabletext 2>/dev/null;
                     if [ `cat 700D_reliable.txt | wc -l` -ge 10 ]; then echo 1; fi")
      set_tests_properties(test_freedv_reliable_text_awgn_700D PROPERTIES PASS_REGULAR_EXPRESSION "1")
  
   add_test(NAME test_freedv_reliable_text_awgn_700E
       COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                      ./freedv_tx 700E ../../raw/ve9qrp.raw - --reliabletext AB1CDEF --txbpf 1 --clip 1 | ./ch - - --No -15 -f -5 > 700E_reliable.raw 2>/dev/null;
                      ./freedv_rx 700E 700E_reliable.raw /dev/null --txtrx 700E_reliable.txt --reliabletext 2>/dev/null;
                      if [ `cat 700E_reliable.txt | wc -l` -ge 10 ]; then echo 1; fi")
       set_tests_properties(test_freedv_reliable_text_awgn_700E PROPERTIES PASS_REGULAR_EXPRESSION "1")
                          
  add_test(NAME test_freedv_reliable_text_fade_1600
        COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/unittest; ./reliable_text_fade.sh 1600 -28 3 0 '${CMAKE_CURRENT_BINARY_DIR}/src'")

  add_test(NAME test_freedv_reliable_text_fade_700D
        COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/unittest; ./reliable_text_fade.sh 700D -19 8 1 '${CMAKE_CURRENT_BINARY_DIR}/src'")
                                      
  add_test(NAME test_freedv_reliable_text_fade_700E
        COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/unittest; ./reliable_text_fade.sh 700E -22 8 1 '${CMAKE_CURRENT_BINARY_DIR}/src'")
                          
if(LPCNET)
    add_test(NAME test_freedv_reliable_text_ideal_2020
        COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                       ./freedv_tx 2020 ../../raw/ve9qrp.raw - --reliabletext AB1CDEF > 2020_reliable.raw 2>/dev/null;
                       ./freedv_rx 2020 2020_reliable.raw /dev/null --txtrx 2020_reliable.txt --reliabletext 2>/dev/null;
                       cat 2020_reliable.txt | wc -l")
        set_tests_properties(test_freedv_reliable_text_ideal_2020 PROPERTIES PASS_REGULAR_EXPRESSION "9")
                           
   add_test(NAME test_freedv_reliable_text_awgn_2020
         COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                        ./freedv_tx 2020 ../../raw/ve9qrp.raw - --reliabletext AB1CDEF | ./ch - - --No -22 -f -5 > 2020_reliable.raw 2>/dev/null;
                        ./freedv_rx 2020 2020_reliable.raw /dev/null --txtrx 2020_reliable.txt --reliabletext 2>/dev/null;
                        if [ `cat 2020_reliable.txt | wc -l` -ge 9 ]; then echo 1; fi")
         set_tests_properties(test_freedv_reliable_text_awgn_1600 PROPERTIES PASS_REGULAR_EXPRESSION "1")
                            
    add_test(NAME test_freedv_reliable_text_fade_2020
          COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/unittest; ./reliable_text_fade.sh 2020 -26 4 0 '${CMAKE_CURRENT_BINARY_DIR}/src'")
endif(LPCNET)
                                                     
    # -------------------------------------------------------------------------
    #                                FreeDV API memory leaks
    # -------------------------------------------------------------------------

if (NOT APPLE)
     add_test(NAME test_memory_leak_FreeDV_1600_tx
             COMMAND sh -c " valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes ./freedv_tx 1600 ${CMAKE_CURRENT_SOURCE_DIR}/raw/hts1a.raw /dev/null"
             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/src
             )
             set_tests_properties(test_memory_leak_FreeDV_1600_tx PROPERTIES PASS_REGULAR_EXPRESSION "ERROR SUMMARY: 0 errors")

     add_test(NAME test_memory_leak_FreeDV_1600_rx
             COMMAND sh -c "./freedv_tx 1600 ${CMAKE_CURRENT_SOURCE_DIR}/raw/hts1a.raw t.raw; \
                            valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes ./freedv_rx 1600 t.raw /dev/null"
             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/src
             )
             set_tests_properties(test_memory_leak_FreeDV_1600_rx PROPERTIES PASS_REGULAR_EXPRESSION "ERROR SUMMARY: 0 errors")

     add_test(NAME test_memory_leak_FreeDV_700D_tx
             COMMAND sh -c " valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes ./freedv_tx 700D ${CMAKE_CURRENT_SOURCE_DIR}/raw/hts1a.raw /dev/null"
             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/src
             )
             set_tests_properties(test_memory_leak_FreeDV_700D_tx PROPERTIES PASS_REGULAR_EXPRESSION "ERROR SUMMARY: 0 errors")

     add_test(NAME test_memory_leak_FreeDV_700D_rx
             COMMAND sh -c "./freedv_tx 700D ${CMAKE_CURRENT_SOURCE_DIR}/raw/hts1a.raw t.raw; \
                            valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes ./freedv_rx 700D t.raw /dev/null"
             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/src
             )
             set_tests_properties(test_memory_leak_FreeDV_700D_rx PROPERTIES PASS_REGULAR_EXPRESSION "ERROR SUMMARY: 0 errors")

     add_test(NAME test_memory_leak_FreeDV_700C_tx
             COMMAND sh -c " valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes ./freedv_tx 700C ${CMAKE_CURRENT_SOURCE_DIR}/raw/hts1a.raw /dev/null"
             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/src
             )
             set_tests_properties(test_memory_leak_FreeDV_700C_tx PROPERTIES PASS_REGULAR_EXPRESSION "ERROR SUMMARY: 0 errors")

     add_test(NAME test_memory_leak_FreeDV_700C_rx
             COMMAND sh -c "cd  ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./freedv_tx 700C ${CMAKE_CURRENT_SOURCE_DIR}/raw/hts1a.raw t.raw; \
                            valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes ./freedv_rx 700C t.raw /dev/null"
             )
             set_tests_properties(test_memory_leak_FreeDV_700C_rx PROPERTIES PASS_REGULAR_EXPRESSION "ERROR SUMMARY: 0 errors")

     add_test(NAME test_memory_leak_FreeDV_FSK_LDPC_tx
             COMMAND sh -c "cd  ${CMAKE_CURRENT_BINARY_DIR}/src;
                            valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes \
                            ./freedv_data_raw_tx --testframes 10 FSK_LDPC /dev/zero /dev/null")
             set_tests_properties(test_memory_leak_FreeDV_FSK_LDPC_tx PROPERTIES PASS_REGULAR_EXPRESSION "ERROR SUMMARY: 0 errors")

     add_test(NAME test_memory_leak_FreeDV_DATAC0_tx
             COMMAND sh -c "cd  ${CMAKE_CURRENT_BINARY_DIR}/src;
                            valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes \
                            ./freedv_data_raw_tx --testframes 10 DATAC0 /dev/zero /dev/null")
             set_tests_properties(test_memory_leak_FreeDV_DATAC0_tx PROPERTIES PASS_REGULAR_EXPRESSION "ERROR SUMMARY: 0 errors")

     add_test(NAME test_memory_leak_FreeDV_DATAC1_tx
             COMMAND sh -c "cd  ${CMAKE_CURRENT_BINARY_DIR}/src;
                            valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes \
                            ./freedv_data_raw_tx --testframes 10 DATAC1 /dev/zero /dev/null")
             set_tests_properties(test_memory_leak_FreeDV_DATAC1_tx PROPERTIES PASS_REGULAR_EXPRESSION "ERROR SUMMARY: 0 errors")

     add_test(NAME test_memory_leak_FreeDV_DATAC3_tx
             COMMAND sh -c "cd  ${CMAKE_CURRENT_BINARY_DIR}/src;
                            valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes \
                            ./freedv_data_raw_tx --testframes 10 DATAC3 /dev/zero /dev/null")
             set_tests_properties(test_memory_leak_FreeDV_DATAC3_tx PROPERTIES PASS_REGULAR_EXPRESSION "ERROR SUMMARY: 0 errors")

     add_test(NAME test_memory_leak_FreeDV_DATAC4_tx
             COMMAND sh -c "cd  ${CMAKE_CURRENT_BINARY_DIR}/src;
                            valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes \
                            ./freedv_data_raw_tx --testframes 10 DATAC4 /dev/zero /dev/null")
             set_tests_properties(test_memory_leak_FreeDV_DATAC4_tx PROPERTIES PASS_REGULAR_EXPRESSION "ERROR SUMMARY: 0 errors")

     add_test(NAME test_memory_leak_FreeDV_DATAC13_tx
             COMMAND sh -c "cd  ${CMAKE_CURRENT_BINARY_DIR}/src;
                            valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes \
                            ./freedv_data_raw_tx --testframes 10 DATAC13 /dev/zero /dev/null")
             set_tests_properties(test_memory_leak_FreeDV_DATAC13_tx PROPERTIES PASS_REGULAR_EXPRESSION "ERROR SUMMARY: 0 errors")

     add_test(NAME test_memory_leak_FreeDV_700E_tx
             COMMAND sh -c "cd  ${CMAKE_CURRENT_BINARY_DIR}/src;
                            valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes \
                            ./freedv_tx --testframes 10 700E /dev/zero /dev/null")
             set_tests_properties(test_memory_leak_FreeDV_700E_tx PROPERTIES PASS_REGULAR_EXPRESSION "ERROR SUMMARY: 0 errors")

if(LPCNET)
     add_test(NAME test_memory_leak_FreeDV_2020_tx
             COMMAND sh -c "cd  ${CMAKE_CURRENT_BINARY_DIR}/src;
                            valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes \
                            ./freedv_tx 2020 ../../wav/wia_16kHz.wav /dev/null"
             )
             set_tests_properties(test_memory_leak_FreeDV_2020_tx PROPERTIES PASS_REGULAR_EXPRESSION "ERROR SUMMARY: 0 errors")

     add_test(NAME test_memory_leak_FreeDV_2020_rx
             COMMAND sh -c "cd  ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./freedv_tx 2020 ../../wav/wia_16kHz.wav t.raw; \
                            valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes \
                            ./freedv_rx 2020 t.raw /dev/null"
             )
             set_tests_properties(test_memory_leak_FreeDV_2020_rx PROPERTIES PASS_REGULAR_EXPRESSION "ERROR SUMMARY: 0 errors")

     add_test(NAME test_memory_leak_FreeDV_2020B_tx
             COMMAND sh -c "cd  ${CMAKE_CURRENT_BINARY_DIR}/src;
                            valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes \
                            ./freedv_tx 2020B ../../wav/wia_16kHz.wav /dev/null"
             )
             set_tests_properties(test_memory_leak_FreeDV_2020B_tx PROPERTIES PASS_REGULAR_EXPRESSION "ERROR SUMMARY: 0 errors")

     add_test(NAME test_memory_leak_FreeDV_2020B_rx
             COMMAND sh -c "cd  ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./freedv_tx 2020B ../../wav/wia_16kHz.wav t.raw; \
                            valgrind --leak-check=full --show-leak-kinds=all --track-origins=yes \
                            ./freedv_rx 2020B t.raw /dev/null"
             )
             set_tests_properties(test_memory_leak_FreeDV_2020B_rx PROPERTIES PASS_REGULAR_EXPRESSION "ERROR SUMMARY: 0 errors")
endif(LPCNET)
endif(NOT APPLE)

    # -------------------------------------------------------------------------
    #                                Codec 2 modes
    # -------------------------------------------------------------------------

     add_test(NAME test_codec2_mode_dot_c2
             COMMAND sh -c "./c2enc 700C ${CMAKE_CURRENT_SOURCE_DIR}/raw/hts1a.raw hts1a.c2 && ./c2dec 1600 hts1a.c2 /dev/null"
             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/src
             )
             set_tests_properties(test_codec2_mode_dot_c2 PROPERTIES PASS_REGULAR_EXPRESSION "mode 8")

     add_test(NAME test_codec2_mode_3200
             COMMAND sh -c "./c2enc 3200 ${CMAKE_CURRENT_SOURCE_DIR}/raw/hts1a.raw - | ./c2dec 3200 - - | sox -t .s16 -r 8000 - hts1a_3200.wav"
             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/src
             )
     add_test(NAME test_codec2_mode_2400
             COMMAND sh -c "./c2enc 2400 ${CMAKE_CURRENT_SOURCE_DIR}/raw/hts1a.raw - | ./c2dec 2400 - - | sox -t .s16 -r 8000 - hts1a_2400.wav"
             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/src
             )
     add_test(NAME test_codec2_mode_1400
             COMMAND sh -c "./c2enc 1400 ${CMAKE_CURRENT_SOURCE_DIR}/raw/hts1a.raw - | ./c2dec 1400 - - | sox -t .s16 -r 8000 - hts1a_1400.wav"
             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/src
             )
     add_test(NAME test_codec2_mode_1300
             COMMAND sh -c "./c2enc 1300 ${CMAKE_CURRENT_SOURCE_DIR}/raw/hts1a.raw - | ./c2dec 1300 - - | sox -t .s16 -r 8000 - hts1a_1300.wav"
             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/src
             )
     add_test(NAME test_codec2_mode_1200
             COMMAND sh -c "./c2enc 1200 ${CMAKE_CURRENT_SOURCE_DIR}/raw/hts1a.raw - | ./c2dec 1200 - - | sox -t .s16 -r 8000 - hts1a_1200.wav"
             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/src
             )
     add_test(NAME test_codec2_mode_700C
             COMMAND sh -c "./c2enc 700C ${CMAKE_CURRENT_SOURCE_DIR}/raw/hts1a.raw - | ./c2dec 700C - - | sox -t .s16 -r 8000 - hts1a_700C.wav"
             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/src
             )

     add_test(NAME test_vq_mbest
             COMMAND sh -c "./tvq_mbest; \
                            cat target.f32 | \
                            ./vq_mbest -k 4 -q vq1.f32,vq2.f32 --st 1 --en 2 --mbest 2 -v > /dev/null;"
             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/unittest
             )
             set_tests_properties(test_vq_mbest PROPERTIES PASS_REGULAR_EXPRESSION "MSE: 0.00")

     add_test(NAME test_700c_eq
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/unittest;
                            PATH=$PATH:${CMAKE_CURRENT_BINARY_DIR}/src ./test_700c_eq.sh")

     # -------------------------------------------------------------------------
     #                                FSK Modem
     # -------------------------------------------------------------------------

     # Octave FSK Modem, to make sure we don't break reference simulation
     add_test(NAME test_fsk_lib
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave; DISPLAY=\"\" octave-cli -qf fsk_lib_demo.m")
             set_tests_properties(test_fsk_lib PROPERTIES PASS_REGULAR_EXPRESSION "PASS")

     add_test(NAME test_fsk_modem_octave_port
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave;
                            PATH_TO_TFSK=${CMAKE_CURRENT_BINARY_DIR}/unittest/tfsk octave-cli -qf tfsk.m")
             set_tests_properties(test_fsk_modem_octave_port PROPERTIES PASS_REGULAR_EXPRESSION "PASS")

     add_test(NAME test_fsk_modem_mod_demod
             COMMAND sh -c "$<TARGET_FILE:fsk_get_test_bits> - 10000 |
                            $<TARGET_FILE:fsk_mod> 2 8000 100 1200 100 - - |
                            $<TARGET_FILE:fsk_demod> -l 2 8000 100 - - |
                            $<TARGET_FILE:fsk_put_test_bits> -p 99 -q -"
             )

     # 2FSK modem at Eb/No = 9dB, SNR = Eb/No+10log10(Rb/B) = 9 + 10*log10(100/3000) = -5.7dB
     # Ideal BER = 0.0094, set thresh 50% higher
     add_test(NAME test_fsk_2fsk_ber
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./fsk_get_test_bits - 10000 | ./fsk_mod 2 8000 100 1000 100 - - |
                            ./ch - - --No -26 |
                            ./fsk_demod 2 8000 100 - - | ./fsk_put_test_bits -b 0.015 -q - ")
     # 4FSK modem at Eb/No = 6dB, SNR = Eb/No+10log10(Rb/B) = 6 + 10*log10(2*100/3000) = -5.7dB
     # Ideal BER = 0.016, set thresh 50% higher
     add_test(NAME test_fsk_4fsk_ber
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./fsk_get_test_bits - 10000 | ./fsk_mod 4 8000 100 1000 100 - - |
                            ./ch - - --No -26 |
                            ./fsk_demod 4 8000 100 - - | ./fsk_put_test_bits -b 0.025 - ")
     # shift FSK signal to -ve frequencies
     add_test(NAME test_fsk_4fsk_ber_negative_freq
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./fsk_get_test_bits - 10000 | ./fsk_mod 4 8000 100 1000 200 - - |
                            ./ch - - --No -26  --ssbfilt 0 --complexout -f -3000 |
                            ./fsk_demod -c -p 8 4 8000 100 - - |
                            ./fsk_put_test_bits -b 0.025 -q - ")
     # Low SNR 4FSK uncoded PER/BER test:
     # 4FSK modem at Eb/No = 2dB, SNR = Eb/No+10log10(Rb/B) = 6 + 10*log10(2*100/3000) = -15.7dB
     # Theoretical BER is 0.14.
     # Pass condition is 10% PER
     add_test(NAME test_fsk_4fsk_lockdown
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            bits=512; tx_packets=20; rx_packets=18; tx_tone_sep=50; Rs=25;
                            ./fsk_get_test_bits - $(($bits*$tx_packets)) $bits |
                            ./fsk_mod 4 8000 $Rs 1000 $tx_tone_sep - - |
                            ./ch - - --No -16 --ssbfilt 0 -f -3000 --complexout |
                            ./fsk_demod -c -p 8 --mask $tx_tone_sep -t1 --nsym 100 4 8000 $Rs - - 2>stats.txt |
                            ./fsk_put_test_bits -t 0.25 -b 0.20 -p $rx_packets -f $bits -q -")

     # Octave 4FSK LLR reference simulation - make sure this keeps working
     add_test(NAME test_fsk_lib_4fsk_ldpc
             COMMAND sh -c "cd ${CMAKE_CURRENT_SOURCE_DIR}/octave; DISPLAY=\"\" octave-cli -qf fsk_lib_ldpc_demo.m")
             set_tests_properties(test_fsk_lib_4fsk_ldpc PROPERTIES PASS_REGULAR_EXPRESSION "PASS")

     # Command line Unique Word (UW) framer in hard decision mode
     add_test(NAME test_fsk_framer
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./fsk_get_test_bits - 300 |
                            ./framer - - 100 51 |
                            ./deframer - - 100 51 --hard |
                            ./fsk_put_test_bits -")
             set_tests_properties(test_fsk_framer PROPERTIES PASS_REGULAR_EXPRESSION "PASS")

     # Command line Unique Word (UW) framer with LLRs and LDPC (no noise)
     add_test(NAME test_fsk_framer_ldpc
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ldpc_enc /dev/zero - --code HRA_112_112 --testframes 10 | ./framer - - 224 51 |
                            ./tollr | ./deframer - - 224 51 | ./ldpc_dec - /dev/null --code HRA_112_112 --testframes")

     # mFSK soft decision rx_filter to LLR mapping
     add_test(NAME test_fsk_llr
             COMMAND sh -c "${CMAKE_CURRENT_BINARY_DIR}/unittest/tfsk_llr")

     # 4FSK LDPC modem with framer at Rs=100 (uncoded Rb=200), rate 0.8 code
     # SNR = Eb/No + 10*log10(Rb/B) = 5 + 10*log10(200/3000) = -6.7dB
     # Coded Ebc/No = Eb/No - 10*log1010(0.8) = 5 - 10*log10(0.8) = 6.0dB
     # (calculation ignores small UW overhead).  See also test_freedv_fsk_ldpc below
     # which is the same thing bundled up into a FreeDV "mode"
     add_test(NAME test_fsk_4fsk_ldpc
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./ldpc_enc /dev/zero - --code HRAb_396_504 --testframes 200 |
                            ./framer - - 504 5186 |
                            ./fsk_mod 4 8000 100 1000 100 - - |
                            ./ch - - --No -25 |
                            ./fsk_demod -s 4 8000 100 - - |
                            ./deframer - - 504 5186  |
                            ./ldpc_dec - /dev/null --code HRAb_396_504 --testframes")

     # 800XA framer test
     add_test(NAME test_fsk_vhf_framer
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./c2enc 700C ../../raw/ve9qrp_10s.raw - |
                            ./vhf_frame_c2 B - - |
                            ./fsk_mod -p 10 4 8000 400 400 400 - - |
                            ./fsk_demod -p 10 4 8000 400 - - |
                            ./vhf_deframe_c2 B - /dev/null")
             set_tests_properties(test_fsk_vhf_framer PROPERTIES PASS_REGULAR_EXPRESSION "total_uw_err: 0")

     # VHF Ethernet-style packet system
     add_test(NAME test_freedv_data_channel
             COMMAND sh -c "./tfreedv_data_channel"
             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/unittest
             )

     # ---------------------------------------------------------
     # FreeDV API raw data
     # ---------------------------------------------------------

     # Burst mode with test frames: 3 bursts, each burst is two frames long
     add_test(NAME test_freedv_data_raw_ofdm_datac0_burst
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./freedv_data_raw_tx --framesperburst 2 --bursts 3 --testframes 6 DATAC0 /dev/zero - |
                            ./freedv_data_raw_rx --framesperburst 2 --testframes DATAC0 - /dev/null --vv")
             set_tests_properties(test_freedv_data_raw_ofdm_datac0_burst PROPERTIES PASS_REGULAR_EXPRESSION "Coded FER: 0.0000 Tfrms:     6 Tfers:     0")

     # Burst mode with data file I/O:
     add_test(NAME test_freedv_data_raw_ofdm_datac0_burst_file
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            head -c $((14*10)) </dev/urandom > binaryIn.bin;
                            ./freedv_data_raw_tx DATAC0 binaryIn.bin - --bursts 10 |
                            ./freedv_data_raw_rx DATAC0 - binaryOut.bin  -v;
                            diff binaryIn.bin binaryOut.bin")

     add_test(NAME test_freedv_data_raw_ofdm_datac1_burst_file
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            head -c $((510*10)) </dev/urandom > binaryIn.bin;
                            ./freedv_data_raw_tx DATAC1 binaryIn.bin - --bursts 10 |
                            ./freedv_data_raw_rx DATAC1 - binaryOut.bin -v;
                            diff binaryIn.bin binaryOut.bin")

     add_test(NAME test_freedv_data_raw_ofdm_datac3_burst_file
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            head -c $((126*10)) </dev/urandom > binaryIn.bin;
                            ./freedv_data_raw_tx DATAC3 binaryIn.bin - --bursts 10 |
                            ./freedv_data_raw_rx DATAC3 - binaryOut.bin -v;
                            diff binaryIn.bin binaryOut.bin")

     add_test(NAME test_freedv_data_raw_ofdm_datac4_burst_file
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            head -c $((54*10)) </dev/urandom > binaryIn.bin;
                            ./freedv_data_raw_tx DATAC4 binaryIn.bin - --bursts 10 |
                            ./freedv_data_raw_rx DATAC4 - binaryOut.bin -v;
                            diff binaryIn.bin binaryOut.bin")

     add_test(NAME test_freedv_data_raw_ofdm_datac13_burst_file
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            head -c $((14*10)) </dev/urandom > binaryIn.bin;
                            ./freedv_data_raw_tx DATAC13 binaryIn.bin - --bursts 10 |
                            ./freedv_data_raw_rx DATAC13 - binaryOut.bin -v;
                            diff binaryIn.bin binaryOut.bin")

     # FSK LDPC default 100 bit/s 2FSK, enough noise for several % raw BER to give
     # FEC/acquisition a work out, bursts of 1 frame as that stresses acquisition
     add_test(NAME test_freedv_data_raw_fsk_ldpc_100
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./freedv_data_raw_tx --testframes 10 --bursts 10 FSK_LDPC /dev/zero - |
                            ./ch - - --No -5 --ssbfilt 0 |
                            ./freedv_data_raw_rx --testframes -v FSK_LDPC - /dev/null")
             set_tests_properties(test_freedv_data_raw_fsk_ldpc_100 PROPERTIES PASS_REGULAR_EXPRESSION "Frms.:    ( 9|10)")

     # FSK LDPC 1000 bit/s 2FSK, Fs=40kHz, as different configs can upset acquisition
     add_test(NAME test_freedv_data_raw_fsk_ldpc_1k
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./freedv_data_raw_tx --Fs 40000 --Rs 1000 --tone1 1000 --shift 1000 --testframes 10 --bursts 10 FSK_LDPC /dev/zero - |
                            ./ch - - --No -10 --ssbfilt 0 |
                            ./freedv_data_raw_rx --testframes -v --Fs 40000 --Rs 1000 FSK_LDPC - /dev/null")
             set_tests_properties(test_freedv_data_raw_fsk_ldpc_1k PROPERTIES PASS_REGULAR_EXPRESSION "Frms.:    10")

     # FSK LDPC 10000 bit/s 2FSK, Fs=100kHz, each of the 10 bursts has 100 frames
     add_test(NAME test_freedv_data_raw_fsk_ldpc_10k
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./freedv_data_raw_tx --Fs 100000 --Rs 10000 --tone1 10000 --shift 10000 --framesperburst 100 --bursts 10 --testframes 1000 FSK_LDPC /dev/zero - |
                            ./ch - - --No -16 --ssbfilt 0 |
                            ./freedv_data_raw_rx --testframes -v --Fs 100000 --Rs 10000 FSK_LDPC - /dev/null")
             set_tests_properties(test_freedv_data_raw_fsk_ldpc_10k PROPERTIES PASS_REGULAR_EXPRESSION "Frms.:  1000")

     # FSK LDPC Rs=1000 bit/s (Rb=2000) 4FSK, Fs=40kHz, this needs --mask and 2Rs shift to work reliably
     add_test(NAME test_freedv_data_raw_fsk_ldpc_2k
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR}/src;
                            ./freedv_data_raw_tx -a 8192 -m 4 --Fs 40000 --Rs 1000 --tone1 10000 --shift 2000 --testframes 10 --bursts 10 FSK_LDPC /dev/zero - |
                             ./ch - - --No -22 --ssbfilt 0 |
                             ./freedv_data_raw_rx -m 4 --testframes -v --Fs 40000 --Rs 1000 FSK_LDPC --mask 2000 - /dev/null")
             set_tests_properties(test_freedv_data_raw_fsk_ldpc_2k PROPERTIES PASS_REGULAR_EXPRESSION "Frms.:    10")

     # ---------------------------------------------------------
     # tests for demos
     # ---------------------------------------------------------

     add_test(NAME test_demo_c2demo
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR};
                             ./demo/c2demo ../raw/hts1a.raw hts1a_out.raw;
                             ls -l hts1a_out.raw")
             set_tests_properties(test_demo_c2demo PROPERTIES PASS_REGULAR_EXPRESSION "48000")

      add_test(NAME test_demo_700d
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR};
                              cat ../raw/ve9qrp_10s.raw | ./demo/freedv_700d_tx |
                              ./demo/freedv_700d_rx > ve9qrp_10s_700d.raw;
                              ls -l ve9qrp_10s_700d.raw")
             set_tests_properties(test_demo_700d PROPERTIES PASS_REGULAR_EXPRESSION "158720")
 
      add_test(NAME test_demo_700d_python
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR};
                              cat ../raw/ve9qrp_10s.raw | ./demo/freedv_700d_tx |
                              ../demo/freedv_700d_rx.py > ve9qrp_10s_700d.raw;
                              ls -l ve9qrp_10s_700d.raw")
             set_tests_properties(test_demo_700d_python PROPERTIES PASS_REGULAR_EXPRESSION "161280")
 
      add_test(NAME test_demo_datac1
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR};
                            head -c $((510*10)) </dev/urandom > binaryIn.bin;
                            cat binaryIn.bin | ./demo/freedv_datac1_tx | 
                            ./demo/freedv_datac1_rx > binaryOut.bin;
                            diff binaryIn.bin binaryOut.bin")

      # test Rx of two modes in parallel, with AWGN noise and sample clock offsets
      add_test(NAME test_demo_datac0c1
             COMMAND sh -c "cd ${CMAKE_CURRENT_BINARY_DIR};
                            ./demo/freedv_datac0c1_tx | 
                            ./src/ch - - --No -24 -f 20 | 
                            sox -t .s16 -c 1 -r 8000 - -t .s16 -c 1 -r 8008 - | 
                            ./demo/freedv_datac0c1_rx")
           set_tests_properties(test_demo_datac0c1 PROPERTIES PASS_REGULAR_EXPRESSION "DATAC0 Frames: 10 DATAC1 Frames: 10")

    # Set common properties for tests that need Octave/CML
    set_tests_properties(
        test_CML_ldpcut
        test_CML_ldpcut_one_stuffing
        test_OFDM_modem_octave_port
        test_OFDM_modem_octave_port_Nc_31
        test_OFDM_modem_octave_datac0_mpp_coded
        test_OFDM_modem_datac0_octave_burst
        test_OFDM_modem_datac1_octave
        test_OFDM_modem_datac3_octave
        test_OFDM_modem_datac4_octave
        test_OFDM_modem_datac13_octave
        test_fsk_lib_4fsk_ldpc
        test_OFDM_modem_datac0_compression
        PROPERTIES
        ENVIRONMENT "CML_PATH=${CMAKE_CURRENT_BINARY_DIR}/cml"
    )
endif(UNITTEST)
