function(regression_test testname)
    if(${ARGC} LESS 4)
        set(source ${testname}.asm)
    else()
        set(source ${ARGV3})
    endif()

    add_executable(${testname} ${source} test_renderer.c)

    # the tests include the entire ASM but we still want to rebuild when they change
    file(GLOB SOINTU ${PROJECT_SOURCE_DIR}/src/*.inc
                     ${PROJECT_SOURCE_DIR}/src/*.asm
                     ${PROJECT_SOURCE_DIR}/src/opcodes/*.asm
                     ${PROJECT_SOURCE_DIR}/src/opcodes/*.inc
                     ${PROJECT_SOURCE_DIR}/src/win32/*.asm
                     ${PROJECT_SOURCE_DIR}/src/win32/*.inc
                     ${PROJECT_SOURCE_DIR}/src/win64/*.asm
                     ${PROJECT_SOURCE_DIR}/src/win64/*.inc)
    set_source_files_properties(${source}.asm PROPERTIES OBJECT_DEPENDS "${SOINTU}")
    set_source_files_properties(${FOURKLANG} PROPERTIES HEADER_FILE_ONLY TRUE)

    add_test(${testname} ${testname})
    target_compile_definitions(${testname} PUBLIC TEST_NAME="${testname}" SU_USE_INTROSPECTION SU_USE_PLAYER)
    target_link_libraries(${testname} ${HEADERLIB})

    set (rawinput ${CMAKE_CURRENT_SOURCE_DIR}/expected_output/${testname}.raw)
    set (rawoutput ${CMAKE_CURRENT_BINARY_DIR}/expected_output/${testname}.raw)

    add_custom_target(${testname}_rawcopy
        COMMAND ${CMAKE_COMMAND} -E copy_if_different ${rawinput} ${rawoutput}
    )

    add_dependencies(${testname} ${testname}_rawcopy)

    if(ARGC GREATER 1)
        if (ARGV1)
            message("${testname} requires ${ARGV1}")
            set_tests_properties(${testname} PROPERTIES FIXTURES_REQUIRED "${ARGV1}")
        endif()
    endif()

    if(ARGC GREATER 2)
        if (ARGV2)
            message("${testname} setups ${ARGV2}")
            set_tests_properties(${testname} PROPERTIES FIXTURES_SETUP "${ARGV2}")
        endif()
    endif()
endfunction(regression_test)

regression_test(test_envelope "" ENVELOPE)
regression_test(test_envelope_stereo ENVELOPE)
regression_test(test_loadval "" LOADVAL)
regression_test(test_loadval_stereo LOADVAL LOADVAL_STEREO)
regression_test(test_gain LOADVAL GAIN)
regression_test(test_gain_stereo GAIN)
regression_test(test_invgain LOADVAL INVGAIN)
regression_test(test_invgain_stereo INVGAIN)
regression_test(test_send LOADVAL SEND)
regression_test(test_send_stereo SEND)
regression_test(test_send_global SEND)
regression_test(test_receive SEND RECEIVE)
regression_test(test_receive_stereo RECEIVE)
regression_test(test_in LOADVAL IN)
regression_test(test_in_stereo IN)
regression_test(test_outaux IN OUTAUX)
regression_test(test_outaux_stereo OUTAUX)
regression_test(test_aux LOADVAL AUX)
regression_test(test_aux_stereo AUX)
regression_test(test_panning ENVELOPE PANNING)
regression_test(test_panning_stereo PANNING)
regression_test(test_multiple_instruments ENVELOPE)
regression_test(test_pop LOADVAL POP)
regression_test(test_pop_stereo POP)
regression_test(test_addp LOADVAL)
regression_test(test_addp_stereo LOADVAL)
regression_test(test_mulp LOADVAL FOP_MULP)
regression_test(test_mulp_stereo LOADVAL FOP_MULP2)
regression_test(test_push "LOADVAL;POP" FOP_PUSH)
regression_test(test_push_stereo PUSH)
regression_test(test_xch LOADVAL)
regression_test(test_xch_stereo LOADVAL)
regression_test(test_add LOADVAL)
regression_test(test_add_stereo LOADVAL)
regression_test(test_mul LOADVAL)
regression_test(test_mul_stereo LOADVAL)
regression_test(test_loadnote)
regression_test(test_loadnote_stereo)
regression_test(test_noise ENVELOPE NOISE)
regression_test(test_noise_stereo NOISE)
regression_test(test_oscillat_sine ENVELOPE VCO_SINE)
regression_test(test_oscillat_trisaw ENVELOPE)
regression_test(test_oscillat_pulse ENVELOPE VCO_PULSE)
regression_test(test_oscillat_gate ENVELOPE)
regression_test(test_oscillat_stereo ENVELOPE)
if(WIN32) # The samples are currently only GMDLs based, and thus require Windows.
    regression_test(test_oscillat_sample ENVELOPE)
    target_compile_definitions(test_oscillat_sample PUBLIC INCLUDE_GMDLS)
    regression_test(test_oscillat_sample_stereo ENVELOPE)
    target_compile_definitions(test_oscillat_sample_stereo PUBLIC INCLUDE_GMDLS)
    regression_test(test_oscillat_sample_rtables ENVELOPE "" test_oscillat_sample.asm)
    target_compile_definitions(test_oscillat_sample_rtables PUBLIC INCLUDE_GMDLS RUNTIME_TABLES)
    regression_test(test_oscillat_sample_stereo_rtables ENVELOPE "" test_oscillat_sample_stereo.asm)
    target_compile_definitions(test_oscillat_sample_stereo_rtables PUBLIC INCLUDE_GMDLS RUNTIME_TABLES)
endif()
regression_test(test_oscillat_unison ENVELOPE)
regression_test(test_oscillat_unison_stereo ENVELOPE)
regression_test(test_oscillat_lfo "ENVELOPE;VCO_SINE;VCO_PULSE;FOP_MULP2")
regression_test(test_oscillat_transposemod "VCO_SINE;ENVELOPE;FOP_MULP;FOP_PUSH;SEND")
regression_test(test_oscillat_detunemod "VCO_SINE;ENVELOPE;FOP_MULP;FOP_PUSH;SEND")
regression_test(test_oscillat_phasemod "VCO_SINE;ENVELOPE;FOP_MULP;FOP_PUSH;SEND")
regression_test(test_oscillat_colormod "VCO_SINE;ENVELOPE;FOP_MULP;FOP_PUSH;SEND")
regression_test(test_oscillat_shapemod "VCO_SINE;ENVELOPE;FOP_MULP;FOP_PUSH;SEND")
regression_test(test_oscillat_gainmod "VCO_SINE;ENVELOPE;FOP_MULP;FOP_PUSH;SEND")

regression_test(test_distort ENVELOPE)
regression_test(test_distort_mod "VCO_SINE;ENVELOPE;SEND")
regression_test(test_distort_stereo ENVELOPE)

regression_test(test_hold ENVELOPE HOLD)
regression_test(test_hold_mod "VCO_SINE;ENVELOPE;SEND")
regression_test(test_hold_stereo HOLD)

regression_test(test_clip "VCO_SINE;ENVELOPE;FOP_MULP;INVGAIN" CLIP)
regression_test(test_clip_stereo CLIP)

regression_test(test_crush "VCO_SINE;ENVELOPE;FOP_MULP;INVGAIN" CRUSH)
regression_test(test_crush_stereo CRUSH)

regression_test(test_compressor "" COMPRESSOR)
regression_test(test_compressor_stereo COMPRESSOR)

regression_test(test_filter_band "VCO_SINE;ENVELOPE;FOP_MULP")
regression_test(test_filter_low "VCO_SINE;ENVELOPE;FOP_MULP")
regression_test(test_filter_high "VCO_SINE;ENVELOPE;FOP_MULP")
regression_test(test_filter_peak "VCO_SINE;ENVELOPE;FOP_MULP")
regression_test(test_filter_stereo "VCO_SINE;ENVELOPE;FOP_MULP")
regression_test(test_filter_freqmod "VCO_SINE;ENVELOPE;FOP_MULP;SEND")
regression_test(test_filter_resmod "VCO_SINE;ENVELOPE;FOP_MULP;SEND")

regression_test(test_delay "ENVELOPE;FOP_MULP;PANNING;VCO_SINE")
regression_test(test_delay_stereo "ENVELOPE;FOP_MULP;PANNING;VCO_SINE")
regression_test(test_delay_notetracking "ENVELOPE;FOP_MULP;PANNING;NOISE")
regression_test(test_delay_reverb "ENVELOPE;FOP_MULP;PANNING;VCO_SINE")
regression_test(test_delay_feedbackmod "ENVELOPE;FOP_MULP;PANNING;VCO_SINE;SEND")
regression_test(test_delay_pregainmod "ENVELOPE;FOP_MULP;PANNING;VCO_SINE;SEND")
regression_test(test_delay_dampmod "ENVELOPE;FOP_MULP;PANNING;VCO_SINE;SEND")
regression_test(test_delay_drymod "ENVELOPE;FOP_MULP;PANNING;VCO_SINE;SEND")
regression_test(test_delay_flanger "ENVELOPE;FOP_MULP;PANNING;VCO_SINE;SEND")

regression_test(test_delay_rtables "ENVELOPE;FOP_MULP;PANNING;VCO_SINE" "" test_delay.asm)
target_compile_definitions(test_delay_rtables PUBLIC RUNTIME_TABLES)
regression_test(test_delay_stereo_rtables "ENVELOPE;FOP_MULP;PANNING;VCO_SINE" "" test_delay_stereo.asm)
target_compile_definitions(test_delay_stereo_rtables PUBLIC RUNTIME_TABLES)

regression_test(test_envelope_mod "VCO_SINE;ENVELOPE;SEND")
regression_test(test_envelope_16bit ENVELOPE "" test_envelope.asm)
target_compile_definitions(test_envelope_16bit PUBLIC SU_USE_16BIT_OUTPUT)

regression_test(test_polyphony "ENVELOPE;VCO_SINE")
regression_test(test_chords "ENVELOPE;VCO_SINE")
regression_test(test_speed "ENVELOPE;VCO_SINE")

regression_test(test_render_samples ENVELOPE "" test_render_samples.c)
target_link_libraries(test_render_samples ${STATICLIB})

add_executable(test_render_samples_api test_render_samples_api.c)
target_link_libraries(test_render_samples_api ${STATICLIB})
add_test(test_render_samples_api test_render_samples_api)