Function TEST

tests/tests.cpp:37–79

#define TEST(name) static void name()

TEST(testMidiOutput) {
    static float audioBuffer[64];

    Synthesizer *synth = new Synthesizer();
    synth->setSampleRate(44100);
    
    std::vector<amsynth_midi_event_t> midiIn;
    std::vector<amsynth_midi_cc_t> midiOut;
    
    synth->process(32, midiIn, midiOut, &audioBuffer[0], &audioBuffer[32]);
    
    Param param = kAmsynthParameter_ReverbWet;

    unsigned char cc = 2;
    synth->getMidiController()->setControllerForParameter(param, cc);
    
    for (unsigned char value = 0; value <= 127; value++) {
        unsigned char midi[4] = { MIDI_STATUS_CONTROLLER, cc, value };
        amsynth_midi_event_t event;
        event.length = 3;
        event.offset_frames = 0;
        event.buffer = midi;
        midiIn.clear();
        midiIn.push_back(event);
        
        midiOut.clear();
        synth->process(32, midiIn, midiOut, &audioBuffer[0], &audioBuffer[32]);

        int outputValue = (int)roundf(synth->getNormalizedParameterValue(param) * 127.0f);
        assert(outputValue == value || 0 == "parameter value should be changed when a cc is processed");

        assert(midiOut.empty() || 0 == "no midi output should be generated when a cc is processed");
    }
    
    midiIn.clear();
    midiOut.clear();
    synth->setNormalizedParameterValue(param, 0);
    synth->process(32, midiIn, midiOut, &audioBuffer[0], &audioBuffer[32]);
    assert(midiOut.size() == 1 || 0 == "midi output should be generated when a parameter is changed");
    assert(midiOut[0].value == 0 || 0 == "midi output value is incorrect");

    delete synth;
}

TEST(testMidiOutput_OnOff) {
    Synthesizer *synth = new Synthesizer();