src/tests/test_synth.cc


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// This file is part of the 64k demo project.
// It tests the core functionality of the audio synthesis engine.
// Verifies voice triggering, registration, and rendering state.

#include "audio/synth.h"
#include <assert.h>
#include <stdio.h>

void test_registration() {
  synth_init();
  float data[DCT_SIZE * 2] = {0};
  Spectrogram spec = {data, data, 2};

  int id = synth_register_spectrogram(&spec);
  assert(id >= 0);
  assert(synth_get_active_voice_count() == 0);
}

void test_trigger() {
  synth_init();
  float data[DCT_SIZE * 2] = {0};
  Spectrogram spec = {data, data, 2};
  int id = synth_register_spectrogram(&spec);

  synth_trigger_voice(id, 1.0f, 0.0f);
  assert(synth_get_active_voice_count() == 1);
}

int main() {
  printf("Running SynthEngine tests...\n");
  test_registration();
  test_trigger();
  printf("SynthEngine tests PASSED\n");
  return 0;
}