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// This file is part of the 64k demo project.
// It tests the core functionality of the audio tracker engine.
#include "audio/audio_engine.h"
#include "audio/gen.h"
#include "audio/synth.h"
#include "audio/tracker.h"
// #include "generated/music_data.h" // Will be generated by tracker_compiler
#include <assert.h>
#include <stdio.h>
// Forward declaration for generated data
extern const NoteParams g_tracker_samples[];
extern const uint32_t g_tracker_samples_count;
extern const TrackerPattern g_tracker_patterns[];
extern const uint32_t g_tracker_patterns_count;
extern const TrackerScore g_tracker_score;
void test_tracker_init() {
AudioEngine engine;
engine.init();
printf("Tracker init test PASSED\n");
engine.shutdown();
}
void test_tracker_pattern_triggering() {
AudioEngine engine;
engine.init();
// At time 0.0f, 3 patterns are triggered:
// - crash (1 event at beat 0.0)
// - kick_basic (events at beat 0.0, 2.0, 2.5)
// - hihat_basic (events at beat 0.0, 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5)
// With event-based triggering, only events at beat 0.0 trigger immediately.
// Test 1: At music_time = 0.0f, events at beat 0.0 trigger
// drums_basic:
// 0.00, ASSET_KICK_1
// 0.00, NOTE_A4
engine.update(0.0f);
// Expect 2 voices: kick + note
assert(engine.get_active_voice_count() == 2);
// Test 2: At music_time = 0.25f (beat 0.5 @ 120 BPM), snare event triggers
// 0.25, ASSET_SNARE_1
engine.update(0.25f);
// Expect at least 2 voices (snare + maybe others)
// Exact count depends on sample duration (kick/note might have finished)
int voices = engine.get_active_voice_count();
assert(voices >= 2);
// Test 3: At music_time = 0.5f (beat 1.0), kick event triggers
// 0.50, ASSET_KICK_1
engine.update(0.5f);
// Expect at least 3 voices (new kick + others)
assert(engine.get_active_voice_count() >= 3);
// Test 4: Advance to 2.0f - new patterns trigger at time 2.0f
engine.update(2.0f);
// Many events have triggered by now
assert(engine.get_active_voice_count() > 5);
printf("Tracker pattern triggering test PASSED\n");
engine.shutdown();
}
int main() {
printf("Running Tracker tests...\n");
test_tracker_init();
test_tracker_pattern_triggering();
printf("Tracker tests PASSED\n");
return 0;
}
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