blob: 8daacf7bcd4d5a128d868a40b5d165719e92bd38 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
// This file is part of the 64k demo project.
// It tests the SilentBackend for audio testing without hardware.
// Verifies audio.cc functionality using silent backend.
#include "audio/audio.h"
#include "audio/audio_engine.h"
#include "audio/backend/silent_backend.h"
#include "audio/synth.h"
#include <assert.h>
#include <stdio.h>
#if !defined(STRIP_ALL)
// Test: SilentBackend initialization and lifecycle
void test_silent_backend_lifecycle() {
SilentBackend backend;
assert(!backend.is_initialized());
assert(!backend.is_started());
backend.init();
assert(backend.is_initialized());
assert(!backend.is_started());
backend.start();
assert(backend.is_initialized());
assert(backend.is_started());
backend.shutdown();
assert(!backend.is_initialized());
assert(!backend.is_started());
printf("SilentBackend lifecycle test PASSED\n");
}
// Test: Audio system with SilentBackend
void test_audio_with_silent_backend() {
SilentBackend backend;
audio_set_backend(&backend);
audio_init();
assert(backend.is_initialized());
audio_start();
assert(backend.is_started());
audio_shutdown();
assert(!backend.is_initialized());
printf("Audio with SilentBackend test PASSED\n");
}
// Test: Peak control in SilentBackend
void test_silent_backend_peak() {
SilentBackend backend;
audio_set_backend(&backend);
audio_init();
// Default peak should be 0
assert(backend.get_realtime_peak() == 0.0f);
assert(audio_get_realtime_peak() == 0.0f);
// Set test peak
backend.set_peak(0.75f);
assert(backend.get_realtime_peak() == 0.75f);
assert(audio_get_realtime_peak() == 0.75f);
// Reset
backend.set_peak(0.0f);
assert(backend.get_realtime_peak() == 0.0f);
audio_shutdown();
printf("SilentBackend peak control test PASSED\n");
}
// Test: Frame and voice tracking
void test_silent_backend_tracking() {
SilentBackend backend;
audio_set_backend(&backend);
AudioEngine engine;
engine.init();
// Initial state
assert(backend.get_frames_rendered() == 0);
assert(backend.get_voice_trigger_count() == 0);
// Create a dummy spectrogram
float data[DCT_SIZE * 2] = {0};
Spectrogram spec = {data, data, 2};
int id = synth_register_spectrogram(&spec);
// Trigger a voice
synth_trigger_voice(id, 0.8f, 0.0f);
assert(backend.get_voice_trigger_count() == 1);
// Render audio (calls on_frames_rendered)
audio_render_ahead(0.0f, 0.1f); // Render ~0.1 seconds
assert(backend.get_frames_rendered() > 0);
// Reset stats
backend.reset_stats();
assert(backend.get_frames_rendered() == 0);
assert(backend.get_voice_trigger_count() == 0);
engine.shutdown();
audio_shutdown();
printf("SilentBackend tracking test PASSED\n");
}
// Test: Playback time with SilentBackend
void test_audio_playback_time() {
SilentBackend backend;
audio_set_backend(&backend);
AudioEngine engine;
engine.init();
audio_start();
// Initial playback time should be 0
float t0 = audio_get_playback_time();
assert(t0 == 0.0f);
// Render some audio
audio_render_ahead(0.5f, 0.1f); // Advance music time to 0.5s
// Playback time should advance based on frames rendered
// Note: audio_get_playback_time() tracks cumulative frames consumed
float t1 = audio_get_playback_time();
assert(t1 >= 0.0f); // Should have advanced
// Render more
audio_render_ahead(1.0f, 0.5f);
float t2 = audio_get_playback_time();
assert(t2 >= t1); // Should continue advancing
engine.shutdown();
audio_shutdown();
printf("Audio playback time test PASSED\n");
}
// Test: Buffer management with partial writes
void test_audio_buffer_partial_writes() {
SilentBackend backend;
audio_set_backend(&backend);
AudioEngine engine;
engine.init();
audio_start();
// Fill buffer multiple times to test wraparound
// Note: With SilentBackend, frames_rendered won't increase because
// there's no audio callback consuming from the ring buffer
for (int i = 0; i < 10; ++i) {
audio_render_ahead((float)i * 0.1f, 0.1f);
}
// Buffer should have handled multiple writes correctly (no crash)
// We can't check frames_rendered with SilentBackend since there's
// no audio callback to consume from the ring buffer
audio_update(); // Should not crash
engine.shutdown();
audio_shutdown();
printf("Audio buffer partial writes test PASSED\n");
}
// Test: audio_update() with SilentBackend
void test_audio_update() {
SilentBackend backend;
audio_set_backend(&backend);
AudioEngine engine;
engine.init();
audio_start();
// audio_update() should be callable without crashing
audio_update();
audio_update();
audio_update();
engine.shutdown();
audio_shutdown();
printf("Audio update test PASSED\n");
}
#endif /* !defined(STRIP_ALL) */
int main() {
#if !defined(STRIP_ALL)
printf("Running SilentBackend tests...\n");
test_silent_backend_lifecycle();
test_audio_with_silent_backend();
test_silent_backend_peak();
test_silent_backend_tracking();
test_audio_playback_time();
test_audio_buffer_partial_writes();
test_audio_update();
printf("All SilentBackend tests PASSED\n");
return 0;
#else
printf("SilentBackend tests skipped (STRIP_ALL enabled)\n");
return 0;
#endif /* !defined(STRIP_ALL) */
}
|
