diff options
Diffstat (limited to 'src/tests/test_spectral_brush.cc')
| -rw-r--r-- | src/tests/test_spectral_brush.cc | 53 |
1 files changed, 30 insertions, 23 deletions
diff --git a/src/tests/test_spectral_brush.cc b/src/tests/test_spectral_brush.cc index 1431ba7..ae1862a 100644 --- a/src/tests/test_spectral_brush.cc +++ b/src/tests/test_spectral_brush.cc @@ -28,11 +28,11 @@ void test_bezier_linear_2points() { // Midpoint: linear interpolation const float mid = evaluate_bezier_linear(frames, values, 2, 50.0f); - assert(float_eq(mid, 100.0f)); // (50 + 150) / 2 + assert(float_eq(mid, 100.0f)); // (50 + 150) / 2 // Quarter point const float quarter = evaluate_bezier_linear(frames, values, 2, 25.0f); - assert(float_eq(quarter, 75.0f)); // 50 + (150 - 50) * 0.25 + assert(float_eq(quarter, 75.0f)); // 50 + (150 - 50) * 0.25 printf("[PASS] test_bezier_linear_2points\n"); } @@ -78,8 +78,10 @@ void test_bezier_edge_cases() { // Out of range: clamp to endpoints const float frames2[] = {10.0f, 90.0f}; const float values2[] = {100.0f, 200.0f}; - assert(float_eq(evaluate_bezier_linear(frames2, values2, 2, 0.0f), 100.0f)); // Before start - assert(float_eq(evaluate_bezier_linear(frames2, values2, 2, 100.0f), 200.0f)); // After end + assert(float_eq(evaluate_bezier_linear(frames2, values2, 2, 0.0f), + 100.0f)); // Before start + assert(float_eq(evaluate_bezier_linear(frames2, values2, 2, 100.0f), + 200.0f)); // After end printf("[PASS] test_bezier_edge_cases\n"); } @@ -98,7 +100,7 @@ void test_profile_gaussian() { // Far from center: should approach 0 const float far = evaluate_profile(PROFILE_GAUSSIAN, 100.0f, 30.0f, 0.0f); - assert(far < 0.01f); // Very small + assert(far < 0.01f); // Very small printf("[PASS] test_profile_gaussian\n"); } @@ -110,12 +112,14 @@ void test_profile_decaying_sinusoid() { // At center (distance = 0) // exp(-0 * 0.15) * cos(0 * 0.8) = 1.0 * 1.0 = 1.0 - assert(float_eq(evaluate_profile(PROFILE_DECAYING_SINUSOID, 0.0f, decay, omega), 1.0f)); + assert(float_eq( + evaluate_profile(PROFILE_DECAYING_SINUSOID, 0.0f, decay, omega), 1.0f)); // At distance 10 const float dist = 10.0f; const float expected = expf(-decay * dist) * cosf(omega * dist); - const float actual = evaluate_profile(PROFILE_DECAYING_SINUSOID, dist, decay, omega); + const float actual = + evaluate_profile(PROFILE_DECAYING_SINUSOID, dist, decay, omega); assert(float_eq(actual, expected)); printf("[PASS] test_profile_decaying_sinusoid\n"); @@ -127,12 +131,15 @@ void test_profile_noise() { const uint32_t seed = 42; // Same distance + seed should produce same value - const float val1 = evaluate_profile(PROFILE_NOISE, 10.0f, amplitude, (float)seed); - const float val2 = evaluate_profile(PROFILE_NOISE, 10.0f, amplitude, (float)seed); + const float val1 = + evaluate_profile(PROFILE_NOISE, 10.0f, amplitude, (float)seed); + const float val2 = + evaluate_profile(PROFILE_NOISE, 10.0f, amplitude, (float)seed); assert(float_eq(val1, val2)); // Different distance should produce different value (with high probability) - const float val3 = evaluate_profile(PROFILE_NOISE, 20.0f, amplitude, (float)seed); + const float val3 = + evaluate_profile(PROFILE_NOISE, 20.0f, amplitude, (float)seed); assert(!float_eq(val1, val3)); // Should be in range [0, amplitude] @@ -150,25 +157,25 @@ void test_draw_bezier_curve() { // Simple curve: constant frequency, linearly decaying amplitude const float frames[] = {0.0f, 100.0f}; - const float freqs[] = {440.0f, 440.0f}; // A4 note (constant pitch) - const float amps[] = {1.0f, 0.0f}; // Fade out + const float freqs[] = {440.0f, 440.0f}; // A4 note (constant pitch) + const float amps[] = {1.0f, 0.0f}; // Fade out - draw_bezier_curve(spectrogram, dct_size, num_frames, frames, freqs, amps, 2, PROFILE_GAUSSIAN, - 30.0f); + draw_bezier_curve(spectrogram, dct_size, num_frames, frames, freqs, amps, 2, + PROFILE_GAUSSIAN, 30.0f); // Verify: At frame 0, should have peak around 440 Hz bin // bin = (440 / 16000) * 512 ≈ 14.08 const int expected_bin = 14; const float val_at_peak = spectrogram[0 * dct_size + expected_bin]; - assert(val_at_peak > 0.5f); // Should be near 1.0 due to Gaussian + assert(val_at_peak > 0.5f); // Should be near 1.0 due to Gaussian // Verify: At frame 99 (end), amplitude should be near 0 const float val_at_end = spectrogram[99 * dct_size + expected_bin]; - assert(val_at_end < 0.1f); // Near zero + assert(val_at_end < 0.1f); // Near zero // Verify: At frame 50 (midpoint), amplitude should be ~0.5 const float val_at_mid = spectrogram[50 * dct_size + expected_bin]; - assert(val_at_mid > 0.3f && val_at_mid < 0.7f); // Around 0.5 + assert(val_at_mid > 0.3f && val_at_mid < 0.7f); // Around 0.5 printf("[PASS] test_draw_bezier_curve\n"); } @@ -184,20 +191,20 @@ void test_draw_bezier_curve_add() { const float frames1[] = {0.0f, 100.0f}; const float freqs1[] = {440.0f, 440.0f}; const float amps1[] = {0.5f, 0.5f}; - draw_bezier_curve(spectrogram, dct_size, num_frames, frames1, freqs1, amps1, 2, PROFILE_GAUSSIAN, - 30.0f); + draw_bezier_curve(spectrogram, dct_size, num_frames, frames1, freqs1, amps1, + 2, PROFILE_GAUSSIAN, 30.0f); - const int bin = 14; // ~440 Hz + const int bin = 14; // ~440 Hz const float val_before_add = spectrogram[0 * dct_size + bin]; // Add second curve (same frequency, same amplitude) - draw_bezier_curve_add(spectrogram, dct_size, num_frames, frames1, freqs1, amps1, 2, - PROFILE_GAUSSIAN, 30.0f); + draw_bezier_curve_add(spectrogram, dct_size, num_frames, frames1, freqs1, + amps1, 2, PROFILE_GAUSSIAN, 30.0f); const float val_after_add = spectrogram[0 * dct_size + bin]; // Should be approximately doubled - assert(val_after_add > val_before_add * 1.8f); // Allow small error + assert(val_after_add > val_before_add * 1.8f); // Allow small error printf("[PASS] test_draw_bezier_curve_add\n"); } |