Function FL_TEST_FILE

tests/fl/noise_ring.cpp:5–1434

#include "test.h"

FL_TEST_FILE(FL_FILEPATH) {

using namespace fl;
using namespace noise_test_helpers;

// Temporarily disable all non-critical noise tests for faster test runs
// These can be re-enabled when needed for in-depth noise validation
// Includes noise ring, sphere, and cylinder tests (cylinder merged from noise_cylinder.cpp)
#if 0

FL_TEST_CASE("[.]noiseRingHSV8 temporal smoothness - small time delta") {
    const int NUM_LEDS = 128;
    const float ANGLE_STEP = 2.0f * M_PI / NUM_LEDS;

    CRGB frame_t0[NUM_LEDS];
    CRGB frame_t1[NUM_LEDS];

    uint32_t time_base = 5000;
    float radius = 1.0f;

    // Generate frame at time t0
    for (int i = 0; i < NUM_LEDS; i++) {
        float angle = i * ANGLE_STEP;
        CHSV hsv = noiseRingHSV8(angle, time_base, radius);
        frame_t0[i] = hsv;
    }

    // Generate frame at t0 + 1ms (small time delta)
    // Noise should change very smoothly - small average color difference
    for (int i = 0; i < NUM_LEDS; i++) {
        float angle = i * ANGLE_STEP;
        CHSV hsv = noiseRingHSV8(angle, time_base + 1, radius);
        frame_t1[i] = hsv;
    }

    float avg_diff_1ms = calcAverageColorDifference(frame_t0, frame_t1, NUM_LEDS);

    FL_WARN("=== noiseRingHSV8 Temporal Smoothness Test (Δt=1ms) ===");
    FL_WARN("Average color pixel difference: " << avg_diff_1ms);
    FL_WARN("Threshold for smooth animation: < 5.0");

    // At 1ms, the noise should change only minimally
    // This tests that the noise function provides smooth animation
    // as time progresses in small increments
    FL_CHECK_LT(avg_diff_1ms, 5.0f);
}

FL_TEST_CASE("[.]noiseRingHSV8 temporal evolution - large time delta") {
    const int NUM_LEDS = 128;
    const float ANGLE_STEP = 2.0f * M_PI / NUM_LEDS;

    CRGB frame_t0[NUM_LEDS];
    CRGB frame_t1[NUM_LEDS];

    uint32_t time_base = 1000;
    float radius = 1.0f;

    // Generate frame at time t0