Function main

tests/client_reverb_test.cpp:92–252

} // namespace

int main()
{
    // ── Test 1: default construction ──────────────────────────────────
    {
        ClientReverb r;
        r.prepare(kSampleRate);
        report("constructor starts disabled", !r.isEnabled());
    }

    // ── Test 2: enable toggle ─────────────────────────────────────────
    {
        ClientReverb r;
        r.prepare(kSampleRate);
        r.setEnabled(true);
        const bool gotOn = r.isEnabled();
        r.setEnabled(false);
        const bool gotOff = !r.isEnabled();
        report("enable toggle", gotOn && gotOff);
    }

    // ── Test 3: impulse response produces non-trivial tail ────────────
    {
        ClientReverb r;
        r.prepare(kSampleRate);
        r.setEnabled(true);
        r.setMix(1.0f);                // fully wet
        r.setDecayS(2.0f);
        r.setPreDelayMs(0.0f);
        // Longer buffer so the tail has room to manifest.
        const int totalFrames = static_cast<int>(kSampleRate * 1.0);
        std::vector<float> buf = makeImpulse(totalFrames, 0.9f);
        processBlocks(r, buf.data(), totalFrames);
        // Tail region: skip the first 10 ms (direct + initial echoes)
        // and measure L2 norm of the next ~100 ms.
        const int tailStart = static_cast<int>(kSampleRate * 0.01);
        const int tailLen   = static_cast<int>(kSampleRate * 0.10);
        const float tailEnergy = l2NormStereo(
            buf.data() + tailStart * 2, tailLen);
        report("impulse → non-zero tail", tailEnergy > 1e-4f,
               "energy=" + std::to_string(tailEnergy));
        report("impulse → finite output",
               !anyNaNorInf(buf.data(), totalFrames));
    }

    // ── Test 4: tail energy decays over time ──────────────────────────
    {
        ClientReverb r;
        r.prepare(kSampleRate);
        r.setEnabled(true);
        r.setMix(1.0f);
        r.setDecayS(1.5f);
        r.setPreDelayMs(0.0f);
        const int totalFrames = static_cast<int>(kSampleRate * 2.0);
        std::vector<float> buf = makeImpulse(totalFrames, 0.9f);
        processBlocks(r, buf.data(), totalFrames);
        const int halfLen = totalFrames / 2;
        const float firstHalf = l2NormStereo(buf.data(), halfLen);
        const float lastHalf  = l2NormStereo(buf.data() + halfLen * 2,