Function require_wav_shape

tests/unittests/test_audio_utility_api.cpp:54–59

}

void require_wav_shape(const std::filesystem::path & path, int sample_rate) {
    const auto wav = engine::audio::read_wav_f32(path);
    require(wav.sample_rate == sample_rate, "output sample rate mismatch: " + path.string());
    require(wav.channels == 1, "output channel count mismatch: " + path.string());
    require(!wav.samples.empty(), "output WAV is empty: " + path.string());
}

}  // namespace