// SPDX-License-Identifier: GPL-3.0-or-later
use molotov_core::audio::buffer::AudioRingBuffer;

#[test]
fn test_ring_buffer_write_and_read() {
    let mut buffer = AudioRingBuffer::new(1024);
    let samples = [0.1f32, 0.2, 0.3, 0.4];

    assert_eq!(buffer.write(&samples), 4);
    assert_eq!(buffer.available_read(), 4);

    let mut out = [0.0f32; 4];
    assert_eq!(buffer.read(&mut out), 4);
    assert_eq!(out, samples);
    assert_eq!(buffer.available_read(), 0);
}

#[test]
fn test_ring_buffer_underrun_fills_silence() {
    let mut buffer = AudioRingBuffer::new(1024);
    let mut out = [1.0f32; 4];

    // Reading from empty buffer returns 0 read, but caller can zero memory
    let read_count = buffer.read(&mut out);
    assert_eq!(read_count, 0);
}