mediaway-device 0.1.8

Device capture: camera, microphone, screen/window, audio playback + hotplug, with Windows/Linux/Web backends as #[cfg]-gated modules
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#![allow(
    clippy::unwrap_used,
    clippy::expect_used,
    clippy::print_stderr,
    clippy::cast_possible_wrap,
    clippy::significant_drop_tightening,
    reason = "test modules may unwrap / print"
)]

use super::*;

#[test]
fn push_frame_drops_oldest_past_capacity() {
    let queue = FrameQueue {
        frames: Mutex::new(VecDeque::new()),
    };
    for _ in 0..(FRAME_QUEUE_CAP + 2) {
        push_frame(&queue, (Bytes::new(), 1920, 1080));
    }
    let q = queue.frames.lock().unwrap();
    assert_eq!(q.len(), FRAME_QUEUE_CAP);
}

#[test]
fn push_frame_sets_nv12_metadata() {
    let queue = FrameQueue {
        frames: Mutex::new(VecDeque::new()),
    };
    push_frame(&queue, (Bytes::new(), 640, 480));
    let q = queue.frames.lock().unwrap();
    let frame = q.front().unwrap();
    assert_eq!(frame.width, 640);
    assert_eq!(frame.height, 480);
    assert_eq!(frame.format, PixelFormat::Nv12);
}

#[test]
fn take_sender_returns_once() {
    let (tx, _rx) = sync_channel::<()>(1);
    let state = Mutex::new(Some(tx));
    assert!(take_sender(&state).is_some());
    assert!(take_sender(&state).is_none());
}