Function test_present_canvas

std/src/gfx/lcd/buffered/tests.rs:218–233

()

#[test]
fn test_present_canvas() {
    Tester::new(size(10, 20))
        .op(|l| {
            l.set_sync(false);
            l.set_draw_color((1, 2, 3));
            l.draw_pixel(PixelsXY::new(5, 6)).unwrap();
            l.present_canvas().unwrap();
            l.set_draw_color((7, 8, 9));
            l.draw_pixel(PixelsXY::new(0, 0)).unwrap();
        })
        .expect_pixel(xy(5, 6), (1, 2, 3))
        .expect_pixel(xy(0, 0), (7, 8, 9))
        .expect_damage(xy(0, 0), xy(0, 0))
        .expect_op("set_data: from=(5, 6), to=(5, 6), data=[1, 2, 3]")
        .check();
}

#[derive(Clone, Copy)]
struct LossyPixel([u8; 1]);