Function read_buffer_exception_safety

block-buffer/tests/mod.rs:406–435

()

#[test]
fn read_buffer_exception_safety() {
    let mut buf = ReadBuffer::<U4>::default();

    let res = catch_unwind(AssertUnwindSafe(|| {
        buf.write_block(
            1,
            |block| {
                block[0] = 0xFF;
                panic!("block generation panic");
            },
            |_| {},
        );
    }));

    assert!(res.is_err());
    let _ = buf.get_pos();

    let mut buf = ReadBuffer::<U4>::default();

    let res = catch_unwind(AssertUnwindSafe(|| {
        buf.write_block(
            1,
            |block| block.0 = [0xFF; 4],
            |_| panic!("data read panic"),
        );
    }));

    assert!(res.is_err());
    let _ = buf.get_pos();
}