use crate::base::write::io::offset::AsyncOffsetWriter;
#[tokio::test]
async fn basic() {
use futures_lite::io::AsyncWriteExt;
use futures_lite::io::Cursor;
let mut writer = AsyncOffsetWriter::new(Cursor::new(Vec::new()));
assert_eq!(writer.offset(), 0);
writer.write_all(b"Foo. Bar. Foo. Bar.").await.expect("failed to write data");
assert_eq!(writer.offset(), 19);
writer.write_all(b"Foo. Foo.").await.expect("failed to write data");
assert_eq!(writer.offset(), 28);
writer.write_all(b"Bar. Bar.").await.expect("failed to write data");
assert_eq!(writer.offset(), 37);
}