/
test_buf.rs
56 lines (42 loc) · 1.04 KB
/
test_buf.rs
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extern crate bytes;
extern crate byteorder;
use bytes::Buf;
use std::io::IoSlice;
#[test]
fn test_fresh_cursor_vec() {
let mut buf = &b"hello"[..];
assert_eq!(buf.remaining(), 5);
assert_eq!(buf.bytes(), b"hello");
buf.advance(2);
assert_eq!(buf.remaining(), 3);
assert_eq!(buf.bytes(), b"llo");
buf.advance(3);
assert_eq!(buf.remaining(), 0);
assert_eq!(buf.bytes(), b"");
}
#[test]
fn test_get_u8() {
let mut buf = &b"\x21zomg"[..];
assert_eq!(0x21, buf.get_u8());
}
#[test]
fn test_get_u16() {
let mut buf = &b"\x21\x54zomg"[..];
assert_eq!(0x2154, buf.get_u16());
let mut buf = &b"\x21\x54zomg"[..];
assert_eq!(0x5421, buf.get_u16_le());
}
#[test]
#[should_panic]
fn test_get_u16_buffer_underflow() {
let mut buf = &b"\x21"[..];
buf.get_u16();
}
#[test]
fn test_bufs_vec() {
let buf = &b"hello world"[..];
let b1: &[u8] = &mut [];
let b2: &[u8] = &mut [];
let mut dst = [IoSlice::new(b1), IoSlice::new(b2)];
assert_eq!(1, buf.bytes_vectored(&mut dst[..]));
}