blob: 896e31df0729a93e9625debe49932e111652f855 [file] [log] [blame]
extern crate bytes;
extern crate byteorder;
extern crate iovec;
use bytes::{BufMut, BytesMut};
use iovec::IoVec;
use std::usize;
use std::fmt::Write;
#[test]
fn test_vec_as_mut_buf() {
let mut buf = Vec::with_capacity(64);
assert_eq!(buf.remaining_mut(), usize::MAX);
unsafe {
assert!(buf.bytes_mut().len() >= 64);
}
buf.put(&b"zomg"[..]);
assert_eq!(&buf, b"zomg");
assert_eq!(buf.remaining_mut(), usize::MAX - 4);
assert_eq!(buf.capacity(), 64);
for _ in 0..16 {
buf.put(&b"zomg"[..]);
}
assert_eq!(buf.len(), 68);
}
#[test]
fn test_put_u8() {
let mut buf = Vec::with_capacity(8);
buf.put::<u8>(33);
assert_eq!(b"\x21", &buf[..]);
}
#[test]
fn test_put_u16() {
let mut buf = Vec::with_capacity(8);
buf.put_u16::<byteorder::BigEndian>(8532);
assert_eq!(b"\x21\x54", &buf[..]);
buf.clear();
buf.put_u16::<byteorder::LittleEndian>(8532);
assert_eq!(b"\x54\x21", &buf[..]);
}
#[test]
fn test_vec_advance_mut() {
// Regression test for carllerche/bytes#108.
let mut buf = Vec::with_capacity(8);
unsafe {
buf.advance_mut(12);
assert_eq!(buf.len(), 12);
assert!(buf.capacity() >= 12, "capacity: {}", buf.capacity());
}
}
#[test]
fn test_clone() {
let mut buf = BytesMut::with_capacity(100);
buf.write_str("this is a test").unwrap();
let buf2 = buf.clone();
buf.write_str(" of our emergecy broadcast system").unwrap();
assert!(buf != buf2);
}
#[test]
fn test_bufs_vec_mut() {
use std::mem;
let mut buf = BytesMut::from(&b"hello world"[..]);
unsafe {
let mut dst: [&mut IoVec; 2] = mem::zeroed();
assert_eq!(1, buf.bytes_vec_mut(&mut dst[..]));
}
}