| 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_be(8532); |
| assert_eq!(b"\x21\x54", &buf[..]); |
| |
| buf.clear(); |
| buf.put_u16_le(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[..])); |
| } |
| } |