mirror of
https://github.com/tokio-rs/bytes.git
synced 2026-08-07 00:00:13 +02:00
DoumanandCarl Lerche
b6cb346adf
As consequence Buf::collect is removed as well, which is replaced with `Buf::into_bytes`. The advantage of `Buf::into_bytes` is that it can be optimized in cases where converting a `T: Buf` into a `Bytes` instance is efficient.
89 lines
1.8 KiB
Rust
89 lines
1.8 KiB
Rust
#![deny(warnings, rust_2018_idioms)]
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use bytes::{BufMut, BytesMut};
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use std::usize;
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use std::fmt::Write;
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use std::io::IoSliceMut;
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#[test]
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fn test_vec_as_mut_buf() {
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let mut buf = Vec::with_capacity(64);
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assert_eq!(buf.remaining_mut(), usize::MAX);
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unsafe {
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assert!(buf.bytes_mut().len() >= 64);
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}
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buf.put(&b"zomg"[..]);
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assert_eq!(&buf, b"zomg");
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assert_eq!(buf.remaining_mut(), usize::MAX - 4);
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assert_eq!(buf.capacity(), 64);
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for _ in 0..16 {
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buf.put(&b"zomg"[..]);
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}
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assert_eq!(buf.len(), 68);
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}
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#[test]
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fn test_put_u8() {
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let mut buf = Vec::with_capacity(8);
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buf.put_u8(33);
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assert_eq!(b"\x21", &buf[..]);
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}
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#[test]
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fn test_put_u16() {
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let mut buf = Vec::with_capacity(8);
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buf.put_u16(8532);
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assert_eq!(b"\x21\x54", &buf[..]);
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buf.clear();
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buf.put_u16_le(8532);
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assert_eq!(b"\x54\x21", &buf[..]);
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}
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#[test]
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fn test_vec_advance_mut() {
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// Regression test for carllerche/bytes#108.
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let mut buf = Vec::with_capacity(8);
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unsafe {
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buf.advance_mut(12);
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assert_eq!(buf.len(), 12);
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assert!(buf.capacity() >= 12, "capacity: {}", buf.capacity());
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}
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}
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#[test]
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fn test_clone() {
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let mut buf = BytesMut::with_capacity(100);
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buf.write_str("this is a test").unwrap();
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let buf2 = buf.clone();
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buf.write_str(" of our emergency broadcast system").unwrap();
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assert!(buf != buf2);
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}
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#[test]
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fn test_bufs_vec_mut() {
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let mut buf = BytesMut::from(&b"hello world"[..]);
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let b1: &mut [u8] = &mut [];
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let b2: &mut [u8] = &mut [];
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let mut dst = [IoSliceMut::new(b1), IoSliceMut::new(b2)];
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unsafe {
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assert_eq!(1, buf.bytes_vectored_mut(&mut dst[..]));
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}
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}
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#[test]
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fn test_mut_slice() {
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let mut v = vec![0, 0, 0, 0];
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let mut s = &mut v[..];
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s.put_u32(42);
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}
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