test_take.rs - mozsearch

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#![warn(rust_2018_idioms)]

use bytes::buf::Buf;

use bytes::Bytes;

#[test]

fn long_take() {

    // Tests that get a take with a size greater than the buffer length will not

    // overrun the buffer. Regression test for #138.

    let buf = b"hello world".take(100);

    assert_eq!(11, buf.remaining());

    assert_eq!(b"hello world", buf.chunk());

#[test]

fn take_copy_to_bytes() {

    let mut abcd = Bytes::copy_from_slice(b"abcd");

    let abcd_ptr = abcd.as_ptr();

    let mut take = (&mut abcd).take(2);

    let a = take.copy_to_bytes(1);

    assert_eq!(Bytes::copy_from_slice(b"a"), a);

    // assert `to_bytes` did not allocate

    assert_eq!(abcd_ptr, a.as_ptr());

    assert_eq!(Bytes::copy_from_slice(b"bcd"), abcd);

#[test]

#[should_panic]

fn take_copy_to_bytes_panics() {

    let abcd = Bytes::copy_from_slice(b"abcd");

    abcd.take(2).copy_to_bytes(3);