diff options
Diffstat (limited to 'library/std/src/io/readbuf/tests.rs')
-rw-r--r-- | library/std/src/io/readbuf/tests.rs | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/library/std/src/io/readbuf/tests.rs b/library/std/src/io/readbuf/tests.rs deleted file mode 100644 index 89a2f6b22..000000000 --- a/library/std/src/io/readbuf/tests.rs +++ /dev/null @@ -1,175 +0,0 @@ -use super::BorrowedBuf; -use crate::mem::MaybeUninit; - -/// Test that BorrowedBuf has the correct numbers when created with new -#[test] -fn new() { - let buf: &mut [_] = &mut [0; 16]; - let mut rbuf: BorrowedBuf<'_> = buf.into(); - - assert_eq!(rbuf.filled().len(), 0); - assert_eq!(rbuf.init_len(), 16); - assert_eq!(rbuf.capacity(), 16); - assert_eq!(rbuf.unfilled().capacity(), 16); -} - -/// Test that BorrowedBuf has the correct numbers when created with uninit -#[test] -fn uninit() { - let buf: &mut [_] = &mut [MaybeUninit::uninit(); 16]; - let mut rbuf: BorrowedBuf<'_> = buf.into(); - - assert_eq!(rbuf.filled().len(), 0); - assert_eq!(rbuf.init_len(), 0); - assert_eq!(rbuf.capacity(), 16); - assert_eq!(rbuf.unfilled().capacity(), 16); -} - -#[test] -fn initialize_unfilled() { - let buf: &mut [_] = &mut [MaybeUninit::uninit(); 16]; - let mut rbuf: BorrowedBuf<'_> = buf.into(); - - rbuf.unfilled().ensure_init(); - - assert_eq!(rbuf.init_len(), 16); -} - -#[test] -fn advance_filled() { - let buf: &mut [_] = &mut [0; 16]; - let mut rbuf: BorrowedBuf<'_> = buf.into(); - - unsafe { - rbuf.unfilled().advance(1); - } - - assert_eq!(rbuf.filled().len(), 1); - assert_eq!(rbuf.unfilled().capacity(), 15); -} - -#[test] -fn clear() { - let buf: &mut [_] = &mut [255; 16]; - let mut rbuf: BorrowedBuf<'_> = buf.into(); - - unsafe { - rbuf.unfilled().advance(16); - } - - assert_eq!(rbuf.filled().len(), 16); - assert_eq!(rbuf.unfilled().capacity(), 0); - - rbuf.clear(); - - assert_eq!(rbuf.filled().len(), 0); - assert_eq!(rbuf.unfilled().capacity(), 16); - - assert_eq!(rbuf.unfilled().init_ref(), [255; 16]); -} - -#[test] -fn set_init() { - let buf: &mut [_] = &mut [MaybeUninit::uninit(); 16]; - let mut rbuf: BorrowedBuf<'_> = buf.into(); - - unsafe { - rbuf.set_init(8); - } - - assert_eq!(rbuf.init_len(), 8); - - unsafe { - rbuf.unfilled().advance(4); - } - - unsafe { - rbuf.set_init(2); - } - - assert_eq!(rbuf.init_len(), 8); - - unsafe { - rbuf.set_init(8); - } - - assert_eq!(rbuf.init_len(), 8); -} - -#[test] -fn append() { - let buf: &mut [_] = &mut [MaybeUninit::new(255); 16]; - let mut rbuf: BorrowedBuf<'_> = buf.into(); - - rbuf.unfilled().append(&[0; 8]); - - assert_eq!(rbuf.init_len(), 8); - assert_eq!(rbuf.filled().len(), 8); - assert_eq!(rbuf.filled(), [0; 8]); - - rbuf.clear(); - - rbuf.unfilled().append(&[1; 16]); - - assert_eq!(rbuf.init_len(), 16); - assert_eq!(rbuf.filled().len(), 16); - assert_eq!(rbuf.filled(), [1; 16]); -} - -#[test] -fn reborrow_written() { - let buf: &mut [_] = &mut [MaybeUninit::new(0); 32]; - let mut buf: BorrowedBuf<'_> = buf.into(); - - let mut cursor = buf.unfilled(); - cursor.append(&[1; 16]); - - let mut cursor2 = cursor.reborrow(); - cursor2.append(&[2; 16]); - - assert_eq!(cursor2.written(), 32); - assert_eq!(cursor.written(), 32); - - assert_eq!(buf.unfilled().written(), 0); - assert_eq!(buf.init_len(), 32); - assert_eq!(buf.filled().len(), 32); - let filled = buf.filled(); - assert_eq!(&filled[..16], [1; 16]); - assert_eq!(&filled[16..], [2; 16]); -} - -#[test] -fn cursor_set_init() { - let buf: &mut [_] = &mut [MaybeUninit::uninit(); 16]; - let mut rbuf: BorrowedBuf<'_> = buf.into(); - - unsafe { - rbuf.unfilled().set_init(8); - } - - assert_eq!(rbuf.init_len(), 8); - assert_eq!(rbuf.unfilled().init_ref().len(), 8); - assert_eq!(rbuf.unfilled().init_mut().len(), 8); - assert_eq!(rbuf.unfilled().uninit_mut().len(), 8); - assert_eq!(unsafe { rbuf.unfilled().as_mut() }.len(), 16); - - unsafe { - rbuf.unfilled().advance(4); - } - - unsafe { - rbuf.unfilled().set_init(2); - } - - assert_eq!(rbuf.init_len(), 8); - - unsafe { - rbuf.unfilled().set_init(8); - } - - assert_eq!(rbuf.init_len(), 12); - assert_eq!(rbuf.unfilled().init_ref().len(), 8); - assert_eq!(rbuf.unfilled().init_mut().len(), 8); - assert_eq!(rbuf.unfilled().uninit_mut().len(), 4); - assert_eq!(unsafe { rbuf.unfilled().as_mut() }.len(), 12); -} |