diff options
Diffstat (limited to 'library/std/src/sys/unix/kernel_copy/tests.rs')
| -rw-r--r-- | library/std/src/sys/unix/kernel_copy/tests.rs | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/library/std/src/sys/unix/kernel_copy/tests.rs b/library/std/src/sys/unix/kernel_copy/tests.rs index 554ebd94022..3937a1ffa38 100644 --- a/library/std/src/sys/unix/kernel_copy/tests.rs +++ b/library/std/src/sys/unix/kernel_copy/tests.rs @@ -42,8 +42,15 @@ fn copy_specialization() -> Result<()> { assert_eq!(sink.buffer(), b"wxyz"); let copied = crate::io::copy(&mut source, &mut sink)?; - assert_eq!(copied, 10); - assert_eq!(sink.buffer().len(), 0); + assert_eq!(copied, 10, "copy obeyed limit imposed by Take"); + assert_eq!(sink.buffer().len(), 0, "sink buffer was flushed"); + assert_eq!(source.limit(), 0, "outer Take was exhausted"); + assert_eq!(source.get_ref().buffer().len(), 0, "source buffer should be drained"); + assert_eq!( + source.get_ref().get_ref().limit(), + 1, + "inner Take allowed reading beyond end of file, some bytes should be left" + ); let mut sink = sink.into_inner()?; sink.seek(SeekFrom::Start(0))?; @@ -210,7 +217,7 @@ fn bench_socket_pipe_socket_copy(b: &mut test::Bencher) { ); match probe { - CopyResult::Ended(Ok(1)) => { + CopyResult::Ended(1) => { // splice works } _ => { |