Add tests for out of bounds · rust-lang/rust@6ee1a13 (original) (raw)

Original file line number	Diff line number	Diff line change
@@ -470,10 +470,49 @@ fn take_seek() -> io::Result<()> {
470	470	assert_eq!(buf2, [b'2', b'3']);
471	471
472	472	assert_eq!(take.seek(SeekFrom::Current(2))?, 4);
473		-
474	473	Ok(())
475	474	}
476	475
	476	+#[test]
	477	+#[should_panic]
	478	+fn take_seek_out_of_bounds_start() {
	479	+let buf = Cursor::new(b"0123456789");
	480	+let mut take = buf.take(2);
	481	+ take.seek(SeekFrom::Start(3)).unwrap();
	482	+}
	483	+
	484	+#[test]
	485	+#[should_panic]
	486	+fn take_seek_out_of_bounds_end_forward() {
	487	+let buf = Cursor::new(b"0123456789");
	488	+let mut take = buf.take(2);
	489	+ take.seek(SeekFrom::End(1)).unwrap();
	490	+}
	491	+
	492	+#[test]
	493	+#[should_panic]
	494	+fn take_seek_out_of_bounds_end_before_start() {
	495	+let buf = Cursor::new(b"0123456789");
	496	+let mut take = buf.take(2);
	497	+ take.seek(SeekFrom::End(-3)).unwrap();
	498	+}
	499	+
	500	+#[test]
	501	+#[should_panic]
	502	+fn take_seek_out_of_bounds_current_before_start() {
	503	+let buf = Cursor::new(b"0123456789");
	504	+let mut take = buf.take(2);
	505	+ take.seek(SeekFrom::Current(-1)).unwrap();
	506	+}
	507	+
	508	+#[test]
	509	+#[should_panic]
	510	+fn take_seek_out_of_bounds_current_after_end() {
	511	+let buf = Cursor::new(b"0123456789");
	512	+let mut take = buf.take(2);
	513	+ take.seek(SeekFrom::Current(3)).unwrap();
	514	+}
	515	+
477	516	struct ExampleHugeRangeOfZeroes {
478	517	position: u64,
479	518	}