()
| 674 | |
| 675 | #[test] |
| 676 | fn test_slice() { |
| 677 | let buf = Buffer::from(&[2, 4, 6, 8, 10]); |
| 678 | let buf2 = buf.slice(2); |
| 679 | |
| 680 | assert_eq!([6, 8, 10], buf2.as_slice()); |
| 681 | assert_eq!(3, buf2.len()); |
| 682 | assert_eq!(unsafe { buf.as_ptr().offset(2) }, buf2.as_ptr()); |
| 683 | |
| 684 | let buf3 = buf2.slice_with_length(1, 2); |
| 685 | assert_eq!([8, 10], buf3.as_slice()); |
| 686 | assert_eq!(2, buf3.len()); |
| 687 | assert_eq!(unsafe { buf.as_ptr().offset(3) }, buf3.as_ptr()); |
| 688 | |
| 689 | let buf4 = buf.slice(5); |
| 690 | let empty_slice: [u8; 0] = []; |
| 691 | assert_eq!(empty_slice, buf4.as_slice()); |
| 692 | assert_eq!(0, buf4.len()); |
| 693 | assert!(buf4.is_empty()); |
| 694 | assert_eq!(buf2.slice_with_length(2, 1).as_slice(), &[10]); |
| 695 | } |
| 696 | |
| 697 | #[test] |
| 698 | fn test_shrink_to_fit() { |
nothing calls this directly
no test coverage detected