381         assert_eq!(mem::size_of::<NodeData<F>>(), 64);  in node_size()
395         assert_eq!(s.iter(&f).next(), None);  in empty()
401         assert_eq!(c.elem(), None);  in empty()
403         assert_eq!(c.goto_first(), None);  in empty()
404         assert_eq!(c.tpath(), "<empty path>");  in empty()
415         assert_eq!(c.elem(), Some(50));  in simple_cursor()
419         assert_eq!(c.elem(), Some(100));  in simple_cursor()
423         assert_eq!(c.elem(), Some(10));  in simple_cursor()
426         assert_eq!(c.next(), Some(50));  in simple_cursor()
427         assert_eq!(c.next(), Some(100));  in simple_cursor()
428         assert_eq!(c.next(), None);  in simple_cursor()
429         assert_eq!(c.next(), None);  in simple_cursor()
430         assert_eq!(c.prev(), Some(100));  in simple_cursor()
431         assert_eq!(c.prev(), Some(50));  in simple_cursor()
432         assert_eq!(c.prev(), Some(10));  in simple_cursor()
433         assert_eq!(c.prev(), None);  in simple_cursor()
434         assert_eq!(c.prev(), None);  in simple_cursor()
437         assert_eq!(c.elem(), Some(50));  in simple_cursor()
438         assert_eq!(c.remove(), Some(50));  in simple_cursor()
441         assert_eq!(c.elem(), Some(100));  in simple_cursor()
442         assert_eq!(c.remove(), Some(100));  in simple_cursor()
444         assert_eq!(c.elem(), None);  in simple_cursor()
445         assert_eq!(c.remove(), None);  in simple_cursor()
460             assert_eq!(c.elem(), Some(i));  in two_level_sparse_tree()
464         assert_eq!(c.goto_first(), Some(0));  in two_level_sparse_tree()
465         assert_eq!(c.tpath(), "node2[0]--node0[0]");  in two_level_sparse_tree()
467         assert_eq!(c.prev(), None);  in two_level_sparse_tree()
469             assert_eq!(c.next(), Some(i));  in two_level_sparse_tree()
471         assert_eq!(c.next(), None);  in two_level_sparse_tree()
473             assert_eq!(c.prev(), Some(i));  in two_level_sparse_tree()
475         assert_eq!(c.prev(), None);  in two_level_sparse_tree()
479             assert_eq!(c.remove(), Some(i));  in two_level_sparse_tree()
486             assert_eq!(c.elem(), None);  in two_level_sparse_tree()
487             assert_eq!(c.prev(), Some(i));  in two_level_sparse_tree()
488             assert_eq!(c.remove(), Some(i));  in two_level_sparse_tree()
491         assert_eq!(c.elem(), None);  in two_level_sparse_tree()
507             assert_eq!(c.elem(), Some(i));  in three_level_sparse_tree()
512         assert_eq!(c.tpath(), "node11[0]--node2[0]--node0[0]");  in three_level_sparse_tree()
514         assert_eq!(c.prev(), None);  in three_level_sparse_tree()
516             assert_eq!(c.next(), Some(i));  in three_level_sparse_tree()
518         assert_eq!(c.next(), None);  in three_level_sparse_tree()
520             assert_eq!(c.prev(), Some(i));  in three_level_sparse_tree()
522         assert_eq!(c.prev(), None);  in three_level_sparse_tree()
526             assert_eq!(c.remove(), Some(i));  in three_level_sparse_tree()
533             assert_eq!(c.elem(), None);  in three_level_sparse_tree()
534             assert_eq!(c.prev(), Some(i));  in three_level_sparse_tree()
535             assert_eq!(c.remove(), Some(i));  in three_level_sparse_tree()
538         assert_eq!(c.elem(), None);  in three_level_sparse_tree()
567         assert_eq!(  in four_level()
579         assert_eq!(c.tpath(), "node48[1]--node47[0]--node26[0]--node20[4]");  in four_level()
583             assert_eq!(c.remove(), Some(i));  in four_level()
586         assert_eq!(c.elem(), Some(900));  in four_level()
591             assert_eq!(c.prev(), Some(i));  in four_level()
592             assert_eq!(c.remove(), Some(i));  in four_level()
593             assert_eq!(c.elem(), Some(3000));  in four_level()