fn test_version_edit_encode_decode()

in common/rusty_leveldb_sgx/src/version_edit.rs [310:376]

• 63 lines of code
• 1 McCabe index (conditional complexity)

    fn test_version_edit_encode_decode() {
        let mut ve = VersionEdit::new();

        ve.set_comparator_name(DefaultCmp.id());
        ve.set_log_num(123);
        ve.set_next_file(456);
        ve.set_compact_pointer(0, &[0, 1, 2]);
        ve.set_compact_pointer(1, &[3, 4, 5]);
        ve.set_compact_pointer(2, &[6, 7, 8]);
        ve.add_file(
            0,
            FileMetaData {
                allowed_seeks: 12345,
                num: 901,
                size: 234,
                smallest: vec![5, 6, 7],
                largest: vec![8, 9, 0],
            },
        );
        ve.delete_file(1, 132);

        let encoded = ve.encode();

        let decoded = VersionEdit::decode_from(encoded.as_ref()).unwrap();

        assert_eq!(decoded.comparator, Some(DefaultCmp.id().to_string()));
        assert_eq!(decoded.log_number, Some(123));
        assert_eq!(decoded.next_file_number, Some(456));
        assert_eq!(decoded.compaction_ptrs.len(), 3);
        assert_eq!(
            decoded.compaction_ptrs[0],
            CompactionPointer {
                level: 0,
                key: vec![0, 1, 2],
            }
        );
        assert_eq!(
            decoded.compaction_ptrs[1],
            CompactionPointer {
                level: 1,
                key: vec![3, 4, 5],
            }
        );
        assert_eq!(
            decoded.compaction_ptrs[2],
            CompactionPointer {
                level: 2,
                key: vec![6, 7, 8],
            }
        );
        assert_eq!(decoded.new_files.len(), 1);
        assert_eq!(
            decoded.new_files[0],
            (
                0,
                FileMetaData {
                    allowed_seeks: 0,
                    num: 901,
                    size: 234,
                    smallest: vec![5, 6, 7],
                    largest: vec![8, 9, 0],
                }
            )
        );
        assert_eq!(decoded.deleted.len(), 1);
        assert!(decoded.deleted.contains(&(1, 132)));
    }