fn test_version_overlapping_inputs()

in common/rusty_leveldb_sgx/src/version.rs [879:917]

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

    fn test_version_overlapping_inputs() {
        let v = make_version().0;

        {
            // Range is expanded in overlapping level-0 files.
            let from = LookupKey::new("aab".as_bytes(), MAX_SEQUENCE_NUMBER);
            let to = LookupKey::new("aae".as_bytes(), 0);
            let r = v.overlapping_inputs(0, from.internal_key(), to.internal_key());
            assert_eq!(r.len(), 2);
            assert_eq!(r[0].borrow().num, 1);
            assert_eq!(r[1].borrow().num, 2);
        }
        {
            let from = LookupKey::new("cab".as_bytes(), MAX_SEQUENCE_NUMBER);
            let to = LookupKey::new("cbx".as_bytes(), 0);
            // expect one file.
            let r = v.overlapping_inputs(1, from.internal_key(), to.internal_key());
            assert_eq!(r.len(), 1);
            assert_eq!(r[0].borrow().num, 3);
        }
        {
            let from = LookupKey::new("cab".as_bytes(), MAX_SEQUENCE_NUMBER);
            let to = LookupKey::new("ebx".as_bytes(), 0);
            let r = v.overlapping_inputs(1, from.internal_key(), to.internal_key());
            // Assert that correct number of files and correct files were returned.
            assert_eq!(r.len(), 3);
            assert_eq!(r[0].borrow().num, 3);
            assert_eq!(r[1].borrow().num, 4);
            assert_eq!(r[2].borrow().num, 5);
        }
        {
            let from = LookupKey::new("hhh".as_bytes(), MAX_SEQUENCE_NUMBER);
            let to = LookupKey::new("ijk".as_bytes(), 0);
            let r = v.overlapping_inputs(2, from.internal_key(), to.internal_key());
            assert_eq!(r.len(), 0);
            let r = v.overlapping_inputs(1, from.internal_key(), to.internal_key());
            assert_eq!(r.len(), 0);
        }
    }