fn test_block_seek()

in common/rusty_leveldb_sgx/src/block.rs [433:488]

• 47 lines of code
• 2 McCabe index (conditional complexity)

    fn test_block_seek() {
        let mut o = options::for_test();
        o.block_restart_interval = 3;

        let data = get_data();
        let mut builder = BlockBuilder::new(o.clone());

        for &(k, v) in data.iter() {
            builder.add(k, v);
        }

        let block_contents = builder.finish();

        let mut block = Block::new(o.clone(), block_contents).iter();

        block.seek(&"prefix_key2".as_bytes());
        assert!(block.valid());
        assert_eq!(
            current_key_val(&block),
            Some((
                "prefix_key2".as_bytes().to_vec(),
                "value".as_bytes().to_vec()
            ))
        );

        block.seek(&"prefix_key0".as_bytes());
        assert!(block.valid());
        assert_eq!(
            current_key_val(&block),
            Some((
                "prefix_key1".as_bytes().to_vec(),
                "value".as_bytes().to_vec()
            ))
        );

        block.seek(&"key1".as_bytes());
        assert!(block.valid());
        assert_eq!(
            current_key_val(&block),
            Some(("key1".as_bytes().to_vec(), "value1".as_bytes().to_vec()))
        );

        block.seek(&"prefix_key3".as_bytes());
        assert!(block.valid());
        assert_eq!(
            current_key_val(&block),
            Some((
                "prefix_key3".as_bytes().to_vec(),
                "value".as_bytes().to_vec()
            ))
        );

        block.seek(&"prefix_key8".as_bytes());
        assert!(!block.valid());
        assert_eq!(current_key_val(&block), None);
    }