fn test_compare_flags()

in mdb_shard/src/file_structs.rs [629:664]

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

    fn test_compare_flags() {
        let hash = simple_hash(42);
        let bool_cases = vec![false, true];
        // get 4 types of flags: 00, 01, 10, 11
        let cases = iproduct!(bool_cases.clone(), bool_cases)
            .map(|(has_validation, has_metadata_ext)| {
                FileDataSequenceHeader::new(hash, 5, has_validation, has_metadata_ext)
            })
            .collect_vec();
        // expected results from comparing these
        let expected = vec![
            SupersetResult::Equal,   // 00, 00
            SupersetResult::SuperB,  // 00, 01
            SupersetResult::SuperB,  // 00, 10
            SupersetResult::SuperB,  // 00, 11
            SupersetResult::SuperA,  // 01, 00
            SupersetResult::Equal,   // 01, 01
            SupersetResult::Neither, // 01, 10
            SupersetResult::SuperB,  // 01, 11
            SupersetResult::SuperA,  // 10, 00
            SupersetResult::Neither, // 10, 01
            SupersetResult::Equal,   // 10, 10
            SupersetResult::SuperB,  // 10, 11
            SupersetResult::SuperA,  // 11, 00
            SupersetResult::SuperA,  // 11, 01
            SupersetResult::SuperA,  // 11, 10
            SupersetResult::Equal,   // 11, 11
        ];

        let results = cases
            .iter()
            .flat_map(|a| cases.iter().map(|b| FileDataSequenceHeader::compare_flag_superset(a, b)))
            .collect_vec();

        assert_eq!(expected, results);
    }