fn test_one_or_many_with_parens_deref()

in src/ast/mod.rs [9658:9715]

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

    fn test_one_or_many_with_parens_deref() {
        use core::ops::Index;

        let one = OneOrManyWithParens::One("a");

        assert_eq!(one.deref(), &["a"]);
        assert_eq!(<OneOrManyWithParens<_> as Deref>::deref(&one), &["a"]);

        assert_eq!(one[0], "a");
        assert_eq!(one.index(0), &"a");
        assert_eq!(
            <<OneOrManyWithParens<_> as Deref>::Target as Index<usize>>::index(&one, 0),
            &"a"
        );

        assert_eq!(one.len(), 1);
        assert_eq!(<OneOrManyWithParens<_> as Deref>::Target::len(&one), 1);

        let many1 = OneOrManyWithParens::Many(vec!["b"]);

        assert_eq!(many1.deref(), &["b"]);
        assert_eq!(<OneOrManyWithParens<_> as Deref>::deref(&many1), &["b"]);

        assert_eq!(many1[0], "b");
        assert_eq!(many1.index(0), &"b");
        assert_eq!(
            <<OneOrManyWithParens<_> as Deref>::Target as Index<usize>>::index(&many1, 0),
            &"b"
        );

        assert_eq!(many1.len(), 1);
        assert_eq!(<OneOrManyWithParens<_> as Deref>::Target::len(&many1), 1);

        let many2 = OneOrManyWithParens::Many(vec!["c", "d"]);

        assert_eq!(many2.deref(), &["c", "d"]);
        assert_eq!(
            <OneOrManyWithParens<_> as Deref>::deref(&many2),
            &["c", "d"]
        );

        assert_eq!(many2[0], "c");
        assert_eq!(many2.index(0), &"c");
        assert_eq!(
            <<OneOrManyWithParens<_> as Deref>::Target as Index<usize>>::index(&many2, 0),
            &"c"
        );

        assert_eq!(many2[1], "d");
        assert_eq!(many2.index(1), &"d");
        assert_eq!(
            <<OneOrManyWithParens<_> as Deref>::Target as Index<usize>>::index(&many2, 1),
            &"d"
        );

        assert_eq!(many2.len(), 2);
        assert_eq!(<OneOrManyWithParens<_> as Deref>::Target::len(&many2), 2);
    }