serde.rs

#![cfg(feature = "serde")]
extern crate arrayvec;
extern crate serde_test;

mod array_vec {
    use arrayvec::ArrayVec;

    use serde_test::{assert_de_tokens_error, assert_tokens, Token};

    #[test]
    fn test_ser_de_empty() {
        let vec = ArrayVec::<u32, 0>::new();

        assert_tokens(&vec, &[Token::Seq { len: Some(0) }, Token::SeqEnd]);
    }

    #[test]
    fn test_ser_de() {
        let mut vec = ArrayVec::<u32, 3>::new();
        vec.push(20);
        vec.push(55);
        vec.push(123);

        assert_tokens(
            &vec,
            &[
                Token::Seq { len: Some(3) },
                Token::U32(20),
                Token::U32(55),
                Token::U32(123),
                Token::SeqEnd,
            ],
        );
    }

    #[test]
    fn test_de_too_large() {
        assert_de_tokens_error::<ArrayVec<u32, 2>>(
            &[
                Token::Seq { len: Some(3) },
                Token::U32(13),
                Token::U32(42),
                Token::U32(68),
            ],
            "invalid length 3, expected an array with no more than 2 items",
        );
    }
}

mod array_string {
    use arrayvec::ArrayString;

    use serde_test::{assert_de_tokens_error, assert_tokens, Token};

    #[test]
    fn test_ser_de_empty() {
        let string = ArrayString::<0>::new();

        assert_tokens(&string, &[Token::Str("")]);
    }

    #[test]
    fn test_ser_de() {
        let string = ArrayString::<9>::from("1234 abcd")
            .expect("expected exact specified capacity to be enough");

        assert_tokens(&string, &[Token::Str("1234 abcd")]);
    }

    #[test]
    fn test_de_too_large() {
        assert_de_tokens_error::<ArrayString<2>>(
            &[Token::Str("afd")],
            "invalid length 3, expected a string no more than 2 bytes long",
        );
    }
}