rmp-serde 0.8.2

extern crate serde;
extern crate rmp;
extern crate rmp_serde;

use std::io::Cursor;
use std::result;

use serde::Deserialize;

use rmp::Marker;
use rmp_serde::Deserializer;
use rmp_serde::decode::Error;

type Result<T> = result::Result<T, Error>;

#[test]
fn pass_null() {
    let buf = [0xc0];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);

    assert_eq!((), Deserialize::deserialize(&mut deserializer).ok().unwrap());
}

#[test]
fn fail_null_from_reserved() {
    let buf = [0xc1];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);

    let res: Result<()> = Deserialize::deserialize(&mut deserializer);
    match res.err() {
        Some(Error::TypeMismatch(Marker::Reserved)) => (),
        other => panic!("unexpected result: {:?}", other)
    }
}

#[test]
fn pass_bool() {
    let buf = [0xc2, 0xc3];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);

    assert_eq!(false, Deserialize::deserialize(&mut deserializer).ok().unwrap());
    assert_eq!(true,  Deserialize::deserialize(&mut deserializer).ok().unwrap());
}

#[test]
fn fail_bool_from_fixint() {
    let buf = [0x00];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);

    let res: Result<bool> = Deserialize::deserialize(&mut deserializer);
    match res.err() {
        Some(Error::TypeMismatch(Marker::U64)) => (),
        other => panic!("unexpected result: {:?}", other)
    }
}

#[test]
fn pass_u64() {
    let buf = [0xcf, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);

    assert_eq!(18446744073709551615u64, Deserialize::deserialize(&mut deserializer).ok().unwrap());
}

#[test]
fn pass_u32() {
    let buf = [0xce, 0xff, 0xff, 0xff, 0xff];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);

    assert_eq!(4294967295u32, Deserialize::deserialize(&mut deserializer).ok().unwrap());
}

#[test]
fn fail_u32_from_u64() {
    let buf = [0xcf, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);

    let res: Result<u32> = Deserialize::deserialize(&mut deserializer);
    match res.err() {
        Some(Error::TypeMismatch(Marker::U64)) => (),
        other => panic!("unexpected result: {:?}", other)
    }
}

#[test]
fn pass_u16() {
    let buf = [0xcd, 0xff, 0xff];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);

    assert_eq!(65535u16, Deserialize::deserialize(&mut deserializer).ok().unwrap());
}

#[test]
fn pass_u8() {
    let buf = [0xcc, 0xff];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);

    assert_eq!(255u8, Deserialize::deserialize(&mut deserializer).ok().unwrap());
}

#[test]
fn pass_usize() {
    let buf = [0xcc, 0xff];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);

    assert_eq!(255usize, Deserialize::deserialize(&mut deserializer).ok().unwrap());
}

#[test]
fn pass_i64() {
    let buf = [0xd3, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);

    assert_eq!(9223372036854775807i64, Deserialize::deserialize(&mut deserializer).ok().unwrap());
}

#[test]
fn pass_i32() {
    let buf = [0xd2, 0x7f, 0xff, 0xff, 0xff];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);

    assert_eq!(2147483647i32, Deserialize::deserialize(&mut deserializer).ok().unwrap());
}

#[test]
fn pass_i16() {
    let buf = [0xd1, 0x7f, 0xff];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);

    assert_eq!(32767i16, Deserialize::deserialize(&mut deserializer).ok().unwrap());
}

#[test]
fn pass_i8() {
    let buf = [0xd0, 0x7f];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);

    assert_eq!(127i8, Deserialize::deserialize(&mut deserializer).unwrap());
}

#[test]
fn pass_isize() {
    let buf = [0xd0, 0x7f];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);

    assert_eq!(127isize, Deserialize::deserialize(&mut deserializer).unwrap());
}

#[test]
fn pass_f32() {
    let buf = [0xca, 0x7f, 0x7f, 0xff, 0xff];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);

    assert_eq!(3.4028234e38_f32, Deserialize::deserialize(&mut deserializer).unwrap());
}

#[test]
fn pass_f64() {
    let buf = [0xcb, 0x40, 0x45, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);

    assert_eq!(42f64, Deserialize::deserialize(&mut deserializer).unwrap());
}

#[test]
fn pass_string() {
    let buf = [0xaa, 0x6c, 0x65, 0x20, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);
    let actual: String = Deserialize::deserialize(&mut deserializer).unwrap();

    assert_eq!("le message".to_string(), actual);
}

#[test]
fn pass_tuple() {
    let buf = [0x92, 0x2a, 0xce, 0x0, 0x1, 0x88, 0x94];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);
    let actual: (u32, u32) = Deserialize::deserialize(&mut deserializer).unwrap();

    assert_eq!((42, 100500), actual);
}

#[test]
fn fail_tuple_len_mismatch() {
    let buf = [0x92, 0x2a, 0xce, 0x0, 0x1, 0x88, 0x94];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);
    let actual: Result<(u32,)> = Deserialize::deserialize(&mut deserializer);

    match actual.err() {
        Some(Error::LengthMismatch(2)) => (),
        other => panic!("unexpected result: {:?}", other)
    }
}

#[test]
fn pass_option_some() {
    let buf = [0x1f];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);
    let actual: Option<u8> = Deserialize::deserialize(&mut deserializer).unwrap();
    assert_eq!(Some(31), actual);
}

#[test]
fn pass_option_none() {
    let buf = [0xc0];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);
    let actual: Option<u8> = Deserialize::deserialize(&mut deserializer).unwrap();
    assert_eq!(None, actual);
}

#[test]
fn fail_option_u8_from_reserved() {
    let buf = [0xc1];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);
    let actual: Result<Option<u8>> = Deserialize::deserialize(&mut deserializer);
    match actual.err() {
        Some(Error::TypeMismatch(Marker::Reserved)) => (),
        other => panic!("unexpected result: {:?}", other)
    }
}

#[test]
fn pass_vector() {
    let buf = [0x92, 0x00, 0xcc, 0x80];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);
    let actual: Vec<u8> = Deserialize::deserialize(&mut deserializer).unwrap();
    assert_eq!(vec![0, 128], actual);
}

#[test]
fn pass_map() {
    use std::collections::HashMap;

    let buf = [
        0x82, // 2 (size)
        0xa3, 0x69, 0x6e, 0x74, // 'int'
        0xcc, 0x80, // 128
        0xa3, 0x6b, 0x65, 0x79, // 'key'
        0x2a // 42
    ];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);
    let actual: HashMap<String, u8> = Deserialize::deserialize(&mut deserializer).unwrap();
    let mut expected = HashMap::new();
    expected.insert("int".to_string(), 128);
    expected.insert("key".to_string(), 42);

    assert_eq!(expected, actual);
}

// TODO: Merge three of them.
#[test]
fn pass_bin8_into_bytebuf() {
    use serde::bytes::ByteBuf;

    let buf = [0xc4, 0x02, 0xcc, 0x80];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);
    let actual: ByteBuf = Deserialize::deserialize(&mut deserializer).unwrap();
    let actual: Vec<u8> = actual.into();

    assert_eq!(vec![0xcc, 0x80], actual);
}

#[test]
fn pass_bin16_into_bytebuf() {
    use serde::bytes::ByteBuf;

    let buf = [0xc5, 0x00, 0x02, 0xcc, 0x80];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);
    let actual: ByteBuf = Deserialize::deserialize(&mut deserializer).unwrap();
    let actual: Vec<u8> = actual.into();

    assert_eq!(vec![0xcc, 0x80], actual);
}

#[test]
fn pass_bin32_into_bytebuf() {
    use serde::bytes::ByteBuf;

    let buf = [0xc6, 0x00, 0x00, 0x00, 0x02, 0xcc, 0x80];
    let cur = Cursor::new(&buf[..]);

    let mut deserializer = Deserializer::new(cur);
    let actual: ByteBuf = Deserialize::deserialize(&mut deserializer).unwrap();
    let actual: Vec<u8> = actual.into();

    assert_eq!(vec![0xcc, 0x80], actual);
}