rmp-serde 0.10.0

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, Value};
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);
}

#[test]
fn pass_bin8_into_bytebuf_regression_growing_buffer() {
    use serde::bytes::ByteBuf;

    // Try to deserialize large buf and a small buf
    let buf = [0x92, 0xc4, 0x04, 0x71, 0x75, 0x75, 0x78, 0xc4, 0x03, 0x62, 0x61, 0x72];
    let cur = Cursor::new(&buf[..]);

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

    assert_eq!((b"quux".to_vec(), b"bar".to_vec()), (large, small));
}

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

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

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

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

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

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

#[test]
fn pass_u64_value() {
    let buf = [0xcf, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff];
    let cur = Cursor::new(&buf[..]);

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

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

#[test]
fn pass_u32_value() {
    let buf = [0xce, 0xff, 0xff, 0xff, 0xff];
    let cur = Cursor::new(&buf[..]);

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

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

#[test]
fn pass_u16_value() {
    let buf = [0xcd, 0xff, 0xff];
    let cur = Cursor::new(&buf[..]);

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

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

#[test]
fn pass_u8_value() {
    let buf = [0xcc, 0xff];
    let cur = Cursor::new(&buf[..]);

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

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

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

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

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

#[test]
fn pass_i64_value() {
    let buf = [0xd3, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff];
    let cur = Cursor::new(&buf[..]);

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

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

#[test]
fn pass_i32_value() {
    let buf = [0xd2, 0x7f, 0xff, 0xff, 0xff];
    let cur = Cursor::new(&buf[..]);

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

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

#[test]
fn pass_i16_value() {
    let buf = [0xd1, 0x7f, 0xff];
    let cur = Cursor::new(&buf[..]);

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

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

#[test]
fn pass_i8_value() {
    let buf = [0xd0, 0x7f];
    let cur = Cursor::new(&buf[..]);

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

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

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

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

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

#[test]
fn pass_f32_value() {
    let buf = [0xca, 0x7f, 0x7f, 0xff, 0xff];
    let cur = Cursor::new(&buf[..]);

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

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

#[test]
fn pass_f64_value() {
    let buf = [0xcb, 0x40, 0x45, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00];
    let cur = Cursor::new(&buf[..]);

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

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

#[test]
fn pass_string_value() {
    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 = Deserialize::deserialize(&mut deserializer).unwrap();

    assert_eq!(Value(rmp::Value::String("le message".into())), actual);
}

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

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

    assert_eq!(Value(rmp::Value::Array(vec![Value::from(42).0, Value::from(100500).0])),
               actual);
}

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

    let mut deserializer = Deserializer::new(cur);
    let actual = Deserialize::deserialize(&mut deserializer).unwrap();
    assert_eq!(Value::from(31), actual);
}

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

    let mut deserializer = Deserializer::new(cur);
    let actual = Deserialize::deserialize(&mut deserializer).unwrap();
    assert_eq!(Value(rmp::Value::Nil), actual);
}

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

    let mut deserializer = Deserializer::new(cur);
    let actual = Deserialize::deserialize(&mut deserializer).unwrap();
    assert_eq!(Value(rmp::Value::Array(vec![Value::from(0).0, Value::from(128).0])),
               actual);
}

#[test]
fn pass_map_value() {
    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 = Deserialize::deserialize(&mut deserializer).unwrap();
    let expected = Value(rmp::Value::Map(vec![
        (Value(rmp::Value::String("int".into())).0, Value::from(128).0),
        (Value(rmp::Value::String("key".into())).0, Value::from(42).0),
    ]));

    assert_eq!(expected, actual);
}

// TODO: Merge three of them.
#[test]
fn pass_bin8_into_bytebuf_value() {
    let buf = [0xc4, 0x02, 0xcc, 0x80];
    let cur = Cursor::new(&buf[..]);

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

    assert_eq!(Value(rmp::Value::Binary(vec![0xcc, 0x80])), actual)
}

#[test]
fn pass_bin16_into_bytebuf_value() {
    let buf = [0xc5, 0x00, 0x02, 0xcc, 0x80];
    let cur = Cursor::new(&buf[..]);

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

    assert_eq!(Value(rmp::Value::Binary(vec![0xcc, 0x80])), actual);
}

#[test]
fn pass_bin32_into_bytebuf_value() {
    let buf = [0xc6, 0x00, 0x00, 0x00, 0x02, 0xcc, 0x80];
    let cur = Cursor::new(&buf[..]);

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

    assert_eq!(Value(rmp::Value::Binary(vec![0xcc, 0x80])), actual);
}