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//! Tests for the `Decode` trait.
use hex_literal::hex;
use ssh_encoding::{Decode, Error};
#[test]
fn decode_u8() {
let mut bytes = hex!("42").as_slice();
let ret = u8::decode(&mut bytes).unwrap();
assert_eq!(ret, 0x42u8);
}
#[test]
fn decode_u32() {
let mut bytes = hex!("DEADBEEF").as_slice();
let ret = u32::decode(&mut bytes).unwrap();
assert_eq!(ret, 0xDEADBEEFu32);
}
#[test]
fn decode_u64() {
let mut bytes = hex!("0000DEADBEEFCAFE").as_slice();
let ret = u64::decode(&mut bytes).unwrap();
assert_eq!(ret, 0xDEADBEEFCAFEu64);
}
#[test]
fn decode_usize() {
let mut bytes = hex!("000FFFFF").as_slice();
let ret = usize::decode(&mut bytes).unwrap();
assert_eq!(ret, 0xFFFFFusize);
}
/// `usize` decoder has a sanity limit of 0xFFFFF.
#[test]
fn reject_oversize_usize() {
let mut bytes = hex!("00100000").as_slice();
let err = usize::decode(&mut bytes).err().unwrap();
assert_eq!(err, Error::Overflow);
}
#[test]
fn decode_byte_slice() {
let mut bytes = hex!("000000076578616d706c65").as_slice();
let ret = <[u8; 7]>::decode(&mut bytes).unwrap();
assert_eq!(&ret, b"example");
}
#[cfg(feature = "alloc")]
#[test]
fn decode_byte_vec() {
let mut bytes = hex!("000000076578616d706c65").as_slice();
let ret = Vec::<u8>::decode(&mut bytes).unwrap();
assert_eq!(&ret, b"example");
}
#[cfg(feature = "alloc")]
#[test]
fn decode_string() {
let mut bytes = hex!("000000076578616d706c65").as_slice();
let ret = String::decode(&mut bytes).unwrap();
assert_eq!(&ret, "example");
}
#[cfg(feature = "alloc")]
#[test]
fn decode_string_vec() {
let mut bytes = hex!("0000001500000003666f6f000000036261720000000362617a").as_slice();
let ret = Vec::<String>::decode(&mut bytes).unwrap();
assert_eq!(ret.len(), 3);
assert_eq!(ret[0], "foo");
assert_eq!(ret[1], "bar");
assert_eq!(ret[2], "baz");
}
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