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#![cfg(feature = "borsh")]
use std::fmt;
extern crate arrayvec;
extern crate borsh;
fn assert_ser<T: borsh::BorshSerialize>(v: &T, expected_bytes: &[u8]) {
let mut actual_bytes = Vec::new();
v.serialize(&mut actual_bytes).unwrap();
assert_eq!(actual_bytes, expected_bytes);
}
fn assert_roundtrip<T: borsh::BorshSerialize + borsh::BorshDeserialize + PartialEq + fmt::Debug>(v: &T) {
let mut bytes = Vec::new();
v.serialize(&mut bytes).unwrap();
let v_de = T::try_from_slice(&bytes).unwrap();
assert_eq!(*v, v_de);
}
mod array_vec {
use arrayvec::ArrayVec;
use super::{assert_ser, assert_roundtrip};
#[test]
fn test_empty() {
let vec = ArrayVec::<u32, 0>::new();
assert_ser(&vec, b"\0\0\0\0");
assert_roundtrip(&vec);
}
#[test]
fn test_full() {
let mut vec = ArrayVec::<u32, 3>::new();
vec.push(0xdeadbeef);
vec.push(0x123);
vec.push(0x456);
assert_ser(&vec, b"\x03\0\0\0\xef\xbe\xad\xde\x23\x01\0\0\x56\x04\0\0");
assert_roundtrip(&vec);
}
#[test]
fn test_with_free_capacity() {
let mut vec = ArrayVec::<u32, 3>::new();
vec.push(0xdeadbeef);
assert_ser(&vec, b"\x01\0\0\0\xef\xbe\xad\xde");
assert_roundtrip(&vec);
}
}
mod array_string {
use arrayvec::ArrayString;
use super::{assert_ser, assert_roundtrip};
#[test]
fn test_empty() {
let string = ArrayString::<0>::new();
assert_ser(&string, b"\0\0\0\0");
assert_roundtrip(&string);
}
#[test]
fn test_full() {
let string = ArrayString::from_byte_string(b"hello world").unwrap();
assert_ser(&string, b"\x0b\0\0\0hello world");
assert_roundtrip(&string);
}
#[test]
fn test_with_free_capacity() {
let string = ArrayString::<16>::from("hello world").unwrap();
assert_ser(&string, b"\x0b\0\0\0hello world");
assert_roundtrip(&string);
}
}