use crate::{buffer::BufferMut, BufferError};
#[test]
fn put_chunk_none() {
let mut vec = vec![];
vec.put_chunk(&[]).unwrap();
assert!(vec.is_empty());
}
#[test]
fn put_chunk_some() {
let mut vec = vec![];
vec.put_chunk(&[1, 2, 3]).unwrap();
assert_eq!(vec, [1, 2, 3]);
}
#[test]
fn put_chunk_append() {
let mut vec = vec![1, 2, 3];
vec.put_chunk(&[4, 5]).unwrap();
assert_eq!(vec, [1, 2, 3, 4, 5]);
}
#[test]
fn put_u8() {
let mut vec = vec![];
vec.put_u8(1).unwrap();
assert_eq!(vec, [1]);
}
#[test]
fn put_u16() {
let mut vec = vec![];
vec.put_u16(258).unwrap();
assert_eq!(vec, [1, 2]);
}
#[test]
fn put_u32() {
let mut vec = vec![];
vec.put_u32(16_909_060).unwrap();
assert_eq!(vec, [1, 2, 3, 4]);
}
#[test]
fn put_u64() {
let mut vec = vec![];
vec.put_u64(72_623_859_790_382_856).unwrap();
assert_eq!(vec, [1, 2, 3, 4, 5, 6, 7, 8]);
}
macro_rules! vec_tests {
($mod:ident, $len:literal) => {
mod $mod {
use crate::buffer::BufferMut;
#[test]
fn put_vec_empty() {
let mut vec = vec![];
vec.put_vec::<$len>(&[]).unwrap();
assert_eq!(vec, [0; $len]);
}
#[test]
fn put_vec() {
let mut vec = vec![];
vec.put_vec::<$len>(&[1, 2, 3]).unwrap();
assert_eq!(vec[..$len - 1], [0; $len - 1]);
assert_eq!(vec[$len - 1..], [3, 1, 2, 3]);
}
}
};
}
vec_tests!(vec_1, 1);
vec_tests!(vec_2, 2);
vec_tests!(vec_3, 3);
vec_tests!(vec_4, 4);
vec_tests!(vec_5, 5);
vec_tests!(vec_6, 6);
vec_tests!(vec_7, 7);
vec_tests!(vec_8, 8);
vec_tests!(vec_9, 9);
#[test]
fn put_vec_too_large() {
let mut vec = vec![];
let err = vec.put_vec::<2>(&[1; u16::MAX as usize + 1]).unwrap_err();
assert!(matches!(err, BufferError::VecTooLarge));
}