nbt-rust/shen-nbt5/src/tests.rs

79 lines
2.1 KiB
Rust

use crate::{NbtReader, NbtValue};
/// 生成测试数据
pub fn gen_datas(len: usize) -> Vec<u8> {
let mut datas = Vec::with_capacity(len);
for i in 0..len {
datas.push(i as u8);
}
datas
}
#[test]
fn basic_init() {
let mut data = vec![0x01, 0x02, 0x03, 0x04];
let reader = NbtReader::new(&mut data);
assert_eq!(reader.cursor, 0);
let same_data = vec![0x01, 0x02, 0x03, 0x04];
assert_eq!(reader.data, &same_data);
}
#[test]
fn read_i8() {
let mut data = vec![0x01, 0x02, 0x03, 0x04];
let mut reader = NbtReader::new(&mut data);
assert_eq!(reader.read_i8(), 0x01);
assert_eq!(reader.cursor, 1);
assert_eq!(reader.read_i8(), 0x02);
assert_eq!(reader.cursor, 2);
}
#[test]
fn read_one_bytes() {
let mut data = vec![0x01, 0x02];
let mut reader = NbtReader::new(&mut data);
assert_eq!(reader.read_u8(), 0x01);
assert_eq!(reader.cursor, 1);
assert_eq!(reader.read_u8(), 0x02);
assert_eq!(reader.cursor, 2);
}
#[test]
fn read_data_safe() {
let mut data = vec![0x01, 0x02, 0x03, 0x04];
let mut reader = NbtReader::new(&mut data);
assert_eq!(reader.read_u8(), 0x00);
assert_eq!(reader.cursor, 1);
assert_eq!(reader.read_i8(), 0x01);
assert_eq!(reader.cursor, 2);
assert_eq!(reader.read_u8(), 0x02);
assert_eq!(reader.cursor, 3);
}
#[test]
fn read_array() {
let mut data = vec![0x01, 0x02, 0x03, 0x04];
let mut reader = NbtReader::new(&mut data);
assert_eq!(reader.read_u8_array(2), &[0x01, 0x02]);
assert_eq!(reader.cursor, 2);
assert_eq!(reader.read_i8_array(2), &[0x03, 0x04]);
assert_eq!(reader.cursor, 4);
}
#[test]
fn read_int_array() {
let mut value = 1234567890_i32.to_be_bytes();
let mut reader = NbtReader::new(&mut value);
assert_eq!(reader.read_i32_array_unchecked(1), &[1234567890_i32]);
assert_eq!(reader.cursor, 4);
}
#[test]
fn read_long_array() {
let mut value = 1234567890_i64.to_be_bytes();
let mut reader = NbtReader::new(&mut value);
assert_eq!(reader.read_i64_array(1), &[1234567890_i64]);
assert_eq!(reader.cursor, 8);
}