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