66 lines
1.4 KiB
Rust
66 lines
1.4 KiB
Rust
use super::Cursor;
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use rmp::decode::*;
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#[test]
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fn pass() {
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let buf = [0xc0];
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let mut cur = Cursor::new(&buf[..]);
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assert_eq!((), read_nil(&mut cur).unwrap());
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assert_eq!(1, cur.position());
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}
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#[test]
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fn fail_invalid_marker() {
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let buf = [0xc1];
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let mut cur = Cursor::new(&buf[..]);
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match read_nil(&mut cur) {
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Err(ValueReadError::TypeMismatch(..)) => (),
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other => panic!("unexpected result: {other:?}"),
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}
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assert_eq!(1, cur.position());
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}
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#[test]
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fn fail_unexpected_eof() {
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let buf = [];
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let mut cur = Cursor::new(&buf[..]);
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read_nil(&mut cur).err().unwrap();
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assert_eq!(0, cur.position());
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}
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#[test]
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#[cfg(feature = "std")]
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fn interrupt_safe() {
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use std::io::{Error, ErrorKind, Read};
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struct MockRead { state_: u8 }
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impl MockRead {
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fn state(&self) -> u8 { self.state_ }
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}
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impl Read for MockRead {
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fn read(&mut self, buf: &mut [u8]) -> Result<usize, Error> {
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if self.state_ == 0 {
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self.state_ = 1;
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Err(Error::new(ErrorKind::Interrupted, "interrupted"))
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} else {
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assert!(!buf.is_empty());
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buf[0] = 0xc0;
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Ok(1)
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}
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}
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}
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let mut cur = MockRead { state_: 0 };
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// The function is interruption-safe, the first read should succeed.
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read_nil(&mut cur).unwrap();
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assert_eq!(1, cur.state());
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}
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