testdata_rt/
test_input.rs

1use std::convert::Infallible;
2use std::error::Error;
3use std::str::{self, Utf8Error};
4
5pub trait TestInput: Sized {
6    type Err: Error;
7    fn try_read_from(data: &[u8]) -> Result<Self, Self::Err>;
8    fn read_from(data: &[u8]) -> Self {
9        Self::try_read_from(data).unwrap()
10    }
11}
12
13impl<T> TestInput for Box<T>
14where
15    T: TestInput,
16{
17    type Err = T::Err;
18    fn try_read_from(data: &[u8]) -> Result<Self, Self::Err> {
19        let value = T::try_read_from(data)?;
20        Ok(Box::new(value))
21    }
22}
23
24impl TestInput for Vec<u8> {
25    type Err = Infallible;
26    fn try_read_from(data: &[u8]) -> Result<Self, Self::Err> {
27        Ok(data.to_owned())
28    }
29}
30
31impl TestInput for String {
32    type Err = Utf8Error;
33    fn try_read_from(data: &[u8]) -> Result<Self, Self::Err> {
34        let s = str::from_utf8(data)?;
35        Ok(s.to_owned())
36    }
37}
testdata_rt/test_input.rs

testdata_rt/
test_input.rs
