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Add unit test for InputFileReader

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sharkdp 2018-10-07 12:29:38 +02:00 committed by David Peter
parent e09d7dabb8
commit 078228deac
1 changed files with 27 additions and 0 deletions
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27
src/inputfile.rs
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@ -45,3 +45,30 @@ impl<'a> InputFile<'a> {
}
}
}
#[test]
fn basic() {
let content = b"hello\nworld";
let mut reader = InputFileReader::new(&content[..]);
let mut buffer = vec![];
let res = reader.read_line(&mut buffer);
assert!(res.is_ok());
assert_eq!(true, res.unwrap());
assert_eq!(b"hello\n", &buffer[..]);
buffer.clear();
let res = reader.read_line(&mut buffer);
assert!(res.is_ok());
assert_eq!(true, res.unwrap());
assert_eq!(b"world", &buffer[..]);
buffer.clear();
let res = reader.read_line(&mut buffer);
assert!(res.is_ok());
assert_eq!(false, res.unwrap());
assert!(buffer.is_empty());
}