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33 lines
1.6 KiB
Rust
33 lines
1.6 KiB
Rust
// { "preopens": { "/fixture": "fixture" } }
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use std::io::Seek;
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fn main() {
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let mut file = std::fs::File::open("/fixture/file").unwrap();
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assert_eq!(file.seek(std::io::SeekFrom::Current(0)).unwrap(), 0);
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assert_eq!(file.seek(std::io::SeekFrom::Start(1)).unwrap(), 1);
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assert_eq!(file.seek(std::io::SeekFrom::Start(2)).unwrap(), 2);
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assert_eq!(file.seek(std::io::SeekFrom::Start(3)).unwrap(), 3);
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assert_eq!(file.seek(std::io::SeekFrom::Start(4)).unwrap(), 4);
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assert_eq!(file.seek(std::io::SeekFrom::Start(5)).unwrap(), 5);
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assert_eq!(file.seek(std::io::SeekFrom::Current(-1)).unwrap(), 4);
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assert_eq!(file.seek(std::io::SeekFrom::Current(-1)).unwrap(), 3);
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assert_eq!(file.seek(std::io::SeekFrom::Current(-1)).unwrap(), 2);
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assert_eq!(file.seek(std::io::SeekFrom::Current(-1)).unwrap(), 1);
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assert_eq!(file.seek(std::io::SeekFrom::Current(-1)).unwrap(), 0);
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assert_eq!(file.seek(std::io::SeekFrom::Current(1)).unwrap(), 1);
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assert_eq!(file.seek(std::io::SeekFrom::Current(1)).unwrap(), 2);
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assert_eq!(file.seek(std::io::SeekFrom::Current(1)).unwrap(), 3);
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assert_eq!(file.seek(std::io::SeekFrom::Current(1)).unwrap(), 4);
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assert_eq!(file.seek(std::io::SeekFrom::Current(1)).unwrap(), 5);
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assert_eq!(file.seek(std::io::SeekFrom::End(0)).unwrap(), 5);
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assert_eq!(file.seek(std::io::SeekFrom::End(-1)).unwrap(), 4);
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assert_eq!(file.seek(std::io::SeekFrom::End(-2)).unwrap(), 3);
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assert_eq!(file.seek(std::io::SeekFrom::End(-3)).unwrap(), 2);
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assert_eq!(file.seek(std::io::SeekFrom::End(-4)).unwrap(), 1);
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assert_eq!(file.seek(std::io::SeekFrom::End(-5)).unwrap(), 0);
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}
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