36 lines
1.2 KiB
Rust
36 lines
1.2 KiB
Rust
extern crate env_logger;
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extern crate fatfs;
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extern crate fscommon;
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use std::io;
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use std::io::prelude::*;
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use fscommon::BufStream;
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const KB: u32 = 1024;
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const MB: u32 = KB * 1024;
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const TEST_STR: &str = "Hi there Rust programmer!\n";
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#[test]
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fn test_format() {
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let _ = env_logger::try_init();
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let storage_vec: Vec<u8> = Vec::with_capacity((8 * MB) as usize);
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let storage_cur = io::Cursor::new(storage_vec);
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let mut buffered_stream = BufStream::new(storage_cur);
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let mut opts: fatfs::FormatOptions = Default::default();
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opts.total_sectors = 8 * MB / 512;
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fatfs::format_volume(&mut buffered_stream, opts).expect("format volume");
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let fs = fatfs::FileSystem::new(buffered_stream, fatfs::FsOptions::new()).expect("open fs");
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let root_dir = fs.root_dir();
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let entries = root_dir.iter().map(|r| r.unwrap()).collect::<Vec<_>>();
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assert_eq!(entries.len(), 0);
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let mut file = root_dir.create_file("short.txt").expect("create file");
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file.truncate().expect("truncate file");
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file.write_all(&TEST_STR.as_bytes()).expect("write file");
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let entries = root_dir.iter().map(|r| r.unwrap()).collect::<Vec<_>>();
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assert_eq!(entries.len(), 1);
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}
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