75 lines
2.1 KiB
Rust
75 lines
2.1 KiB
Rust
extern crate rustfat;
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use std::fs::File;
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use std::io::{BufReader, SeekFrom};
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use std::io::prelude::*;
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use std::str;
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use rustfat::FatFileSystem;
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const TEST_TEXT: &'static str = "Rust is cool!\n";
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fn test_img(name: &str) {
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let file = File::open(name).unwrap();
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let buf_rdr = BufReader::new(file);
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let mut fs = FatFileSystem::new(Box::new(buf_rdr)).unwrap();
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let mut root_dir = fs.root_dir();
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let entries = root_dir.list().unwrap();
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let names = entries.iter().map(|e| e.get_name()).collect::<Vec<String>>();
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assert_eq!(names, ["LONG.TXT", "SHORT.TXT", "VERY"]);
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// Try read again
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let entries = root_dir.list().unwrap();
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let names2 = entries.iter().map(|e| e.get_name()).collect::<Vec<String>>();
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assert_eq!(names2, names);
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{
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let mut short_file = entries[1].get_file();
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let mut buf = Vec::new();
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short_file.read_to_end(&mut buf).unwrap();
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assert_eq!(str::from_utf8(&buf).unwrap(), TEST_TEXT);
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short_file.seek(SeekFrom::Start(5)).unwrap();
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buf.clear();
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short_file.read_to_end(&mut buf).unwrap();
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assert_eq!(str::from_utf8(&buf).unwrap(), &TEST_TEXT[5..]);
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}
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{
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let mut long_file = entries[0].get_file();
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let mut buf = Vec::new();
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long_file.read_to_end(&mut buf).unwrap();
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assert_eq!(str::from_utf8(&buf).unwrap(), TEST_TEXT.repeat(1000));
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}
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{
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let mut root_dir = fs.root_dir();
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let mut dir = root_dir.get_dir("very/long/path/").unwrap();
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let entries = dir.list().unwrap();
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let names = entries.iter().map(|e| e.get_name()).collect::<Vec<String>>();
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assert_eq!(names, [".", "..", "TEST.TXT"]);
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}
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{
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let mut root_dir = fs.root_dir();
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let mut file = root_dir.get_file("very/long/path/test.txt").unwrap();
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let mut buf = Vec::new();
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file.read_to_end(&mut buf).unwrap();
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assert_eq!(str::from_utf8(&buf).unwrap(), TEST_TEXT);
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}
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}
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#[test]
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fn fat12() {
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test_img("resources/fat12.img");
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}
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#[test]
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fn fat16() {
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test_img("resources/fat16.img");
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}
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#[test]
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fn fat32() {
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test_img("resources/fat32.img");
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}
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