lanzaboote/rust/uefi/pio/tests/read_write.rs

94 lines
3.0 KiB
Rust

use std::{
convert::Infallible,
io::{stdout, Cursor, Write},
};
use cpio::NewcReader;
use pio::writer::Cpio;
/*
* This test is not used in practice,
* because this is a interactive debugging test.
* Use it as a model to investigate issues.
*
* #[test]
fn visual_diagnose() {
let mut cpio = Cpio::<Infallible>::new();
let contents = vec![0xAA; 10];
let one_size = cpio.pack_one("test.txt", &contents, "", 0o000)
.expect("Failed to pack a file at the root directory");
let trailer_size = cpio.pack_trailer()
.expect("Failed to pack the trailer of the CPIO archive");
let data = cpio.into_inner();
stdout().write_all(data.as_slice().escape_ascii().collect::<Vec<u8>>().as_ref())
.expect("Failed to write the CPIO textual representation");
print!("\n");
let reader = NewcReader::new(Cursor::new(data)).expect("Failed to read the first entry");
let entry = reader.entry();
println!("entry: {}", entry.name());
assert_eq!(entry.name(), "/test.txt");
let reader = NewcReader::new(reader.finish().expect("To finish reading")).expect("Failed to read the trailer");
let entry = reader.entry();
println!("entry: {}", entry.name());
}
*/
#[test]
fn alignment() {
let mut cpio = Cpio::<Infallible>::new();
let contents = vec![0xAA; 10];
let one_size = cpio
.pack_one("test.txt", &contents, "", 0o000)
.expect("Failed to pack a file at the root directory");
let trailer_size = cpio
.pack_trailer()
.expect("Failed to pack the trailer of the CPIO archive");
assert!(
cpio.into_inner().len() % 4 == 0,
"CPIO is not aligned on a 4 bytes boundary!"
);
}
#[test]
fn write_read_prefix() {
let mut cpio = Cpio::<Infallible>::new();
let contents = vec![0xAA; 10];
cpio.pack_prefix("a/b/c/d/e/f", 0o600)
.expect("Failed to pack prefixes of a directory, including itself");
let data = cpio.into_inner();
stdout()
.write_all(data.as_slice().escape_ascii().collect::<Vec<u8>>().as_ref())
.expect("Failed to write the CPIO textual representation");
print!("\n");
let reader = NewcReader::new(Cursor::new(data)).expect("Failed to read the first entry");
let entry = reader.entry();
println!("entry: {}", entry.name());
assert_eq!(entry.name(), "/a");
let reader = NewcReader::new(reader.finish().expect("To finish reading"))
.expect("Failed to read the trailer");
let entry = reader.entry();
println!("entry: {}", "/a/b");
}
#[test]
fn write_read_basic() {
let mut cpio = Cpio::<Infallible>::new();
let contents = vec![0xAA; 10];
let one_size = cpio
.pack_one("test.txt", &contents, "", 0o000)
.expect("Failed to pack a file at the root directory");
let trailer_size = cpio
.pack_trailer()
.expect("Failed to pack the trailer of the CPIO archive");
assert!(
cpio.into_inner().len() % 4 == 0,
"CPIO is not aligned on a 4 bytes boundary!"
);
}