#![allow(clippy::unwrap_used, clippy::expect_used)]
use std::io::{Read, Seek, SeekFrom};
use std::path::PathBuf;
use vhd::VhdReader;
fn corpus_dir() -> Option<PathBuf> {
std::env::var("CORPUS_DIR").ok().map(PathBuf::from)
}
#[test]
fn corpus_dynamic_vhd_opens_and_has_nonzero_size() {
let Some(dir) = corpus_dir() else { return };
let path = dir.join("dynamic.vhd");
if !path.exists() {
return;
}
let reader = VhdReader::open(&path).expect("open dynamic.vhd");
assert!(
reader.virtual_disk_size() > 0,
"virtual_disk_size must be > 0"
);
}
#[test]
fn corpus_dynamic_vhd_read_is_stable() {
let Some(dir) = corpus_dir() else { return };
let path = dir.join("dynamic.vhd");
if !path.exists() {
return;
}
let mut reader = VhdReader::open(&path).expect("open");
let mut buf = [0u8; 512];
reader.seek(SeekFrom::Start(0)).expect("seek");
reader.read_exact(&mut buf).expect("read sector 0");
assert_eq!(
buf, [0u8; 512],
"sector 0 of an empty dynamic VHD must be all zeros"
);
}
#[test]
fn corpus_fixed_vhd_opens_and_has_nonzero_size() {
let Some(dir) = corpus_dir() else { return };
let path = dir.join("fixed.vhd");
if !path.exists() {
return;
}
let reader = VhdReader::open(&path).expect("open fixed.vhd");
assert!(
reader.virtual_disk_size() > 0,
"virtual_disk_size must be > 0"
);
}
#[test]
fn dynamic_fixture_reports_dynamic_disk_type() {
let path = format!(
"{}/minimal.vhd",
concat!(env!("CARGO_MANIFEST_DIR"), "/tests/data")
);
let reader = vhd::VhdReader::open(std::path::Path::new(&path)).expect("open");
assert_eq!(reader.disk_type(), vhd::DiskType::Dynamic);
}