Files
wasmtime/crates/test-programs/wasi-tests/src/bin/symlink_loop.rs
Jakub Konka 51f3ac0c45 Update WASI tests to use wasi crate v0.9.0 (#743)
This commit updates _all_ WASI test programs to use the latest
version of the `wasi` crate (`v0.9.0`). While at it, it also
unifies asserting error conditions across all test programs.
2019-12-24 13:04:14 -08:00

43 lines
1.1 KiB
Rust

use std::{env, process};
use wasi_tests::open_scratch_directory;
unsafe fn test_symlink_loop(dir_fd: wasi::Fd) {
// Create a self-referencing symlink.
wasi::path_symlink("symlink", dir_fd, "symlink").expect("creating a symlink");
// Try to open it.
assert_eq!(
wasi::path_open(dir_fd, 0, "symlink", 0, 0, 0, 0)
.expect_err("opening a self-referencing symlink")
.raw_error(),
wasi::ERRNO_LOOP,
"errno should be ERRNO_LOOP",
);
// Clean up.
wasi::path_unlink_file(dir_fd, "symlink").expect("removing a file");
}
fn main() {
let mut args = env::args();
let prog = args.next().unwrap();
let arg = if let Some(arg) = args.next() {
arg
} else {
eprintln!("usage: {} <scratch directory>", prog);
process::exit(1);
};
// Open scratch directory
let dir_fd = match open_scratch_directory(&arg) {
Ok(dir_fd) => dir_fd,
Err(err) => {
eprintln!("{}", err);
process::exit(1)
}
};
// Run the tests.
unsafe { test_symlink_loop(dir_fd) }
}