Files
wasmtime/crates/test-programs/wasi-tests/src/bin/path_open_missing.rs
2021-01-27 18:10:38 -08:00

38 lines
926 B
Rust

use std::{env, process};
use wasi_tests::{assert_errno, open_scratch_directory};
unsafe fn test_path_open_missing(dir_fd: wasi::Fd) {
assert_errno!(
wasi::path_open(
dir_fd, 0, "file", 0, // not passing O_CREAT here
0, 0, 0,
)
.expect_err("trying to open a file that doesn't exist")
.raw_error(),
wasi::ERRNO_NOENT
);
}
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_path_open_missing(dir_fd) }
}