Files
wasmtime/crates/test-programs/wasi-tests/src/bin/isatty.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

45 lines
1.2 KiB
Rust

use more_asserts::assert_gt;
use std::{env, process};
use wasi_tests::open_scratch_directory;
unsafe fn test_isatty(dir_fd: wasi::Fd) {
// Create a file in the scratch directory and test if it's a tty.
let file_fd =
wasi::path_open(dir_fd, 0, "file", wasi::OFLAGS_CREAT, 0, 0, 0).expect("opening a file");
assert_gt!(
file_fd,
libc::STDERR_FILENO as wasi::Fd,
"file descriptor range check",
);
assert_eq!(
libc::isatty(file_fd as std::os::raw::c_int),
0,
"file is a tty"
);
wasi::fd_close(file_fd).expect("closing a file");
wasi::path_unlink_file(dir_fd, "file").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_isatty(dir_fd) }
}