rust/tests/run-make/stdin-rustc/rmake.rs

27 lines
727 B
Rust

//! This test checks rustc `-` (stdin) support
use run_make_support::{is_windows, rustc, tmp_dir};
const HELLO_WORLD: &str = r#"
fn main() {
println!("Hello world!");
}
"#;
const NOT_UTF8: &[u8] = &[0xff, 0xff, 0xff];
fn main() {
let out_dir = tmp_dir();
// echo $HELLO_WORLD | rustc -
rustc().arg("-").stdin(HELLO_WORLD).run();
assert!(
out_dir.join(if !is_windows() { "rust_out" } else { "rust_out.exe" }).try_exists().unwrap()
);
// echo $NOT_UTF8 | rustc -
let output = rustc().arg("-").stdin(NOT_UTF8).run_fail();
let stderr = String::from_utf8(output.stderr).unwrap();
assert!(stderr.contains("error: couldn't read from stdin, as it did not contain valid UTF-8"));
}