rust/tests/ui/alloc-error/default-alloc-error-hook.rs
2023-01-11 09:32:08 +00:00

29 lines
905 B
Rust

// run-pass
// ignore-emscripten no processes
// ignore-sgx no processes
use std::alloc::{Layout, handle_alloc_error};
use std::env;
use std::process::Command;
use std::str;
fn main() {
if env::args().len() > 1 {
handle_alloc_error(Layout::new::<[u8; 42]>())
}
let me = env::current_exe().unwrap();
let output = Command::new(&me).arg("next").output().unwrap();
assert!(!output.status.success(), "{:?} is a success", output.status);
let mut stderr = str::from_utf8(&output.stderr).unwrap();
// When running inside QEMU user-mode emulation, there will be an extra message printed by QEMU
// in the stderr whenever a core dump happens. Remove it before the check.
stderr = stderr
.strip_suffix("qemu: uncaught target signal 6 (Aborted) - core dumped\n")
.unwrap_or(stderr);
assert_eq!(stderr, "memory allocation of 42 bytes failed\n");
}