[rustc.git] / src / test / ui / alloc-error / default-alloc-error-hook.rs

// 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");
}
Commit	Line	Data
416331ca	1	// run-pass
8faf50e0	2	// ignore-emscripten no processes
48663c56	3	// ignore-sgx no processes
8faf50e0 XL	4
	5	use std::alloc::{Layout, handle_alloc_error};
	6	use std::env;
	7	use std::process::Command;
	8	use std::str;
	9
	10	fn main() {
	11	if env::args().len() > 1 {
	12	handle_alloc_error(Layout::new::<[u8; 42]>())
	13	}
	14
	15	let me = env::current_exe().unwrap();
	16	let output = Command::new(&me).arg("next").output().unwrap();
	17	assert!(!output.status.success(), "{:?} is a success", output.status);
2b03887a FG	18
	19	let mut stderr = str::from_utf8(&output.stderr).unwrap();
	20
	21	// When running inside QEMU user-mode emulation, there will be an extra message printed by QEMU
	22	// in the stderr whenever a core dump happens. Remove it before the check.
	23	stderr = stderr
	24	.strip_suffix("qemu: uncaught target signal 6 (Aborted) - core dumped\n")
	25	.unwrap_or(stderr);
	26
	27	assert_eq!(stderr, "memory allocation of 42 bytes failed\n");
8faf50e0	28	}