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// run-pass
#![allow(stable_features)]
// ignore-windows - this is a unix-specific test
// ignore-emscripten no processes
// ignore-sgx no processes
// ignore-fuchsia no execvp syscall provided
#![feature(process_exec)]
use std::env;
use std::os::unix::process::CommandExt;
use std::process::Command;
fn main() {
let mut args = env::args();
let me = args.next().unwrap();
if let Some(arg) = args.next() {
match &arg[..] {
"test1" => println!("passed"),
"exec-test1" => {
let err = Command::new(&me).arg("test1").exec();
panic!("failed to spawn: {}", err);
}
"exec-test2" => {
Command::new("/path/to/nowhere").exec();
println!("passed");
}
"exec-test3" => {
Command::new(&me).arg("bad\0").exec();
println!("passed");
}
"exec-test4" => {
Command::new(&me).current_dir("/path/to/nowhere").exec();
println!("passed");
}
"exec-test5" => {
env::set_var("VARIABLE", "ABC");
Command::new("definitely-not-a-real-binary").env("VARIABLE", "XYZ").exec();
assert_eq!(env::var("VARIABLE").unwrap(), "ABC");
println!("passed");
}
"exec-test6" => {
let err = Command::new("echo").arg("passed").env_clear().exec();
panic!("failed to spawn: {}", err);
}
"exec-test7" => {
let err = Command::new("echo").arg("passed").env_remove("PATH").exec();
panic!("failed to spawn: {}", err);
}
_ => panic!("unknown argument: {}", arg),
}
return
}
let output = Command::new(&me).arg("exec-test1").output().unwrap();
assert!(output.status.success());
assert!(output.stderr.is_empty());
assert_eq!(output.stdout, b"passed\n");
let output = Command::new(&me).arg("exec-test2").output().unwrap();
assert!(output.status.success());
assert!(output.stderr.is_empty());
assert_eq!(output.stdout, b"passed\n");
let output = Command::new(&me).arg("exec-test3").output().unwrap();
assert!(output.status.success());
assert!(output.stderr.is_empty());
assert_eq!(output.stdout, b"passed\n");
let output = Command::new(&me).arg("exec-test4").output().unwrap();
assert!(output.status.success());
assert!(output.stderr.is_empty());
assert_eq!(output.stdout, b"passed\n");
let output = Command::new(&me).arg("exec-test5").output().unwrap();
assert!(output.status.success());
assert!(output.stderr.is_empty());
assert_eq!(output.stdout, b"passed\n");
if cfg!(target_os = "linux") {
let output = Command::new(&me).arg("exec-test6").output().unwrap();
println!("{:?}", output);
assert!(output.status.success());
assert!(output.stderr.is_empty());
assert_eq!(output.stdout, b"passed\n");
let output = Command::new(&me).arg("exec-test7").output().unwrap();
println!("{:?}", output);
assert!(output.status.success());
assert!(output.stderr.is_empty());
assert_eq!(output.stdout, b"passed\n");
}
}
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