| // run-pass |
| |
| #![allow(unused_variables)] |
| // no-prefer-dynamic |
| // ignore-cross-compile |
| |
| use std::env; |
| use std::fs; |
| use std::process; |
| use std::str; |
| use std::path::PathBuf; |
| |
| fn main() { |
| // If we're the child, make sure we were invoked correctly |
| let args: Vec<String> = env::args().collect(); |
| if args.len() > 1 && args[1] == "child" { |
| // FIXME: This should check the whole `args[0]` instead of just |
| // checking that it ends_with the executable name. This |
| // is needed because of Windows, which has a different behavior. |
| // See #15149 for more info. |
| return assert!(args[0].ends_with(&format!("mytest{}", |
| env::consts::EXE_SUFFIX))); |
| } |
| |
| test(); |
| } |
| |
| fn test() { |
| // If we're the parent, copy our own binary to a new directory. |
| let my_path = env::current_exe().unwrap(); |
| let my_dir = my_path.parent().unwrap(); |
| |
| let child_dir = PathBuf::from(env::var_os("RUST_TEST_TMPDIR").unwrap()); |
| let child_dir = child_dir.join("issue-15140-child"); |
| fs::create_dir_all(&child_dir).unwrap(); |
| |
| let child_path = child_dir.join(&format!("mytest{}", |
| env::consts::EXE_SUFFIX)); |
| fs::copy(&my_path, &child_path).unwrap(); |
| |
| // Append the new directory to our own PATH. |
| let path = { |
| let mut paths: Vec<_> = env::split_paths(&env::var_os("PATH").unwrap()).collect(); |
| paths.push(child_dir.to_path_buf()); |
| env::join_paths(paths).unwrap() |
| }; |
| |
| let child_output = process::Command::new("mytest").env("PATH", &path) |
| .arg("child") |
| .output().unwrap(); |
| |
| assert!(child_output.status.success(), |
| format!("child assertion failed\n child stdout:\n {}\n child stderr:\n {}", |
| str::from_utf8(&child_output.stdout).unwrap(), |
| str::from_utf8(&child_output.stderr).unwrap())); |
| } |