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