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51 lines
1.7 KiB
Rust
51 lines
1.7 KiB
Rust
// run-pass
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// ignore-emscripten no processes
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// ignore-sgx no processes
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// ignore-fuchsia Needs directory creation privilege
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use std::env;
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use std::fs;
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use std::path::Path;
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use std::process::Command;
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fn main() {
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// Checks the behavior of current_dir when used with a relative exe path.
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let me = env::current_exe().unwrap();
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if matches!(env::args().skip(1).next().as_deref(), Some("current-dir")) {
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let cwd = env::current_dir().unwrap();
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assert_eq!(cwd.file_name().unwrap(), "bar");
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std::process::exit(0);
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}
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let exe = me.file_name().unwrap();
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let cwd = me.parent().unwrap();
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eprintln!("cwd={:?}", cwd);
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// Change directory to where the executable is located, since this test
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// fundamentally needs to use relative paths. In some cases (like
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// remote-test-server), the current_dir can be somewhere else, so make
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// sure it is something we can use. We assume we can write to this
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// directory.
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env::set_current_dir(&cwd).unwrap();
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let foo = cwd.join("foo");
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let bar = cwd.join("bar");
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fs::create_dir_all(&foo).unwrap();
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fs::create_dir_all(&bar).unwrap();
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fs::copy(&me, foo.join(exe)).unwrap();
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// Unfortunately this is inconsistent based on the platform, see
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// https://github.com/rust-lang/rust/issues/37868. On Windows,
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// it is relative *before* changing the directory, and on Unix
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// it is *after* changing the directory.
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let relative_exe = if cfg!(windows) {
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Path::new("foo").join(exe)
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} else {
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Path::new("../foo").join(exe)
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};
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let status = Command::new(relative_exe)
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.arg("current-dir")
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.current_dir("bar")
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.status()
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.unwrap();
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assert!(status.success());
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}
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