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-rw-r--r--src/test/ui/command/command-current-dir.rs49
1 files changed, 49 insertions, 0 deletions
diff --git a/src/test/ui/command/command-current-dir.rs b/src/test/ui/command/command-current-dir.rs
new file mode 100644
index 000000000..91d8e4f38
--- /dev/null
+++ b/src/test/ui/command/command-current-dir.rs
@@ -0,0 +1,49 @@
+// run-pass
+// ignore-emscripten no processes
+// ignore-sgx no processes
+
+use std::env;
+use std::fs;
+use std::path::Path;
+use std::process::Command;
+
+fn main() {
+ // Checks the behavior of current_dir when used with a relative exe path.
+ let me = env::current_exe().unwrap();
+ if matches!(env::args().skip(1).next().as_deref(), Some("current-dir")) {
+ let cwd = env::current_dir().unwrap();
+ assert_eq!(cwd.file_name().unwrap(), "bar");
+ std::process::exit(0);
+ }
+ let exe = me.file_name().unwrap();
+ let cwd = me.parent().unwrap();
+ eprintln!("cwd={:?}", cwd);
+ // Change directory to where the exectuable is located, since this test
+ // fundamentally needs to use relative paths. In some cases (like
+ // remote-test-server), the current_dir can be somewhere else, so make
+ // sure it is something we can use. We assume we can write to this
+ // directory.
+ env::set_current_dir(&cwd).unwrap();
+ let foo = cwd.join("foo");
+ let bar = cwd.join("bar");
+ fs::create_dir_all(&foo).unwrap();
+ fs::create_dir_all(&bar).unwrap();
+ fs::copy(&me, foo.join(exe)).unwrap();
+
+ // Unfortunately this is inconsistent based on the platform, see
+ // https://github.com/rust-lang/rust/issues/37868. On Windows,
+ // it is relative *before* changing the directory, and on Unix
+ // it is *after* changing the directory.
+ let relative_exe = if cfg!(windows) {
+ Path::new("foo").join(exe)
+ } else {
+ Path::new("../foo").join(exe)
+ };
+
+ let status = Command::new(relative_exe)
+ .arg("current-dir")
+ .current_dir("bar")
+ .status()
+ .unwrap();
+ assert!(status.success());
+}