1 files changed, 57 insertions, 0 deletions
diff --git a/tests/ui-fulldeps/std/issue-15149.rs b/tests/ui-fulldeps/std/issue-15149.rs
new file mode 100644
index 000000000..064472f57
--- /dev/null
+++ b/tests/ui-fulldeps/std/issue-15149.rs
@@ -0,0 +1,57 @@
+// run-pass
+
+#![allow(unused_variables)]
+// no-prefer-dynamic
+// ignore-cross-compile
+
+use std::env;
+use std::ffi::OsStr;
+use std::fs;
+use std::path::PathBuf;
+use std::process;
+use std::str;
+
+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.
+        let my_path = env::current_exe().unwrap();
+        return assert_eq!(my_path.file_stem(), Some(OsStr::new("mytest")));
+    }
+
+    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(),
+        "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()
+    );
+}