1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/inherit-env.rs b/tests/ui/inherit-env.rs
new file mode 100644
index 000000000..e29fa04bb
--- /dev/null
+++ b/tests/ui/inherit-env.rs
@@ -0,0 +1,26 @@
+// run-pass
+// ignore-emscripten
+// ignore-wasm32
+// ignore-sgx no processes
+
+use std::env;
+use std::process::Command;
+
+fn main() {
+    if env::args().nth(1).map(|s| s == "print").unwrap_or(false) {
+        for (k, v) in env::vars() {
+            println!("{}={}", k, v);
+        }
+        return
+    }
+
+    let me = env::current_exe().unwrap();
+    let result = Command::new(me).arg("print").output().unwrap();
+    let output = String::from_utf8(result.stdout).unwrap();
+
+    for (k, v) in env::vars() {
+        assert!(output.contains(&format!("{}={}", k, v)),
+                "output doesn't contain `{}={}`\n{}",
+                k, v, output);
+    }
+}