From c32e21fc01f3aa50e421a10606c454846a8c9aed Mon Sep 17 00:00:00 2001
From: Nikita Ofitserov <himikof@gmail.com>
Date: Wed, 27 May 2015 00:49:50 +0300
Subject: [PATCH] Add a test for the 'env -' case

---
 test/env.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/test/env.rs b/test/env.rs
index a513d0f68..9be3165a8 100644
--- a/test/env.rs
+++ b/test/env.rs
@@ -35,6 +35,14 @@ fn test_ignore_environment() {
 
     let out = str::from_utf8(&po.stdout[..]).unwrap();
     assert_eq!(out, "");
+
+    let po = Command::new(PROGNAME)
+        .arg("-")
+        .output()
+        .unwrap_or_else(|err| panic!("{}", err));
+
+    let out = str::from_utf8(&po.stdout[..]).unwrap();
+    assert_eq!(out, "");
 }
 
 #[test]