From 40788ebabde695b087a7d8918fc91de72a8068b4 Mon Sep 17 00:00:00 2001
From: Casey Rodarmor <casey@rodarmor.com>
Date: Sun, 23 Oct 2016 23:39:56 -0700
Subject: [PATCH] Add self_dependency test.

---
 src/tests.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/tests.rs b/src/tests.rs
index 8eb6745..03cad6c 100644
--- a/src/tests.rs
+++ b/src/tests.rs
@@ -292,6 +292,19 @@ fn circular_dependency() {
   });
 }
 
+#[test]
+fn self_dependency() {
+  let text = "a: a";
+  parse_error(text, Error {
+    text:   text,
+    index:  3,
+    line:   0,
+    column: 3,
+    width:  Some(1),
+    kind:   ErrorKind::CircularDependency{recipe: "a", circle: vec!["a", "a"]}
+  });
+}
+
 #[test]
 fn unknown_dependency() {
   let text = "a: b";