From 48f61ecbf93740359b62ad5326e70759e738d9e6 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Sun, 15 Sep 2013 00:54:32 -0400
Subject: [PATCH] iter: add the edge case tests for `range` too

---
 src/libstd/iter.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/libstd/iter.rs b/src/libstd/iter.rs
index 0903d6d0b23..07d2aeac627 100644
--- a/src/libstd/iter.rs
+++ b/src/libstd/iter.rs
@@ -2708,6 +2708,16 @@ mod tests {
         }
     }
 
+    #[test]
+    fn test_range() {
+        assert_eq!(range(0i, 5).collect::<~[int]>(), ~[0i, 1, 2, 3, 4]);
+        assert_eq!(range(0i, 5).invert().collect::<~[int]>(), ~[4, 3, 2, 1, 0]);
+        assert_eq!(range(200, -5).collect::<~[int]>(), ~[]);
+        assert_eq!(range(200, -5).invert().collect::<~[int]>(), ~[]);
+        assert_eq!(range(200, 200).collect::<~[int]>(), ~[]);
+        assert_eq!(range(200, 200).invert().collect::<~[int]>(), ~[]);
+    }
+
     #[test]
     fn test_range_inclusive() {
         assert_eq!(range_inclusive(0i, 5).collect::<~[int]>(), ~[0i, 1, 2, 3, 4, 5]);