From 69525cb3c7890a92bc5ce9a3becf8de3f4be4d00 Mon Sep 17 00:00:00 2001
From: Laurentiu Nicola <lnicola@dend.ro>
Date: Tue, 23 May 2017 21:30:18 +0300
Subject: [PATCH] Add extra intersection test

---
 src/postings/mod.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/postings/mod.rs b/src/postings/mod.rs
index c1e83dd02..ca32219fd 100644
--- a/src/postings/mod.rs
+++ b/src/postings/mod.rs
@@ -394,6 +394,13 @@ mod tests {
             assert_eq!(intersection.doc(), 9);
             assert!(!intersection.advance());
         }
+        {
+            let a = VecPostings::from(vec![1, 3]);
+            let b = VecPostings::from(vec![1, 4]);
+            let c = VecPostings::from(vec![3, 9]);
+            let mut intersection = IntersectionDocSet::from(vec![a, b, c]);
+            assert!(!intersection.advance());
+        }
     }