From b1ba58f3417728dfb768890eb1075c90a028d63a Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Fri, 13 Dec 2013 11:37:03 +0100
Subject: [PATCH] SDIFF iterator misuse bug regression test added.

See commit c00453d for more info about the bug.
---
 tests/unit/type/set.tcl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tests/unit/type/set.tcl b/tests/unit/type/set.tcl
index a77759e5..162de0af 100644
--- a/tests/unit/type/set.tcl
+++ b/tests/unit/type/set.tcl
@@ -214,6 +214,12 @@ start_server {
         r sdiff set1 set2 set3
     } {}
 
+    test "SDIFF with same set two times" {
+        r del set1
+        r sadd set1 a b c 1 2 3 4 5 6
+        r sdiff set1 set1
+    } {}
+
     test "SDIFF fuzzing" {
         for {set j 0} {$j < 100} {incr j} {
             unset -nocomplain s