From 2724ec6d9d412766526e0e880cfd9ee864b98c97 Mon Sep 17 00:00:00 2001
From: Nick Elser <nick.elser@gmail.com>
Date: Mon, 13 Apr 2015 21:32:01 -0700
Subject: [PATCH] add another test case for the nil refresh case

---
 test/client_test.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/test/client_test.rb b/test/client_test.rb
index 478bc8d..717f182 100644
--- a/test/client_test.rb
+++ b/test/client_test.rb
@@ -216,6 +216,14 @@ module ClientTests
     # edge case with refresh lock in the middle
     assert_equal true, client.locked?(TEST_KEY)
 
+    client.clear(TEST_KEY)
+
+    assert_equal false, client.locked?(TEST_KEY)
+
+    client.refresh(TEST_KEY, lock2)
+
+    assert_equal true, client.locked?(TEST_KEY)
+
     client.unlock(TEST_KEY, lock2)
 
     # now finally unlocked