Handle float input to incr/decr, fixes petergoldsteinGH-165

History.md

@@ -4,6 +4,7 @@ Dalli Changelog
 HEAD
 =======
 
+- Coerce input to incr/decr to integer via #to\_i [#165]
 - Convert test suite to minitest/spec (crigor, #166)
 - Fix encoding issue with keys [#162]
 - Fix double namespacing with Rails and dalli\_store. [#160]

lib/dalli/client.rb

@@ -183,7 +183,7 @@ def flush(delay=0)
 
     ##
     # Incr adds the given amount to the counter on the memcached server.
-    # Amt must be a positive value.
+    # Amt must be a positive integer value.
     #
     # If default is nil, the counter must already exist or the operation
     # will fail and will return nil.  Otherwise this method will return
@@ -195,12 +195,12 @@ def flush(delay=0)
     def incr(key, amt=1, ttl=nil, default=nil)
       raise ArgumentError, "Positive values only: #{amt}" if amt < 0
       ttl ||= @options[:expires_in]
-      perform(:incr, key, amt, ttl, default)
+      perform(:incr, key, amt.to_i, ttl, default)
     end
 
     ##
     # Decr subtracts the given amount from the counter on the memcached server.
-    # Amt must be a positive value.
+    # Amt must be a positive integer value.
     #
     # memcached counters are unsigned and cannot hold negative values.  Calling
     # decr on a counter which is 0 will just return 0.
@@ -215,7 +215,7 @@ def incr(key, amt=1, ttl=nil, default=nil)
     def decr(key, amt=1, ttl=nil, default=nil)
       raise ArgumentError, "Positive values only: #{amt}" if amt < 0
       ttl ||= @options[:expires_in]
-      perform(:decr, key, amt, ttl, default)
+      perform(:decr, key, amt.to_i, ttl, default)
     end
 
     ##