lib/amqp/client/properties.rb in amqp-client-0.2.3 vs lib/amqp/client/properties.rb in amqp-client-0.3.0

@@ -67,10 +67,11 @@
         arr << reply_to.bytesize << reply_to
         fmt << "Ca*"
       end
 
       if expiration
-        expiration.is_a?(String) || raise(ArgumentError, "expiration must be a string")
+        expiration = expiration.to_s if expiration.is_a?(Integer)
+        expiration.is_a?(String) || raise(ArgumentError, "expiration must be a string or integer")
 
         flags |= (1 << 8)
         arr << expiration.bytesize << expiration
         fmt << "Ca*"
       end