Update to ruby/spec@7a16e01

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67112 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/core/numeric/step_spec.rb

@@ -60,6 +60,11 @@ describe "Numeric#step" do
               enum.size.should == Float::INFINITY
             end
           end
+
+          it "defaults to an infinite size" do
+            enum = 1.step
+            enum.size.should == Float::INFINITY
+          end
         end
 
         describe "type" do