spec/enumerable/sum_spec.rb in simple_stats-1.0.0 vs spec/enumerable/sum_spec.rb in simple_stats-1.1.0

@@ -21,7 +21,13 @@
         sum = data.sum
         sum.should       == expected
         sum.class.should == expected.class
       end
     end
+
+    it "calls map first if a block is given" do
+      f = Struct.new(:x)
+      data = [f.new(4), f.new(1), f.new(6)]
+      data.sum(&:x).should == 11
+    end
   end
 end
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