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

@@ -22,7 +22,13 @@
         mean = data.mean
         mean.should       == expected
         mean.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.mean(&:x).should == 11 / 3.0
+    end
   end
 end
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