RASENN feat. kne

game.rb

@@ -39,7 +39,7 @@ def assert(demes)
       return "win"
     else
       deme = demes.combination(2).select{|a,b| a == b}.flatten
-      nokorideme = demes - deme
+      nokorideme = (demes - deme).first
 
       if nokorideme == 1
         return "deme1"

spec/game_spec.rb

@@ -2,21 +2,29 @@
 require_relative "../game.rb"
 
 describe Game do
+  let(:game){ Game.new }
+
   describe "#assert" do
     context "ひふみ" do
       it do
-        game = Game.new
-        hifumi = [3,2,1]
-        expect(game.assert(hifumi)).to eq "lose"
+        demes = [3,2,1]
+        expect(game.assert(demes)).to eq "lose"
       end
     end
 
     context "しごろ" do
       it do
-        game = Game.new
-        shigoro = [6,5,4]
-        expect(game.assert(shigoro)).to eq "win"
+        demes = [6,5,4]
+        expect(game.assert(demes)).to eq "win"
+      end
+    end
+
+    context "でめ" do
+      it do
+        demes = [2,2,1]
+        expect(game.assert(demes)).to eq "deme1"
       end
     end
+
   end
 end