test/test_exchange.rb in big_money-1.1.0 vs test/test_exchange.rb in big_money-1.2.0

@@ -31,7 +31,13 @@
     should 'return equal rate' do
       assert_equal BigDecimal.new('1'), BigMoney::Exchange.rate(:usd, :usd)
       assert_equal BigDecimal.new('1'), BigMoney::Exchange.rate(:usd, :xxx)
       assert_equal BigDecimal.new('1'), BigMoney::Exchange.rate(:xxx, :usd)
     end
+
+    should 'be cacheable' do
+      BigMoney::Exchange.cache = {}
+      BigMoney::Exchange.rate(:usd, :aud)
+      assert_equal BigDecimal.new('2'), BigMoney::Exchange.cache.values.first
+    end
   end
 end