 			return
 
 		it "delete an undefined key", () ->
-			res = localCache.del "xxx"
-			0.should.eql res
+			count = localCache.del "xxx"
+			0.should.eql count
 			return
 
 		it "update key (and get it to check if the update worked)", () ->

		it "try to mget with a single key", () ->
			localCache.mget state.getKeys[0], (err, res) ->
				state.n++
				should(err).exist()
				"Error".should.eql err.constructor.name
				"EKEYSTYPE".should.eql err.name
				should(res).be.undefined()
				return
			return

		return

	return

				state.value3.should.eql res
				return
			# delete 2 of those keys
			count = localCache.del keys[0...2]
			2.should.eql count
			# try to get the deleted keys
			keys[0...2].forEach (key) ->
				res = localCache.get key
