# :nodoc: all

require "test/unit"
require "n/utils/cache"

class TC_N2_Utils_Cache < Test::Unit::TestCase
	# :nodoc: all
	include N

	def setup
		@safe_cache = SafeHash.new(Hash.new)
	end

	def teardown
		@safe_cache = nil
	end

	def test_safe_cache
		assert_equal(nil, @safe_cache["no_item"])
		item1 =  "item1"
		@safe_cache["key1"] = item1
		assert_equal(item1, @safe_cache["key1"])

		@safe_cache["rem1"] = item1
		@safe_cache.delete("rem1")
		assert_equal(nil, @safe_cache["rem1"])

		@safe_cache.clear()
		assert_equal(0, @safe_cache.size)

		@safe_cache["i1"] = "i1"
		@safe_cache["i2"] = "i1"
		@safe_cache["i3"] = "i1"
		assert_equal(3, @safe_cache.size)

		assert_equal(3, @safe_cache.values.size)
	end

end