From 5af92f6369f02318d57114342891b849b12d39e4 Mon Sep 17 00:00:00 2001 From: akr Date: Mon, 20 Jan 2014 15:51:33 +0000 Subject: add a test. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44666 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/socket/test_sockopt.rb | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'test') diff --git a/test/socket/test_sockopt.rb b/test/socket/test_sockopt.rb index d1f6f29c34..ee7ba9b9ff 100644 --- a/test/socket/test_sockopt.rb +++ b/test/socket/test_sockopt.rb @@ -43,6 +43,13 @@ class TestSocketOption < Test::Unit::TestCase assert_equal(128, sockopt.ipv4_multicast_ttl) end + def test_ipv4_multicast_ttl_size + expected_size = Socket.open(:INET, :DGRAM) {|s| + s.getsockopt(:IP, :MULTICAST_TTL).to_s.bytesize + } + assert_equal(expected_size, Socket::Option.ipv4_multicast_ttl(0).to_s.bytesize) + end + def test_unpack sockopt = Socket::Option.new(:INET, :SOCKET, :KEEPALIVE, [1].pack("i")) assert_equal([1], sockopt.unpack("i")) -- cgit v1.2.3