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* lib/resolv.rb (Resolv::DNS::Requester#request): rescue ECONNREFUSED.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28058 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2010-05-29 00:06:17 +00:00
parent 2dce743725
commit 089d2ddda4
3 changed files with 25 additions and 1 deletions
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14
test/resolv/test_dns.rb
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@ -104,4 +104,18 @@ class TestResolvDNS < Test::Unit::TestCase
end
}
end
def test_no_server
u = UDPSocket.new
u.bind("127.0.0.1", 0)
_, port, _, host = u.addr
u.close
# A rase condition here.
# Another program may use the port.
# But no way to prevent it.
Resolv::DNS.open(:nameserver_port => [[host, port]]) {|dns|
assert_equal([], dns.getresources("test-no-server.example.org", Resolv::DNS::Resource::IN::A))
}
end
end