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begin
require "socket"
require "test/unit"
rescue LoadError
end
class TestSocket_UDPSocket < Test::Unit::TestCase
def test_open
assert_nothing_raised { UDPSocket.open {} }
assert_nothing_raised { UDPSocket.open(Socket::AF_INET) {} }
assert_nothing_raised { UDPSocket.open("AF_INET") {} }
assert_nothing_raised { UDPSocket.open(:AF_INET) {} }
end
def test_connect
s = UDPSocket.new
host = Object.new
class << host; self end.send(:define_method, :to_str) {
s.close
"127.0.0.1"
}
assert_raise(IOError, "[ruby-dev:25045]") {
s.connect(host, 1)
}
end
def test_bind
s = UDPSocket.new
host = Object.new
class << host; self end.send(:define_method, :to_str) {
s.close
"127.0.0.1"
}
assert_raise(IOError, "[ruby-dev:25057]") {
s.bind(host, 2000)
}
ensure
s.close if s && !s.closed?
end
def test_bind_addrinuse
host = "127.0.0.1"
in_use = UDPSocket.new
in_use.bind(host, 0)
port = in_use.addr[1]
s = UDPSocket.new
e = assert_raises(Errno::EADDRINUSE) do
s.bind(host, port)
end
assert_match "bind(2) for \"#{host}\" port #{port}", e.message
ensure
in_use.close if in_use
s.close if s
end
def test_send_too_long
u = UDPSocket.new
e = assert_raises Errno::EMSGSIZE do
u.send "\0" * 100_000, 0, "127.0.0.1", 7 # echo
end
assert_match 'for "127.0.0.1" port 7', e.message
ensure
u.close if u
end
end if defined?(UDPSocket)
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