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begin
require "socket"
require "test/unit"
rescue LoadError
end
class TestSocket_TCPSocket < Test::Unit::TestCase
def test_initialize_failure
s = TCPServer.new("localhost", nil)
server_port = s.addr[1]
c = TCPSocket.new("localhost", server_port)
client_port = c.addr[1]
begin
# TCPServer.new uses SO_REUSEADDR so we must create a failure on the
# local address.
TCPSocket.new("localhost", server_port, "localhost", client_port)
flunk "expected SystemCallError"
rescue SystemCallError => e
assert_match "for \"localhost\" port #{client_port}", e.message
end
end
def test_recvfrom
svr = TCPServer.new("localhost", 0)
th = Thread.new {
c = svr.accept
c.write "foo"
c.close
}
addr = svr.addr
sock = TCPSocket.open(addr[3], addr[1])
assert_equal(["foo", nil], sock.recvfrom(0x10000))
ensure
th.kill if th
th.join if th
end
def test_encoding
svr = TCPServer.new("localhost", 0)
th = Thread.new {
c = svr.accept
c.write "foo\r\n"
c.close
}
addr = svr.addr
sock = TCPSocket.open(addr[3], addr[1])
assert_equal(true, sock.binmode?)
s = sock.gets
assert_equal("foo\r\n", s)
assert_equal(Encoding.find("ASCII-8BIT"), s.encoding)
ensure
th.kill if th
th.join if th
sock.close if sock
end
end if defined?(TCPSocket)
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