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path: root/test/socket/test_tcp.rb
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begin
  require "socket"
  require "test/unit"
rescue LoadError
end


class TestTCPSocket < Test::Unit::TestCase
  def test_recvfrom # [ruby-dev:24705]
    svr = TCPServer.new("localhost", 0)
    Thread.new {
      s = svr.accept
      s.print("x"*0x1000)
    }
    addr = svr.addr
    s = TCPSocket.open(addr[2], addr[1])
    Thread.new {
      Thread.pass
      ObjectSpace.each_object(String) {|s|
        s.replace "a" if s.length == 0x10000
      }
    }
    assert_raise(RuntimeError) {
      open("/tmp/n", "w"){|f| f.puts(data = s.recvfrom(0x10000))}
    }
  end
end if defined?(TCPSocket)