local ok, net = pcall(require, "lb:net")
if not ok then return end

describe("ipaddr", function()
  test("invalid ipaddr throws", function()
    assert(not pcall(net.ipaddr, "invalid ip"))
  end)

  test("comparison", function()
    local a = net.ipaddr("10.0.0.1")
    local b = net.ipaddr("10.0.0.1")
    local c = net.ipaddr("10.0.0.2")
    assert(a ~= nil and a ~= {} and a ~= "10.0.0.1" and a ~= 167772161)
    assert(a == a and a == b and a ~= c and b ~= c and c == c and c ~= a)
    assert(a <= b and a < c and a <= c and b < c and b <= c and a <= a and c <= c)
    assert(not (a < b or a > b or a > c or b > c or a >= c or b >= c))
  end)

  test("tostring", function()
    local ip = net.ipaddr("10.0.0.1")
    assert(tostring(ip) == "10.0.0.1")
  end)
end)

describe("tcp", function()
  describe("socket", function()
    test("bind", function()
      local socket = net.bind_tcp("127.0.0.1")
      -- binds to the correct port
      assert(tostring(socket:local_addr():ip()) == "127.0.0.1")
      assert(socket:local_addr():port() ~= 0)
      -- should not be able to rebind socket
      assert(not pcall(socket.bind, socket, net.socketaddr("127.0.0.1")))
    end)

    test("options", function()
      local socket = net.tcp()
      -- keepalive
      socket:set_keepalive(true)
      assert(socket:keepalive() == true)
      socket:set_keepalive(false)
      assert(socket:keepalive() == false)
      -- reuseaddr
      socket:set_reuseaddr(true)
      assert(socket:reuseaddr() == true)
      socket:set_reuseaddr(false)
      assert(socket:reuseaddr() == false)
      -- reuseport not always supported on all platforms
      -- sendbuf
      socket:set_sendbuf(4096)
      assert(socket:sendbuf() >= 4096)
      -- recvbuf
      socket:set_recvbuf(4096)
      assert(socket:recvbuf() >= 4096)
      -- linger
      socket:set_linger(0)
      assert(socket:linger() == 0)
      socket:set_linger(2)
      assert(math.abs(socket:linger() - 2) < 0.1)
      -- nodelay
      socket:set_nodelay(true)
      assert(socket:nodelay() == true)
      socket:set_nodelay(false)
      assert(socket:nodelay() == false)
    end)

    test("can't use socket after conversion", function()
      local socket = net.tcp()
      socket:bind(net.socketaddr("127.0.0.1"))
      socket:listen(10) -- convert to listener
      assert(not pcall(socket.listen, socket, 10)) -- socket consumed
      assert(not pcall(socket.local_addr, socket))
    end)
  end)
end)