t.Errorf("newFileListener: tcp listener type mismatch: %T", l)
	} else {
		testIsTCPAddr(t, "Addr", l.Addr())
	}
}

func TestWasip1NewFileConn(t *testing.T) {
	if c, ok := newFileConn(newFD("tcp", -1)).(*TCPConn); !ok {
		t.Errorf("newFileConn: tcp conn type mismatch: %T", c)
	} else {
		testIsTCPAddr(t, "LocalAddr", c.LocalAddr())
		testIsTCPAddr(t, "RemoteAddr", c.RemoteAddr())
	}