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   1 /* -*- c++ -*- */
   2 /*
   3  * Copyright 2006,2008 Free Software Foundation, Inc.
   4  *
   5  * This file is part of GNU Radio
   6  *
   7  * GNU Radio is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 3, or (at your option)
  10  * any later version.
  11  *
  12  * GNU Radio is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with GNU Radio; see the file COPYING.  If not, write to
  19  * the Free Software Foundation, Inc., 51 Franklin Street,
  20  * Boston, MA 02110-1301, USA.
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include <qa_gr_hier_block2_derived.h>
  28 #include <gr_top_block.h>
  29 #include <gr_io_signature.h>
  30 #include <gr_null_source.h>
  31 #include <gr_null_sink.h>
  32 #include <gr_head.h>
  33 #include <gr_kludge_copy.h>
  34
  35 // Declare a test C++ hierarchical block
  36
  37 class gr_derived_block;
  38 typedef boost::shared_ptr<gr_derived_block> gr_derived_block_sptr;
  39 gr_derived_block_sptr gr_make_derived_block();
  40
  41 class gr_derived_block : public gr_hier_block2
  42 {
  43 private:
  44   friend gr_derived_block_sptr gr_make_derived_block();
  45   gr_derived_block();
  46
  47 public:
  48   ~gr_derived_block();
  49 };
  50
  51
  52 gr_derived_block_sptr
  53 gr_make_derived_block()
  54 {
  55   return gnuradio::get_initial_sptr(new gr_derived_block());
  56 }
  57
  58 gr_derived_block::gr_derived_block()
  59   : gr_hier_block2("gr_derived_block",
  60                    gr_make_io_signature(1, 1, sizeof(int)), // Input signature
  61                    gr_make_io_signature(1, 1, sizeof(int))) // Output signature
  62 {
  63   gr_block_sptr copy(gr_make_kludge_copy(sizeof(int)));
  64
  65   connect(self(), 0, copy, 0);
  66   connect(copy, 0, self(), 0);
  67 }
  68
  69 gr_derived_block::~gr_derived_block()
  70 {
  71 }
  72
  73 void qa_gr_hier_block2_derived::test_1()
  74 {
  75   gr_top_block_sptr     tb(gr_make_top_block("test"));
  76
  77   gr_block_sptr         src(gr_make_null_source(sizeof(int)));
  78   gr_block_sptr         head(gr_make_head(sizeof(int), 1000));
  79   gr_derived_block_sptr blk(gr_make_derived_block());
  80   gr_block_sptr         dst(gr_make_null_sink(sizeof(int)));
  81
  82   tb->connect(src,  0, head, 0);
  83   tb->connect(head, 0, blk,  0);
  84   tb->connect(blk,  0, dst,  0);
  85
  86   tb->run();
  87 }