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/* -*- c++ -*- */
/*
* Copyright 2006,2008,2013,2018 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gnuradio/blocks/copy.h>
#include <gnuradio/blocks/head.h>
#include <gnuradio/blocks/null_sink.h>
#include <gnuradio/blocks/null_source.h>
#include <gnuradio/io_signature.h>
#include <gnuradio/top_block.h>
#include <boost/test/unit_test.hpp>
// Declare a test C++ hierarchical block
class gr_derived_block;
typedef std::shared_ptr<gr_derived_block> gr_derived_block_sptr;
gr_derived_block_sptr gr_make_derived_block();
class gr_derived_block : public gr::hier_block2
{
private:
template <typename T, typename... Args>
friend std::shared_ptr<T> gnuradio::make_block_sptr(Args&&... args);
gr_derived_block();
public:
~gr_derived_block() override;
};
gr_derived_block_sptr gr_make_derived_block()
{
return gnuradio::make_block_sptr<gr_derived_block>();
}
gr_derived_block::gr_derived_block()
: gr::hier_block2("gr_derived_block",
gr::io_signature::make(1, 1, sizeof(int)), // Input signature
gr::io_signature::make(1, 1, sizeof(int))) // Output signature
{
gr::block_sptr copy(gr::blocks::copy::make(sizeof(int)));
connect(self(), 0, copy, 0);
connect(copy, 0, self(), 0);
}
gr_derived_block::~gr_derived_block() {}
BOOST_AUTO_TEST_CASE(test_1)
{
gr::top_block_sptr tb(gr::make_top_block("test"));
gr::block_sptr src(gr::blocks::null_source::make(sizeof(int)));
gr::block_sptr head(gr::blocks::head::make(sizeof(int), 1000));
gr_derived_block_sptr blk(gr_make_derived_block());
gr::block_sptr dst(gr::blocks::null_sink::make(sizeof(int)));
tb->connect(src, 0, head, 0);
tb->connect(head, 0, blk, 0);
tb->connect(blk, 0, dst, 0);
tb->run();
}
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