gnss-sdr/src/tests/gnuradio_block/gnss_sdr_valve_test.cc

/*!
 * \file gnss_sdr_valve_test.cc
 * \brief  This file implements unit tests for the valve custom block.
 * \author Carlos Aviles, 2010. carlos.avilesr(at)googlemail.com
 *         Carles Fernandez-Prades, 2012. cfernandez(at)cttc.es
 *
 *
 * -------------------------------------------------------------------------
 *
 * Copyright (C) 2010-2012  (see AUTHORS file for a list of contributors)
 *
 * GNSS-SDR is a software defined Global Navigation
 *          Satellite Systems receiver
 *
 * This file is part of GNSS-SDR.
 *
 * GNSS-SDR is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * at your option) any later version.
 *
 * GNSS-SDR is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
 *
 * -------------------------------------------------------------------------
 */


#include <gtest/gtest.h>
#include <gr_top_block.h>
#include <gnuradio/gr_sig_source_f.h>
#include <gr_null_sink.h>
#include <gr_msg_queue.h>
#include "gnss_sdr_valve.h"

TEST(Valve_Test, CheckEventSentAfter100Samples)
{
    gr_msg_queue_sptr queue = gr_make_msg_queue(0);

    gr_top_block_sptr top_block = gr_make_top_block("gnss_sdr_valve_test");
    gr_block_sptr valve = gnss_sdr_make_valve(sizeof(float), 100, queue);
    gr_sig_source_f_sptr source = gr_make_sig_source_f(100, GR_CONST_WAVE, 100, 1, 0);
    gr_block_sptr sink = gr_make_null_sink(sizeof(float));

    unsigned int expected0 = 0;
    EXPECT_EQ(expected0, queue->count());

    top_block->connect(source, 0, valve, 0);
    top_block->connect(valve, 0, sink, 0);

    top_block->run();
    top_block->stop();

    unsigned int expected1 = 1;
    EXPECT_EQ(expected1, queue->count());
}