incrementing_sequence.cpp

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/*
 * Copyright (c) 2009, Willow Garage, Inc.
 * All rights reserved.
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 *       this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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/* Author: Josh Faust */

#include <string>
#include <sstream>
#include <fstream>

#include <gtest/gtest.h>

#include <time.h>
#include <stdlib.h>

#include "ros/ros.h"
#include <test_roscpp/TestWithHeader.h>

using namespace ros;
using namespace test_roscpp;

uint32_t g_recv_count = 0;
uint32_t g_sequence = 0;

void callback(const TestWithHeaderConstPtr& msg)
{
  ++g_recv_count;
  g_sequence = msg->header.seq;
}

TEST(IncrementingSequence, incrementing)
{
  ros::NodeHandle nh;
  ros::Publisher pub = nh.advertise<TestWithHeader>("test_with_header", 0);
  ros::Subscriber sub = nh.subscribe("test_with_header", 0, callback);

  while (g_recv_count < 50)
  {
    TestWithHeader msg;
    msg.header.frame_id = "blah";
    msg.header.stamp = ros::Time::now();
    pub.publish(msg);

    ros::spinOnce();
    ros::WallDuration(0.01).sleep();
  }

  ASSERT_GT(g_sequence, 0UL);
}

int main(int argc, char** argv)
{
  testing::InitGoogleTest(&argc, argv);
  ros::init(argc, argv, "incrementing_sequence");

  ros::NodeHandle nh;

  return RUN_ALL_TESTS();
}