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path: root/src/Persistence_representations/test/read_persistence_from_file_test.cpp
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/*    This file is part of the Gudhi Library. The Gudhi library
 *    (Geometric Understanding in Higher Dimensions) is a generic C++
 *    library for computational topology.
 *
 *    Author(s):       Pawel Dlotko
 *
 *    Copyright (C) 2016 Inria
 *
 *    Modification(s):
 *      - YYYY/MM Author: Description of the modification
 */

#define BOOST_TEST_DYN_LINK
#define BOOST_TEST_MODULE "read_persistence_from_file_test"
#include <boost/test/unit_test.hpp>
#include <gudhi/read_persistence_from_file.h>

#include <iostream>

using namespace Gudhi;
using namespace Gudhi::Persistence_representations;

BOOST_AUTO_TEST_CASE(test_read_file_with_four_elements_per_line) {
  std::vector<std::pair<double, double> > what_we_should_get;
  what_we_should_get.push_back(std::make_pair(0, 2));
  what_we_should_get.push_back(std::make_pair(10, 1000));
  what_we_should_get.push_back(std::make_pair(10, 90));
  what_we_should_get.push_back(std::make_pair(4, 4));
  std::vector<std::pair<double, double> > what_we_get = read_persistence_intervals_in_one_dimension_from_file(
      "data/persistence_file_with_four_entries_per_line", 1, 1000);

  // for ( size_t i = 0 ; i != what_we_get.size() ; ++i )
  //{
  //	std::cerr << what_we_get[i].first << " , " << what_we_get[i].second << std::endl;
  //}

  BOOST_CHECK(what_we_should_get.size() == what_we_get.size());

  for (size_t i = 0; i != what_we_get.size(); ++i) {
    BOOST_CHECK(what_we_should_get[i] == what_we_get[i]);
  }
}

BOOST_AUTO_TEST_CASE(test_read_file_with_three_elements_per_line) {
  std::vector<std::pair<double, double> > what_we_should_get;
  what_we_should_get.push_back(std::make_pair(4, 9999));
  what_we_should_get.push_back(std::make_pair(0, 1));
  what_we_should_get.push_back(std::make_pair(1, 9999));
  what_we_should_get.push_back(std::make_pair(10, 90));
  what_we_should_get.push_back(std::make_pair(4, 4));

  std::vector<std::pair<double, double> > what_we_get = read_persistence_intervals_in_one_dimension_from_file(
      "data/persistence_file_with_three_entries_per_line", 1, 9999);

  // for ( size_t i = 0 ; i != what_we_get.size() ; ++i )
  //{
  //	std::cerr << what_we_get[i].first << " , " << what_we_get[i].second << std::endl;
  //}

  BOOST_CHECK(what_we_should_get.size() == what_we_get.size());

  for (size_t i = 0; i != what_we_get.size(); ++i) {
    BOOST_CHECK(what_we_should_get[i] == what_we_get[i]);
  }
}

BOOST_AUTO_TEST_CASE(test_read_file_with_two_elements_per_line) {
  std::vector<std::pair<double, double> > what_we_should_get;
  what_we_should_get.push_back(std::make_pair(4, 10));
  what_we_should_get.push_back(std::make_pair(4, 9999));
  what_we_should_get.push_back(std::make_pair(0, 1));
  what_we_should_get.push_back(std::make_pair(1, 4));

  std::vector<std::pair<double, double> > what_we_get = read_persistence_intervals_in_one_dimension_from_file(
      "data/persistence_file_with_two_entries_per_line", -1, 9999);
  BOOST_CHECK(what_we_should_get.size() == what_we_get.size());

  for (size_t i = 0; i != what_we_get.size(); ++i) {
    BOOST_CHECK(what_we_should_get[i] == what_we_get[i]);
  }
}