track_test.cc

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// Copyright (c) 2018, ETH Zurich and UNC Chapel Hill.
// All rights reserved.
//
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// modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
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//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
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//     * Neither the name of ETH Zurich and UNC Chapel Hill nor the names of
//       its contributors may be used to endorse or promote products derived
//       from 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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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// Author: Johannes L. Schoenberger (jsch-at-demuc-dot-de)
 
#define TEST_NAME "base/track"
#include "util/testing.h"
 
#include "base/track.h"
 
using namespace colmap;
 
BOOST_AUTO_TEST_CASE(TestTrackElement) {
  TrackElement track_el;
  BOOST_CHECK_EQUAL(track_el.image_id, kInvalidImageId);
  BOOST_CHECK_EQUAL(track_el.point2D_idx, kInvalidPoint2DIdx);
}
 
BOOST_AUTO_TEST_CASE(TestDefault) {
  Track track;
  BOOST_CHECK_EQUAL(track.Length(), 0);
  BOOST_CHECK_EQUAL(track.Elements().size(), track.Length());
}
 
BOOST_AUTO_TEST_CASE(TestSetElements) {
  Track track;
  std::vector<TrackElement> elements;
  elements.emplace_back(0, 1);
  elements.emplace_back(0, 2);
  track.SetElements(elements);
  BOOST_CHECK_EQUAL(track.Length(), 2);
  BOOST_CHECK_EQUAL(track.Elements().size(), track.Length());
  BOOST_CHECK_EQUAL(track.Element(0).image_id, 0);
  BOOST_CHECK_EQUAL(track.Element(0).point2D_idx, 1);
  BOOST_CHECK_EQUAL(track.Element(1).image_id, 0);
  BOOST_CHECK_EQUAL(track.Element(1).point2D_idx, 2);
  for (size_t i = 0; i < track.Length(); ++i) {
    BOOST_CHECK_EQUAL(track.Element(i).image_id, track.Elements()[i].image_id);
    BOOST_CHECK_EQUAL(track.Element(i).point2D_idx,
                      track.Elements()[i].point2D_idx);
  }
}
 
BOOST_AUTO_TEST_CASE(TestAddElement) {
  Track track;
  track.AddElement(0, 1);
  track.AddElement(TrackElement(0, 2));
  std::vector<TrackElement> elements;
  elements.emplace_back(0, 1);
  elements.emplace_back(0, 2);
  track.AddElements(elements);
  BOOST_CHECK_EQUAL(track.Length(), 4);
  BOOST_CHECK_EQUAL(track.Elements().size(), track.Length());
  BOOST_CHECK_EQUAL(track.Element(0).image_id, 0);
  BOOST_CHECK_EQUAL(track.Element(0).point2D_idx, 1);
  BOOST_CHECK_EQUAL(track.Element(1).image_id, 0);
  BOOST_CHECK_EQUAL(track.Element(1).point2D_idx, 2);
  BOOST_CHECK_EQUAL(track.Element(2).image_id, 0);
  BOOST_CHECK_EQUAL(track.Element(2).point2D_idx, 1);
  BOOST_CHECK_EQUAL(track.Element(3).image_id, 0);
  BOOST_CHECK_EQUAL(track.Element(3).point2D_idx, 2);
  for (size_t i = 0; i < track.Length(); ++i) {
    BOOST_CHECK_EQUAL(track.Element(i).image_id, track.Elements()[i].image_id);
    BOOST_CHECK_EQUAL(track.Element(i).point2D_idx,
                      track.Elements()[i].point2D_idx);
  }
}
 
BOOST_AUTO_TEST_CASE(TestDeleteElement) {
  Track track;
  track.AddElement(0, 1);
  track.AddElement(0, 2);
  track.AddElement(0, 3);
  track.AddElement(0, 3);
  BOOST_CHECK_EQUAL(track.Length(), 4);
  BOOST_CHECK_EQUAL(track.Elements().size(), track.Length());
  track.DeleteElement(0);
  BOOST_CHECK_EQUAL(track.Length(), 3);
  BOOST_CHECK_EQUAL(track.Elements().size(), track.Length());
  BOOST_CHECK_EQUAL(track.Element(0).image_id, 0);
  BOOST_CHECK_EQUAL(track.Element(0).point2D_idx, 2);
  BOOST_CHECK_EQUAL(track.Element(1).image_id, 0);
  BOOST_CHECK_EQUAL(track.Element(1).point2D_idx, 3);
  BOOST_CHECK_EQUAL(track.Element(2).image_id, 0);
  BOOST_CHECK_EQUAL(track.Element(2).point2D_idx, 3);
  track.DeleteElement(0, 3);
  BOOST_CHECK_EQUAL(track.Length(), 1);
  BOOST_CHECK_EQUAL(track.Elements().size(), track.Length());
  BOOST_CHECK_EQUAL(track.Element(0).image_id, 0);
  BOOST_CHECK_EQUAL(track.Element(0).point2D_idx, 2);
}
 
BOOST_AUTO_TEST_CASE(TestReserve) {
  Track track;
  track.Reserve(2);
  BOOST_CHECK_EQUAL(track.Elements().capacity(), 2);
}
 
BOOST_AUTO_TEST_CASE(TestCompress) {
  Track track;
  track.AddElement(0, 1);
  track.AddElement(0, 2);
  track.AddElement(0, 3);
  track.AddElement(0, 3);
  BOOST_CHECK_EQUAL(track.Elements().capacity(), 4);
  track.DeleteElement(0);
  track.DeleteElement(0);
  BOOST_CHECK_EQUAL(track.Elements().capacity(), 4);
  track.Compress();
  BOOST_CHECK_EQUAL(track.Elements().capacity(), 2);
}