tests/unit/algorithm/InteriorPointAreaTest.cpp

   1 /**********************************************************************
   2  *
   3  * GEOS - Geometry Engine Open Source
   4  * http://geos.osgeo.org
   5  *
   6  * Copyright (C) 2011      Sandro Santilli <strk@keybit.net>
   7  *
   8  * This is free software; you can redistribute and/or modify it under
   9  * the terms of the GNU Lesser General Public Licence as published
  10  * by the Free Software Foundation.
  11  * See the COPYING file for more information.
  12  *
  13  **********************************************************************/
  14
  15 //
  16 // Test Suite for geos::algorithm::InteriorPointArea
  17
  18 #include <tut.hpp>
  19 // geos
  20 #include <geos/geom/Coordinate.h>
  21 #include <geos/algorithm/InteriorPointArea.h>
  22 #include <geos/io/WKTReader.h>
  23 #include <geos/geom/Geometry.h>
  24 // std
  25 #include <sstream>
  26 #include <string>
  27 #include <memory>
  28
  29 namespace tut
  30 {
  31     //
  32     // Test Group
  33     //
  34
  35     // dummy data, not used
  36     struct test_interiorpointarea_data {
  37       typedef geos::geom::Geometry Geometry;
  38       typedef geos::geom::Coordinate Coordinate;
  39       typedef geos::algorithm::InteriorPointArea InteriorPointArea;
  40
  41       geos::io::WKTReader reader;
  42       std::auto_ptr<Geometry> geom;
  43
  44       test_interiorpointarea_data()
  45       {}
  46
  47     };
  48
  49     typedef test_group<test_interiorpointarea_data> group;
  50     typedef group::object object;
  51
  52     group test_interiorpointarea_group("geos::algorithm::InteriorPointArea");
  53
  54     //
  55     // Test Cases
  56     //
  57
  58     // http://trac.osgeo.org/geos/ticket/475
  59     // This is a test for a memory leak more than anything else
  60     template<>
  61     template<>
  62     void object::test<1>()
  63     {
  64       Coordinate centroid;
  65
  66       // this polygon is a typical hourglass-shape with a self intersection
  67       // without a node
  68       geom.reset( reader.read("POLYGON((6 54, 15 54, 6 47, 15 47, 6 54))") );
  69
  70       bool threw = false;
  71
  72       try {
  73         InteriorPointArea interior_builder(geom.get());
  74         interior_builder.getInteriorPoint(centroid);
  75       }
  76       catch(...) {
  77         threw = true;
  78       }
  79
  80       ensure(threw);
  81     }
  82
  83 } // namespace tut
  84