voronoi_diagram_test.cpp 3.5 KB

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  1. // Boost.Polygon library voronoi_diagram_test.cpp file
  2. // Copyright Andrii Sydorchuk 2010-2012.
  3. // Distributed under the Boost Software License, Version 1.0.
  4. // (See accompanying file LICENSE_1_0.txt or copy at
  5. // http://www.boost.org/LICENSE_1_0.txt)
  6. // See http://www.boost.org for updates, documentation, and revision history.
  7. #include <boost/core/lightweight_test.hpp>
  8. #include <boost/polygon/voronoi_diagram.hpp>
  9. #include <boost/polygon/voronoi_geometry_type.hpp>
  10. using namespace boost::polygon;
  11. typedef voronoi_cell<double> voronoi_cell_type;
  12. typedef voronoi_vertex<double> voronoi_vertex_type;
  13. typedef voronoi_edge<double> voronoi_edge_type;
  14. typedef voronoi_diagram<double> voronoi_diagram_type;
  15. void voronoi_cell_test()
  16. {
  17. voronoi_cell_type cell(1, SOURCE_CATEGORY_INITIAL_SEGMENT);
  18. cell.color(27);
  19. BOOST_TEST(!cell.contains_point());
  20. BOOST_TEST(cell.contains_segment());
  21. BOOST_TEST(cell.is_degenerate());
  22. BOOST_TEST(cell.source_index() == 1);
  23. BOOST_TEST(cell.source_category() == SOURCE_CATEGORY_INITIAL_SEGMENT);
  24. BOOST_TEST(cell.incident_edge() == NULL);
  25. BOOST_TEST(cell.color() == 27);
  26. voronoi_edge_type edge(true, true);
  27. cell.incident_edge(&edge);
  28. BOOST_TEST(!cell.is_degenerate());
  29. BOOST_TEST(cell.incident_edge() == &edge);
  30. }
  31. void voronoi_vertex_test()
  32. {
  33. voronoi_vertex_type vertex(1, 2);
  34. vertex.color(27);
  35. BOOST_TEST(vertex.is_degenerate());
  36. BOOST_TEST(vertex.x() == 1);
  37. BOOST_TEST(vertex.y() == 2);
  38. BOOST_TEST(vertex.incident_edge() == NULL);
  39. BOOST_TEST(vertex.color() == 27);
  40. voronoi_edge_type edge(true, true);
  41. vertex.incident_edge(&edge);
  42. BOOST_TEST(!vertex.is_degenerate());
  43. BOOST_TEST(vertex.incident_edge() == &edge);
  44. }
  45. void voronoi_edge_test()
  46. {
  47. voronoi_edge_type edge1(false, false);
  48. edge1.color(13);
  49. BOOST_TEST(!edge1.is_primary());
  50. BOOST_TEST(edge1.is_secondary());
  51. BOOST_TEST(!edge1.is_linear());
  52. BOOST_TEST(edge1.is_curved());
  53. BOOST_TEST(!edge1.is_finite());
  54. BOOST_TEST(edge1.is_infinite());
  55. BOOST_TEST(edge1.color() == 13);
  56. voronoi_edge_type edge2(true, true);
  57. edge2.color(14);
  58. BOOST_TEST(edge2.is_primary());
  59. BOOST_TEST(!edge2.is_secondary());
  60. BOOST_TEST(edge2.is_linear());
  61. BOOST_TEST(!edge2.is_curved());
  62. BOOST_TEST(!edge2.is_finite());
  63. BOOST_TEST(edge2.is_infinite());
  64. BOOST_TEST(edge2.color() == 14);
  65. edge1.twin(&edge2);
  66. edge2.twin(&edge1);
  67. BOOST_TEST(edge1.twin() == &edge2);
  68. BOOST_TEST(edge2.twin() == &edge1);
  69. edge1.next(&edge2);
  70. edge1.prev(&edge2);
  71. edge2.next(&edge1);
  72. edge2.prev(&edge1);
  73. BOOST_TEST(edge1.next() == &edge2);
  74. BOOST_TEST(edge1.prev() == &edge2);
  75. BOOST_TEST(edge1.rot_next() == &edge1);
  76. BOOST_TEST(edge1.rot_prev() == &edge1);
  77. voronoi_cell_type cell(1, SOURCE_CATEGORY_INITIAL_SEGMENT);
  78. edge1.cell(&cell);
  79. BOOST_TEST(edge1.cell() == &cell);
  80. voronoi_vertex_type vertex0(1, 2);
  81. edge1.vertex0(&vertex0);
  82. BOOST_TEST(edge1.vertex0() == &vertex0);
  83. BOOST_TEST(edge2.vertex1() == &vertex0);
  84. voronoi_vertex_type vertex1(2, 1);
  85. edge2.vertex0(&vertex1);
  86. BOOST_TEST(edge1.vertex1() == &vertex1);
  87. BOOST_TEST(edge2.vertex0() == &vertex1);
  88. BOOST_TEST(edge1.is_finite());
  89. BOOST_TEST(edge2.is_finite());
  90. }
  91. void voronoi_diagram_test()
  92. {
  93. voronoi_diagram_type vd;
  94. BOOST_TEST(vd.num_cells() == 0);
  95. BOOST_TEST(vd.num_vertices() == 0);
  96. BOOST_TEST(vd.num_edges() == 0);
  97. vd.clear();
  98. }
  99. int main()
  100. {
  101. voronoi_cell_test();
  102. voronoi_vertex_test();
  103. voronoi_edge_test();
  104. voronoi_diagram_test();
  105. return boost::report_errors();
  106. }