1 files changed, 78 insertions, 0 deletions
diff --git a/src/Toplex_map/test/lazy_toplex_map_unit_test.cpp b/src/Toplex_map/test/lazy_toplex_map_unit_test.cpp
new file mode 100644
index 00000000..77d464ae
--- /dev/null
+++ b/src/Toplex_map/test/lazy_toplex_map_unit_test.cpp
@@ -0,0 +1,78 @@
+#include <iostream>
+#include <vector>
+#include <gudhi/Lazy_Toplex_map.h>
+
+
+#define BOOST_TEST_DYN_LINK
+#define BOOST_TEST_MODULE "lazy toplex map"
+#include <boost/test/unit_test.hpp>
+
+BOOST_AUTO_TEST_CASE(toplex_map) {
+  using Vertex = Gudhi::Lazy_Toplex_map::Vertex;
+
+  Gudhi::Lazy_Toplex_map tm;
+  std::cout << "insert_simplex {1, 2, 3, 4}" << std::endl;
+  std::vector<Vertex> sigma1 = {1, 2, 3, 4};
+  tm.insert_simplex(sigma1);
+  std::cout << "insert_simplex {5, 2, 3, 6}" << std::endl;
+  std::vector<Vertex> sigma2 = {5, 2, 3, 6};
+  tm.insert_simplex(sigma2);
+  std::cout << "insert_simplex {5}" << std::endl;
+  std::vector<Vertex> sigma3 = {5};
+  tm.insert_simplex(sigma3);
+  std::cout << "insert_simplex {4, 5, 3}" << std::endl;
+  std::vector<Vertex> sigma6 = {4, 5, 3};
+  tm.insert_simplex(sigma6);
+  std::cout << "insert_simplex {4, 5, 9}" << std::endl;
+  std::vector<Vertex> sigma7 = {4, 5, 9};
+  tm.insert_simplex(sigma7);
+
+  std::cout << "num_maximal_simplices = " << tm.num_maximal_simplices() << std::endl;
+  BOOST_CHECK(tm.num_maximal_simplices() == 5);
+
+  std::vector<Vertex> sigma4 = {5, 2, 3};
+  std::vector<Vertex> sigma5 = {5, 2, 7};
+  BOOST_CHECK(tm.membership(sigma4));
+  BOOST_CHECK(!tm.membership(sigma5));
+  std::cout << "insert_simplex {5, 2, 7}" << std::endl;
+  tm.insert_simplex(sigma5);
+
+  std::cout << "num_maximal_simplices = " << tm.num_maximal_simplices() << std::endl;
+  BOOST_CHECK(tm.num_maximal_simplices() == 6);
+
+  BOOST_CHECK(tm.membership(sigma5));
+
+  std::cout << "contraction(4,5)" << std::endl;
+  auto r = tm.contraction(4,5);
+  std::cout << "r=" << r << std::endl;
+  BOOST_CHECK(r == 5);
+
+  std::cout << "num_maximal_simplices = " << tm.num_maximal_simplices() << std::endl;
+  BOOST_CHECK(tm.num_maximal_simplices() == 6);
+
+  std::vector<Vertex> sigma8 = {1, 2, 3};
+  std::vector<Vertex> sigma9 = {2, 7};
+
+  sigma8.emplace_back(r);
+  sigma9.emplace_back(r);
+  BOOST_CHECK(!tm.membership(sigma6));
+  BOOST_CHECK(tm.membership(sigma8));
+  BOOST_CHECK(tm.membership(sigma9));
+
+  std::cout << "remove_simplex({2, 7, r = 5})" << std::endl;
+  tm.remove_simplex(sigma9);
+  BOOST_CHECK(!tm.membership(sigma9));
+
+  std::cout << "num_maximal_simplices = " << tm.num_maximal_simplices() << std::endl;
+  BOOST_CHECK(tm.num_maximal_simplices() == 8);
+
+  // {2, 7, 5} is removed, but verify its edges are still there
+  std::vector<Vertex> edge = {2, 7};
+  BOOST_CHECK(tm.membership(edge));
+  edge = {2, 5};
+  BOOST_CHECK(tm.membership(edge));
+  edge = {7, 5};
+  BOOST_CHECK(tm.membership(edge));
+
+}
+