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diff --git a/src/Alpha_complex/test/Weighted_alpha_complex_non_visible_points_unit_test.cpp b/src/Alpha_complex/test/Weighted_alpha_complex_non_visible_points_unit_test.cpp
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+/* This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
+ * See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
+ * Author(s): Vincent Rouvreau
+ *
+ * Copyright (C) 2020 Inria
+ *
+ * Modification(s):
+ * - YYYY/MM Author: Description of the modification
+ */
+
+#define BOOST_TEST_DYN_LINK
+#define BOOST_TEST_MODULE "weighted_alpha_complex_non_visible_points"
+#include <boost/test/unit_test.hpp>
+#include <boost/mpl/list.hpp>
+
+#include <CGAL/Epick_d.h>
+#include <CGAL/Epeck_d.h>
+
+#include <vector>
+
+#include <gudhi/Alpha_complex.h>
+#include <gudhi/Simplex_tree.h>
+
+
+using list_of_1d_kernel_variants = boost::mpl::list<CGAL::Epeck_d< CGAL::Dynamic_dimension_tag >,
+ CGAL::Epeck_d< CGAL::Dimension_tag<1>>,
+ CGAL::Epick_d< CGAL::Dynamic_dimension_tag >,
+ CGAL::Epick_d< CGAL::Dimension_tag<1>>
+ >;
+
+BOOST_AUTO_TEST_CASE_TEMPLATE(Weighted_alpha_complex_non_visible_points, Kernel, list_of_1d_kernel_variants) {
+ // check that for 2 closed weighted 1-d points, one with a high weight to hide the second one with a small weight,
+ // that the point with a small weight has the same high filtration value than the edge formed by the 2 points
+ using Point_d = typename Kernel::Point_d;
+ std::vector<Point_d> points;
+ std::vector<double> p1 {0.};
+ points.emplace_back(p1.begin(), p1.end());
+ // closed enough points
+ std::vector<double> p2 {0.1};
+ points.emplace_back(p2.begin(), p2.end());
+ std::vector<typename Kernel::FT> weights {100., 0.01};
+
+ Gudhi::alpha_complex::Alpha_complex<Kernel, true> alpha_complex(points, weights);
+ Gudhi::Simplex_tree<> stree;
+ BOOST_CHECK(alpha_complex.create_complex(stree));
+
+ std::clog << "Iterator on weighted alpha complex simplices in the filtration order, with [filtration value]:"
+ << std::endl;
+ for (auto f_simplex : stree.filtration_simplex_range()) {
+ std::clog << " ( ";
+ for (auto vertex : stree.simplex_vertex_range(f_simplex)) {
+ std::clog << vertex << " ";
+ }
+ std::clog << ") -> " << "[" << stree.filtration(f_simplex) << "] " << std::endl;
+ }
+
+ BOOST_CHECK(stree.filtration(stree.find({0})) == -100.);
+ BOOST_CHECK(stree.filtration(stree.find({1})) == stree.filtration(stree.find({0, 1})));
+ BOOST_CHECK(stree.filtration(stree.find({1})) > 100000);
+} \ No newline at end of file