1 files changed, 102 insertions, 0 deletions
diff --git a/libs/geometry/test/algorithms/detail/sections/range_by_section.cpp b/libs/geometry/test/algorithms/detail/sections/range_by_section.cpp
new file mode 100644
index 000000000..e1d1bca1d
--- /dev/null
+++ b/libs/geometry/test/algorithms/detail/sections/range_by_section.cpp
@@ -0,0 +1,102 @@
+// Boost.Geometry (aka GGL, Generic Geometry Library)
+// Unit Test
+
+// Copyright (c) 2010-2012 Barend Gehrels, Amsterdam, the Netherlands.
+
+// Use, modification and distribution is subject to the Boost Software License,
+// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <iostream>
+#include <string>
+
+
+#include <geometry_test_common.hpp>
+
+#include <boost/geometry/algorithms/detail/sections/sectionalize.hpp>
+#include <boost/geometry/algorithms/detail/sections/range_by_section.hpp>
+#include <boost/geometry/views/detail/range_type.hpp>
+#include <boost/geometry/geometries/geometries.hpp>
+#include <boost/geometry/geometries/point_xy.hpp>
+#include <boost/geometry/io/wkt/wkt.hpp>
+
+
+
+template <int DimensionCount, bool Reverse, typename Geometry>
+void test_sectionalize(std::string const caseid, Geometry const& geometry, std::size_t section_count)
+{
+    typedef typename bg::point_type<Geometry>::type point;
+    typedef bg::model::box<point> box;
+    typedef bg::sections<box, DimensionCount> sections;
+
+    sections s;
+    bg::sectionalize<Reverse>(geometry, s);
+
+    BOOST_CHECK_EQUAL(s.size(), section_count);
+
+    typedef typename bg::closeable_view
+        <
+            typename bg::detail::range_type<Geometry>::type const,
+            bg::closure<Geometry>::value
+        >::type cview_type;
+    typedef typename bg::reversible_view
+        <
+            cview_type const,
+            Reverse ? bg::iterate_reverse : bg::iterate_forward
+        >::type view_type;
+    typedef typename boost::range_iterator
+        <
+            view_type const
+        >::type range_iterator;
+
+    BOOST_FOREACH(typename sections::value_type const& sec, s)
+    {
+        cview_type cview(bg::range_by_section(geometry, sec));
+        view_type view(cview);
+        range_iterator it1 = boost::begin(view) + sec.begin_index;
+        range_iterator it2 = boost::begin(view) + sec.end_index;
+        int count = 0;
+        for (range_iterator it = it1; it != it2; ++it)
+        {
+            count++;
+        }
+        BOOST_CHECK_EQUAL(int(sec.count), count);
+    }
+}
+
+template <typename Geometry, bool Reverse>
+void test_sectionalize(std::string const& caseid, std::string const& wkt,
+        std::size_t count1)
+{
+    Geometry geometry;
+    bg::read_wkt(wkt, geometry);
+    if (bg::closure<Geometry>::value == bg::open)
+    {
+        geometry.outer().resize(geometry.outer().size() - 1);
+    }
+    //bg::correct(geometry);
+    test_sectionalize<1, Reverse>(caseid + "_d1", geometry, count1);
+}
+
+template <typename P>
+void test_all()
+{
+    std::string const first = "polygon((2.0 1.3, 2.4 1.7, 2.8 1.8, 3.4 1.2, 3.7 1.6,3.4 2.0, 4.1 3.0, 5.3 2.6, 5.4 1.2, 4.9 0.8, 2.9 0.7,2.0 1.3))";
+    test_sectionalize<bg::model::polygon<P>, false>("first", first, 4);
+
+    test_sectionalize<bg::model::polygon<P, false>, true>("first_reverse",
+        first, 4);
+
+    test_sectionalize<bg::model::polygon<P, false, true>, false>("first_open",
+        first, 4);
+
+    test_sectionalize<bg::model::polygon<P, true, false>, true>("first_open_reverse",
+        first, 4);
+}
+
+int test_main(int, char* [])
+{
+    test_all<bg::model::d2::point_xy<double> >();
+
+    return 0;
+}