Merged updates for (small) changes for views/ranges/iterators (r71711 through r71812)

[SVN r71815]
2026-02-15 13:12:10 +00:00 · 2011-05-08 12:18:28 +00:00
parent f287a5e22a
commit 996ab253cb
54 changed files with 841 additions and 1037 deletions
--- a/test/views/segment_view.cpp
+++ b/test/views/segment_view.cpp
@@ -0,0 +1,85 @@
+// Boost.Geometry (aka GGL, Generic Geometry Library)
+// Unit Test
+
+// Copyright (c) 2010 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 <algorithm>
+#include <iterator>
+#include <sstream>
+#include <string>
+
+#include <geometry_test_common.hpp>
+
+#include <boost/geometry/geometries/geometries.hpp>
+#include <boost/geometry/views/segment_view.hpp>
+#include <boost/geometry/domains/gis/io/wkt/read_wkt.hpp>
+
+
+
+template <typename Segment>
+void test_geometry(std::string const& wkt, std::string const& expected)
+{
+
+    Segment segment;
+    bg::read_wkt(wkt, segment);
+
+    typedef bg::segment_view<Segment> range_type;
+    range_type range(segment);
+
+    {
+        std::ostringstream out;
+        for (typename boost::range_iterator<range_type>::type it = boost::begin(range);
+            it != boost::end(range); ++it)
+        {
+            out << " " << bg::get<0>(*it) << bg::get<1>(*it);
+        }
+        BOOST_CHECK_EQUAL(out.str(), expected);
+    }
+
+    {
+        // Check forward/backward behaviour
+        std::ostringstream out;
+        typename boost::range_iterator<range_type>::type it = boost::begin(range);
+        it++;
+        it--;
+        out << " " << bg::get<0>(*it) << bg::get<1>(*it);
+        typename boost::range_iterator<range_type>::type it2 = boost::end(range);
+        it2--;
+        out << " " << bg::get<0>(*it2) << bg::get<1>(*it2);
+        BOOST_CHECK_EQUAL(out.str(), expected);
+    }
+
+    {
+        // Check random access behaviour
+        int const n = boost::size(range);
+        BOOST_CHECK_EQUAL(n, 2);
+    }
+
+    // Check Boost.Range concept
+    BOOST_CONCEPT_ASSERT( (boost::RandomAccessRangeConcept<range_type>) );
+
+}
+
+
+template <typename P>
+void test_all()
+{
+    test_geometry<bg::model::segment<P> >("linestring(1 1,2 2)", " 11 22");
+    test_geometry<bg::model::segment<P> >("linestring(4 4,3 3)", " 44 33");
+}
+
+
+int test_main(int, char* [])
+{
+    std::vector<int> a; 
+    a.push_back(1);
+    boost::range_iterator<std::vector<int> const>::type it = a.end();
+    --it;
+    std::cout << *it << std::endl;
+    test_all<bg::model::d2::point_xy<double> >();
+    return 0;
+}