Fixed an issue with fields over size of int32 in OGR plugin and added tests to cover this situation.

plugins/input/ogr/ogr_featureset.cpp

@@ -125,13 +125,17 @@ feature_ptr ogr_featureset::next()
             switch (type_oid)
             {
             case OFTInteger:
-#if GDAL_VERSION_MAJOR >= 2
-            case OFTInteger64:
-#endif
             {
                 feature->put<mapnik::value_integer>( fld_name, poFeature->GetFieldAsInteger(i));
                 break;
             }
+#if GDAL_VERSION_MAJOR >= 2
+            case OFTInteger64:
+            {
+                feature->put<mapnik::value_integer>( fld_name, poFeature->GetFieldAsInteger64(i));
+                break;
+            }
+#endif
 
             case OFTReal:
             {

plugins/input/ogr/ogr_index_featureset.cpp

@@ -148,13 +148,17 @@ feature_ptr ogr_index_featureset<filterT>::next()
             switch (type_oid)
             {
             case OFTInteger:
-#if GDAL_VERSION_MAJOR >= 2
-            case OFTInteger64:
-#endif
             {
                 feature->put<mapnik::value_integer>(fld_name,poFeature->GetFieldAsInteger (i));
                 break;
             }
+#if GDAL_VERSION_MAJOR >= 2
+            case OFTInteger64:
+            {
+                feature->put<mapnik::value_integer>( fld_name, poFeature->GetFieldAsInteger64(i));
+                break;
+            }
+#endif
 
             case OFTReal:
             {

test/data

@@ -1 +1 @@
-Subproject commit d0a23b2a512d2ea83f08a9c1dc50e9b9b4a08dd5
+Subproject commit 3b1f481ac2ceeb780255cd4c76a42ae06197b9bc

test/unit/datasource/ogr.cpp

@@ -0,0 +1,58 @@
+/*****************************************************************************
+ *
+ * This file is part of Mapnik (c++ mapping toolkit)
+ *
+ * Copyright (C) 2015 Artem Pavlenko
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ *****************************************************************************/
+
+#include "catch.hpp"
+
+#include <mapnik/map.hpp>
+#include <mapnik/load_map.hpp>
+#include <mapnik/agg_renderer.hpp>
+#include <mapnik/image.hpp>
+#include <mapnik/image_reader.hpp>
+#include <mapnik/image_util.hpp>
+#include <mapnik/font_engine_freetype.hpp>
+#include <mapnik/util/fs.hpp>
+
+TEST_CASE("ogr") {
+
+    std::string geojson_plugin("./plugins/input/ogr.input");
+    if (mapnik::util::exists(geojson_plugin))
+    {
+        SECTION("ogr point feature")
+        {
+            mapnik::Map m(256,256);
+            mapnik::load_map(m, "./test/data/good_maps/point_json.xml");
+            std::string fontdir("fonts/");
+            REQUIRE( m.register_fonts(fontdir , true ) );
+            m.zoom_all();
+            mapnik::image_rgba8 im(256,256);
+            mapnik::agg_renderer<mapnik::image_rgba8> ren(m, im);
+            ren.apply();
+            //mapnik::save_to_file(im, "./test/data/images/point_json.png");
+            std::string filename("./test/data/images/point_json.png");
+            std::unique_ptr<mapnik::image_reader> reader(mapnik::get_image_reader(filename,"png"));
+            mapnik::image_any data = reader->read(0, 0, reader->width(), reader->height());
+            mapnik::image_rgba8 expected = mapnik::util::get<mapnik::image_rgba8>(data);
+            REQUIRE(mapnik::compare(expected, im) == 0);
+        }
+
+    }
+}