1 files changed, 108 insertions, 0 deletions
diff --git a/libs/geometry/test/algorithms/multi_convert.cpp b/libs/geometry/test/algorithms/multi_convert.cpp
new file mode 100644
index 000000000..0bfdf6ea6
--- /dev/null
+++ b/libs/geometry/test/algorithms/multi_convert.cpp
@@ -0,0 +1,108 @@
+// Boost.Geometry (aka GGL, Generic Geometry Library)
+//
+// Copyright (c) 2007-2012 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 <algorithms/test_convert.hpp>
+
+#include <boost/geometry/multi/algorithms/convert.hpp>
+#include <boost/geometry/multi/algorithms/num_points.hpp>
+
+#include <boost/geometry/multi/geometries/multi_point.hpp>
+#include <boost/geometry/multi/geometries/multi_linestring.hpp>
+#include <boost/geometry/multi/geometries/multi_polygon.hpp>
+
+#include <boost/geometry/io/wkt/wkt.hpp>
+#include <boost/geometry/multi/io/wkt/wkt.hpp>
+
+
+template <typename Point1, typename Point2>
+void test_mixed_point_types()
+{
+    test_mixed_identical_result
+        <
+            bg::model::multi_point<Point1>,
+            bg::model::multi_point<Point2>
+        >
+        ("MULTIPOINT((1 1),(2 2),(3 3))");
+
+    test_mixed_identical_result
+        <
+            bg::model::multi_linestring<bg::model::linestring<Point1> >,
+            bg::model::multi_linestring<bg::model::linestring<Point2> >
+        >
+        ("MULTILINESTRING((1 1,2 2),(3 3,4 4))");
+
+    // Single -> multi (always possible)
+    test_mixed
+        <
+            Point1, bg::model::multi_point<Point2>
+        >
+        (
+            "POINT(1 1)",
+            "MULTIPOINT((1 1))",
+            1
+        );
+    test_mixed
+        <
+            bg::model::linestring<Point1>,
+            bg::model::multi_linestring<bg::model::linestring<Point2> >
+        >
+        (
+            "LINESTRING(1 1,2 2)",
+            "MULTILINESTRING((1 1,2 2))",
+            2
+        );
+    test_mixed
+        <
+            bg::model::segment<Point1>,
+            bg::model::multi_linestring<bg::model::linestring<Point2> >
+        >
+        (
+            "LINESTRING(1 1,2 2)",
+            "MULTILINESTRING((1 1,2 2))",
+            2
+        );
+    test_mixed
+        <
+            bg::model::box<Point1>,
+            bg::model::multi_polygon<bg::model::polygon<Point2> >
+        >
+        (
+            "BOX(0 0,1 1)",
+            "MULTIPOLYGON(((0 0,0 1,1 1,1 0,0 0)))",
+            5
+        );
+    test_mixed
+        <
+            bg::model::ring<Point1, true>,
+            bg::model::multi_polygon<bg::model::polygon<Point2, false> >
+        >
+        (
+            "POLYGON((0 0,0 1,1 1,1 0,0 0))",
+            "MULTIPOLYGON(((0 0,1 0,1 1,0 1,0 0)))",
+            5
+        );
+
+    // Multi -> single: should not compile (because multi often have 0 or >1 elements)
+}
+
+template <typename Point1, typename Point2>
+void test_mixed_types()
+{
+    test_mixed_point_types<Point1, Point2>();
+    test_mixed_point_types<Point2, Point1>();
+}
+
+int test_main( int , char* [] )
+{
+    test_mixed_types
+        <
+            bg::model::point<int, 2, bg::cs::cartesian>,
+            bg::model::point<double, 2, bg::cs::cartesian>
+        >();
+
+    return 0;
+}