Add a test for GOCAD IO

Polyhedron/include/CGAL/IO/Polyhedron_builder_from_STL.h

@@ -1,9 +1,9 @@
 // Copyright (c) 2015 GeometryFactory
 //
-// This file is part of CGAL (www.cgal.org); 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 3 of the License,
-// or (at your option) any later version.
+// This file is part of CGAL (www.cgal.org).
+// You can redistribute it and/or modify it under the terms of the GNU
+// General Public License as published by the Free Software Foundation,
+// either version 3 of the License, or (at your option) any later version.
 //
 // Licensees holding a valid commercial license may use this file in
 // accordance with the commercial license agreement provided with the software.

Stream_support/test/Stream_support/test_gocad.cpp

@@ -0,0 +1,88 @@
+
+#include <CGAL/Polyhedron_3.h>
+#include <CGAL/Surface_mesh.h>
+#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
+#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
+#include <CGAL/boost/graph/helpers.h>
+
+#include <CGAL/IO/GOCAD.h>
+#include <iostream>
+#include <sstream>
+
+template<class FaceGraph, class Point>
+bool test_io()
+{
+  FaceGraph fg;
+  /*const char* tet = "GOCAD TSurf 1                   \n"
+                    "HEADER {                        \n"
+                    "name:Tetrahedron                \n"
+                    "*border:on                      \n"
+                    "*border*bstone:on               \n"
+                    "}                               \n"
+                    "GOCAD_ORIGINAL_COORDINATE_SYSTEM\n"
+                    "NAME Default                    \n"
+                    "AXIS_NAME \"X\" \"Y\" \"Z\"     \n"
+                    "AXIS_UNIT \"m\" \"m\" \"m\"     \n"
+                    "ZPOSITIVE Elevation             \n"
+                    "END_ORIGINAL_COORDINATE_SYSTEM  \n"
+                    "TFACE                           \n"
+                    "VRTX 0 0 0 0                    \n"
+                    "VRTX 1 1 0 0                    \n"
+                    "VRTX 2 0 1 0                    \n"
+                    "VRTX 3 0 0 1                    \n"
+                    "TRGL 0 2 1                      \n"
+                    "TRGL 2 0 3                      \n"
+                    "TRGL 1 2 3                      \n"
+                    "TRGL 0 1 3                      \n"
+                    "END                             \n";*/
+  CGAL::make_tetrahedron(Point(0, 0, 0), Point(1, 1, 0),
+                         Point(2, 0, 1), Point(3, 0, 0), fg);
+  std::ostringstream out;
+  out << fg;
+  if(out.fail())
+  {
+    std::cerr<<"Tetrahedron writing failed."<<std::endl;
+    return false;
+  }
+  FaceGraph fg2;
+  std::istringstream in( out.str());
+  in >> fg2;
+
+  if(in.fail()){
+    std::cerr<<"Tetrahedron reading failed."<<std::endl;
+    return false;
+  }
+
+  if(num_vertices(fg2) != 4
+     || num_faces(fg2) != 4)
+  {
+    std::cerr<<"Facegraph construction failed."<<std::endl;
+    return false;
+  }
+
+  return true;
+}
+
+int main()
+{
+  typedef CGAL::Exact_predicates_exact_constructions_kernel Epeck;
+  typedef CGAL::Exact_predicates_inexact_constructions_kernel Epick;
+
+  if(!test_io<CGAL::Surface_mesh<Epick::Point_3>, Epick::Point_3>())
+  {
+    return 1;
+  }
+  if(!test_io<CGAL::Surface_mesh<Epeck::Point_3>,Epeck::Point_3>())
+  {
+    return 1;
+  }
+  if(!test_io<CGAL::Polyhedron_3<Epick>, Epick::Point_3>())
+  {
+    return 1;
+  }
+  if(!test_io<CGAL::Polyhedron_3<Epeck>, Epeck::Point_3>())
+  {
+    return 1;
+  }
+  return 0;
+}