--- /dev/null
+## Copyright (C) 2018-20xx CEA/DEN, EDF R&D
+##
+## 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##
+## See http:##www.salome-platform.org/ or
+## email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
+##
+
+import math
+
+from GeomAPI import *
+
+TOLERANCE = 1.e-7
+
+loc = GeomAPI_Pnt2d(10, 0)
+axis = GeomAPI_Dir2d(1, 0)
+
+# Test 1. GeomAPI_Lin2d
+line2d = GeomAPI_Lin2d(loc, axis)
+assert(line2d.location().distance(loc) < TOLERANCE)
+assert(line2d.isRight(GeomAPI_Pnt2d(15, 5)))
+
+# Test 2. GeomAPI_Lin
+ln1 = GeomAPI_Lin(10, 0, 0, 20, 0, 0)
+ln2 = GeomAPI_Lin(15, -1, 1, 15, 1, 1)
+assert(ln1.isCoplanar(ln2) == False)
+assert(ln1.contains(None, TOLERANCE) == False)
