geometry/test/algorithms/touches/touches_self.cpp

44 lines
1.3 KiB
C++

// Boost.Geometry (aka GGL, Generic Geometry Library)
//
// Copyright (c) 2012-2015 Barend Gehrels, Amsterdam, the Netherlands.
// This file was modified by Oracle on 2013, 2014. 2015.
// Modifications copyright (c) 2013-2015, Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
// 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 "test_touches.hpp"
template <typename P>
void test_all()
{
typedef bg::model::polygon<P> polygon;
// Just a normal polygon
test_self_touches<polygon>("POLYGON((0 0,0 4,1.5 2.5,2.5 1.5,4 0,0 0))", false);
// Self intersecting
test_self_touches<polygon>("POLYGON((1 2,1 1,2 1,2 2.25,3 2.25,3 0,0 0,0 3,3 3,2.75 2,1 2))", false);
// Self touching at a point
test_self_touches<polygon>("POLYGON((0 0,0 3,2 3,2 2,1 2,1 1,2 1,2 2,3 2,3 0,0 0))", true);
// Self touching at a segment
test_self_touches<polygon>("POLYGON((0 0,0 3,2 3,2 2,1 2,1 1,2 1,2 2.5,3 2.5,3 0,0 0))", true);
}
int test_main( int , char* [] )
{
test_all<bg::model::d2::point_xy<double> >();
#if defined(HAVE_TTMATH)
test_all<bg::model::d2::point_xy<ttmath_big> >();
#endif
return 0;
}