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[test][views] Add random_access_view tests

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Adam Wulkiewicz 2022-03-18 23:11:21 +01:00
parent b8e7811830
commit cf79637b40
2 changed files with 130 additions and 2 deletions
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9
test/views/Jamfile
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# Copyright (c) 2009-2015 Mateusz Loskot, London, UK.
# Copyright (c) 2015 Adam Wulkiewicz, Lodz, Poland.
#
# This file was modified by Oracle on 2022.
# Modifications copyright (c) 2022 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)
test-suite boost-geometry-views
:
[ run segment_view.cpp : : : : views_segment_view ]
[ run box_view.cpp : : : : views_box_view ]
[ run reversible_view.cpp : : : : views_reversible_view ]
[ run closeable_view.cpp : : : : views_closeable_view ]
[ run random_access_view.cpp : : : : views_random_access_view ]
[ run reversible_closeable.cpp : : : : views_reversible_closeable ]
[ run reversible_view.cpp : : : : views_reversible_view ]
[ run segment_view.cpp : : : : views_segment_view ]
;

123
test/views/random_access_view.cpp Normal file
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// Boost.Geometry
// Unit Test
// Copyright (c) 2022 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 <geometry_test_common.hpp>
#include <boost/variant.hpp>
#include <boost/geometry/views/detail/random_access_view.hpp>
#include <boost/geometry/geometries/geometries.hpp>
using point_t = bg::model::point<double, 2, bg::cs::cartesian>;
using linestring_t = bg::model::linestring<point_t>;
using polygon_t = bg::model::polygon<point_t>;
using variant_t = boost::variant<point_t, linestring_t, polygon_t>;
using gc_t = bg::model::geometry_collection<variant_t>;
using nra_gc_t = bg::model::geometry_collection<variant_t, std::list>;
struct rec_gc_t;
using rec_var_t = boost::variant<point_t, linestring_t, polygon_t, rec_gc_t>;
struct rec_gc_t : std::vector<rec_var_t>
{
rec_gc_t() = default;
rec_gc_t(std::initializer_list<rec_var_t> l) : std::vector<rec_var_t>(l) {}
};
struct rec_nra_gc_t;
using rec_nra_var_t = boost::variant<point_t, linestring_t, polygon_t, rec_nra_gc_t>;
struct rec_nra_gc_t : std::list<rec_nra_var_t>
{
rec_nra_gc_t() = default;
rec_nra_gc_t(std::initializer_list<rec_nra_var_t> l) : std::list<rec_nra_var_t>(l) {}
};
namespace boost { namespace geometry { namespace traits {
template<> struct tag<rec_gc_t> { typedef geometry_collection_tag type; };
template<> struct geometry_types<rec_gc_t> { typedef util::type_sequence<point_t, linestring_t, rec_gc_t, polygon_t> type; };
}}}
namespace boost { namespace geometry { namespace traits {
template<> struct tag<rec_nra_gc_t> { typedef geometry_collection_tag type; };
template<> struct geometry_types<rec_nra_gc_t> { typedef util::type_sequence<point_t, linestring_t, rec_nra_gc_t, polygon_t> type; };
}}}
template <typename GC>
GC make_gc()
{
return GC{
point_t{0, 0},
linestring_t{{1, 1}, {2, 2}},
polygon_t{{{3, 3}, {3, 4}, {4, 4}, {4, 3}, {3, 3}}},
polygon_t{{{5, 5}, {5, 6}, {6, 6}, {6, 5}, {5, 5}}}
};
}
template <typename GC>
GC make_rec_gc()
{
return GC{
point_t{0, 0},
GC {
// This should be put at the end because GC is processed in a BFS manner.
// So both GCs should be equivalent.
polygon_t{{{5, 5}, {5, 6}, {6, 6}, {6, 5}, {5, 5}}}
},
linestring_t{{1, 1}, {2, 2}},
polygon_t{{{3, 3}, {3, 4}, {4, 4}, {4, 3}, {3, 3}}},
};
}
template <typename GC, typename Make>
void test_all(Make make)
{
using view_t = bg::detail::random_access_view<GC>;
GC gc = make();
view_t rav{gc};
using non_gc_types = bg::util::type_sequence<point_t, linestring_t, polygon_t>;
using view_types = typename bg::traits::geometry_types<view_t>::type;
BOOST_STATIC_ASSERT((std::is_same<non_gc_types, view_types>::value));
BOOST_STATIC_ASSERT(bg::detail::is_random_access_range<view_t>::value);
BOOST_STATIC_ASSERT(! bg::detail::is_geometry_collection_recursive<view_t>::value);
size_t s = boost::size(gc);
for (size_t i = 0 ; i < s ; ++i)
{
bg::traits::iter_visit<bg::detail::random_access_view<GC>>::apply([&](auto&& g)
{
using geom_t = bg::util::remove_cref_t<decltype(g)>;
if (i == 0) { BOOST_CHECK(bg::util::is_point<geom_t>::value); }
else if (i == 1) { BOOST_CHECK(bg::util::is_linestring<geom_t>::value); }
else { BOOST_CHECK(bg::util::is_polygon<geom_t>::value); }
}, rav.begin() + i);
}
}
int test_main(int, char* [])
{
BOOST_STATIC_ASSERT(bg::detail::is_random_access_range<gc_t>::value);
BOOST_STATIC_ASSERT(! bg::detail::is_random_access_range<nra_gc_t>::value);
BOOST_STATIC_ASSERT(bg::detail::is_random_access_range<rec_gc_t>::value);
BOOST_STATIC_ASSERT(! bg::detail::is_random_access_range<rec_nra_gc_t>::value);
BOOST_STATIC_ASSERT(! bg::detail::is_geometry_collection_recursive<gc_t>::value);
BOOST_STATIC_ASSERT(! bg::detail::is_geometry_collection_recursive<nra_gc_t>::value);
BOOST_STATIC_ASSERT(bg::detail::is_geometry_collection_recursive<rec_gc_t>::value);
BOOST_STATIC_ASSERT(bg::detail::is_geometry_collection_recursive<rec_nra_gc_t>::value);
test_all<gc_t>(make_gc<gc_t>);
test_all<nra_gc_t>(make_gc<nra_gc_t>);
test_all<rec_gc_t>(make_gc<rec_gc_t>);
test_all<rec_nra_gc_t>(make_gc<rec_nra_gc_t>);
return 0;
}