| // Copyright 2002 The Trustees of Indiana University. |
| |
| // 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) |
| |
| // Boost.MultiArray Library |
| // Authors: Ronald Garcia |
| // Jeremy Siek |
| // Andrew Lumsdaine |
| // See http://www.boost.org/libs/multi_array for documentation. |
| |
| // |
| // range1.cpp - test of index_range |
| // |
| |
| |
| #include "boost/multi_array/index_range.hpp" |
| |
| #include "boost/test/minimal.hpp" |
| |
| #include "boost/array.hpp" |
| #include <cstddef> |
| |
| int |
| test_main(int,char*[]) |
| { |
| typedef boost::detail::multi_array::index_range<int,std::size_t> range; |
| |
| { |
| // typical range creation and extraction |
| range r1(-3,5); |
| BOOST_CHECK(r1.start() == -3); |
| BOOST_CHECK(r1.finish() == 5); |
| BOOST_CHECK(r1.stride() == 1); |
| BOOST_CHECK(!r1.is_degenerate()); |
| BOOST_CHECK(r1.get_start(0) == -3); |
| BOOST_CHECK(r1.get_finish(100) == 5); |
| } |
| |
| { |
| range r2(-3,5,2); |
| BOOST_CHECK(r2.start() == -3); |
| BOOST_CHECK(r2.finish() == 5); |
| BOOST_CHECK(r2.stride() == 2); |
| BOOST_CHECK(!r2.is_degenerate()); |
| } |
| |
| { |
| // degenerate creation |
| range r3(5); |
| BOOST_CHECK(r3.start() == 5); |
| BOOST_CHECK(r3.finish() == 6); |
| BOOST_CHECK(r3.stride() == 1); |
| BOOST_CHECK(r3.is_degenerate()); |
| } |
| |
| { |
| // default range creation |
| range r4; |
| BOOST_CHECK(r4.get_start(0) == 0); |
| BOOST_CHECK(r4.get_finish(100) == 100); |
| BOOST_CHECK(r4.stride() == 1); |
| } |
| |
| { |
| // create a range using the setter methods |
| range r5 = range().stride(2).start(-3).finish(7); |
| BOOST_CHECK(r5.start() == -3); |
| BOOST_CHECK(r5.stride() == 2); |
| BOOST_CHECK(r5.finish() == 7); |
| } |
| |
| // try out all the comparison operators |
| { |
| range r6 = -3 <= range().stride(2) < 7; |
| BOOST_CHECK(r6.start() == -3); |
| BOOST_CHECK(r6.stride() == 2); |
| BOOST_CHECK(r6.finish() == 7); |
| } |
| |
| { |
| range r7 = -3 < range() <= 7; |
| BOOST_CHECK(r7.start() == -2); |
| BOOST_CHECK(r7.stride() == 1); |
| BOOST_CHECK(r7.finish() == 8); |
| } |
| |
| // arithmetic operators |
| { |
| range r8 = range(0,5) + 2; |
| BOOST_CHECK(r8.start() == 2); |
| BOOST_CHECK(r8.stride() == 1); |
| BOOST_CHECK(r8.finish() == 7); |
| } |
| |
| { |
| range r9 = range(0,5) - 2; |
| BOOST_CHECK(r9.start() == -2); |
| BOOST_CHECK(r9.stride() == 1); |
| BOOST_CHECK(r9.finish() == 3); |
| } |
| |
| return boost::exit_success; |
| } |