mirror of
https://github.com/boostorg/multi_array.git
synced 2025-05-10 15:33:51 +00:00
95 lines
2.0 KiB
C++
95 lines
2.0 KiB
C++
//
|
|
// range1.cpp - test of index_range
|
|
//
|
|
|
|
|
|
#include "boost/multi_array/index_range.hpp"
|
|
|
|
#define BOOST_INCLUDE_MAIN
|
|
#include "boost/test/test_tools.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_TEST(r1.start() == -3);
|
|
BOOST_TEST(r1.finish() == 5);
|
|
BOOST_TEST(r1.stride() == 1);
|
|
BOOST_TEST(!r1.is_degenerate());
|
|
BOOST_TEST(r1.get_start(0) == -3);
|
|
BOOST_TEST(r1.get_finish(100) == 5);
|
|
}
|
|
|
|
{
|
|
range r2(-3,5,2);
|
|
BOOST_TEST(r2.start() == -3);
|
|
BOOST_TEST(r2.finish() == 5);
|
|
BOOST_TEST(r2.stride() == 2);
|
|
BOOST_TEST(!r2.is_degenerate());
|
|
}
|
|
|
|
{
|
|
// degenerate creation
|
|
range r3(5);
|
|
BOOST_TEST(r3.start() == 5);
|
|
BOOST_TEST(r3.finish() == 5);
|
|
BOOST_TEST(r3.stride() == 1);
|
|
BOOST_TEST(r3.is_degenerate());
|
|
}
|
|
|
|
{
|
|
// default range creation
|
|
range r4;
|
|
BOOST_TEST(r4.get_start(0) == 0);
|
|
BOOST_TEST(r4.get_finish(100) == 100);
|
|
BOOST_TEST(r4.stride() == 1);
|
|
}
|
|
|
|
{
|
|
// create a range using the setter methods
|
|
range r5 = range().stride(2).start(-3).finish(7);
|
|
BOOST_TEST(r5.start() == -3);
|
|
BOOST_TEST(r5.stride() == 2);
|
|
BOOST_TEST(r5.finish() == 7);
|
|
}
|
|
|
|
// try out all the comparison operators
|
|
{
|
|
range r6 = -3 <= range().stride(2) < 7;
|
|
BOOST_TEST(r6.start() == -3);
|
|
BOOST_TEST(r6.stride() == 2);
|
|
BOOST_TEST(r6.finish() == 7);
|
|
}
|
|
|
|
{
|
|
range r7 = -3 < range() <= 7;
|
|
BOOST_TEST(r7.start() == -2);
|
|
BOOST_TEST(r7.stride() == 1);
|
|
BOOST_TEST(r7.finish() == 8);
|
|
}
|
|
|
|
// arithmetic operators
|
|
{
|
|
range r8 = range(0,5) + 2;
|
|
BOOST_TEST(r8.start() == 2);
|
|
BOOST_TEST(r8.stride() == 1);
|
|
BOOST_TEST(r8.finish() == 7);
|
|
}
|
|
|
|
{
|
|
range r9 = range(0,5) - 2;
|
|
BOOST_TEST(r9.start() == -2);
|
|
BOOST_TEST(r9.stride() == 1);
|
|
BOOST_TEST(r9.finish() == 3);
|
|
}
|
|
|
|
return boost::exit_success;
|
|
}
|