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//---------------------------------------------------------------------------//
// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
//
// Distributed under 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
//
// See http://boostorg.github.com/compute for more information.
//---------------------------------------------------------------------------//
#define BOOST_TEST_MODULE TestCountingIterator
#include <boost/test/unit_test.hpp>
#include <iterator>
#include <boost/type_traits.hpp>
#include <boost/static_assert.hpp>
#include <boost/compute/algorithm/copy.hpp>
#include <boost/compute/container/vector.hpp>
#include <boost/compute/iterator/counting_iterator.hpp>
#include "check_macros.hpp"
#include "context_setup.hpp"
BOOST_AUTO_TEST_CASE(value_type)
{
BOOST_STATIC_ASSERT((
boost::is_same<
boost::compute::counting_iterator<int>::value_type,
int
>::value
));
BOOST_STATIC_ASSERT((
boost::is_same<
boost::compute::counting_iterator<float>::value_type,
float
>::value
));
}
BOOST_AUTO_TEST_CASE(distance)
{
BOOST_CHECK_EQUAL(
std::distance(
boost::compute::make_counting_iterator(0),
boost::compute::make_counting_iterator(10)
),
std::ptrdiff_t(10)
);
BOOST_CHECK_EQUAL(
std::distance(
boost::compute::make_counting_iterator(5),
boost::compute::make_counting_iterator(10)
),
std::ptrdiff_t(5)
);
BOOST_CHECK_EQUAL(
std::distance(
boost::compute::make_counting_iterator(-5),
boost::compute::make_counting_iterator(5)
),
std::ptrdiff_t(10)
);
}
BOOST_AUTO_TEST_CASE(copy)
{
boost::compute::vector<int> vector(10, context);
boost::compute::copy(
boost::compute::make_counting_iterator(1),
boost::compute::make_counting_iterator(11),
vector.begin(),
queue
);
CHECK_RANGE_EQUAL(
int, 10, vector,
(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
);
}
BOOST_AUTO_TEST_CASE(iota_with_copy_doctest)
{
//! [iota_with_copy]
using boost::compute::make_counting_iterator;
boost::compute::vector<int> result(5, context);
boost::compute::copy(
make_counting_iterator(1), make_counting_iterator(6), result.begin(), queue
);
// result == { 1, 2, 3, 4, 5 }
//! [iota_with_copy]
CHECK_RANGE_EQUAL(int, 5, result, (1, 2, 3, 4, 5));
}
BOOST_AUTO_TEST_SUITE_END()
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