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Add tests for boost::advance/distance

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morinmorin
2017-06-29 22:09:26 +09:00
parent 663a30f659
commit d5b67c7fab
2 changed files with 128 additions and 0 deletions
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65
test/advance_test.cpp Normal file
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// Copyright (C) 2017 Michel Morin.
//
// 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)
#include <vector>
#include <list>
#include <boost/container/slist.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/iterator/advance.hpp>
#include <boost/iterator/transform_iterator.hpp>
int twice(int x) { return x + x; }
template <typename Iterator>
void test_advance(Iterator it_from, Iterator it_to, int n)
{
boost::advance(it_from, n);
BOOST_TEST(it_from == it_to);
}
int main()
{
int array[3] = {1, 2, 3};
int* ptr1 = array;
int* ptr2 = array + 3;
{
test_advance(ptr1, ptr2, 3);
test_advance(ptr2, ptr1, -3);
}
{
std::vector<int> ints(ptr1, ptr2);
test_advance(ints.begin(), ints.end(), 3);
test_advance(ints.end(), ints.begin(), -3);
}
{
test_advance(
boost::make_transform_iterator(ptr1, twice)
, boost::make_transform_iterator(ptr2, twice)
, 3
);
test_advance(
boost::make_transform_iterator(ptr2, twice)
, boost::make_transform_iterator(ptr1, twice)
, -3
);
}
{
std::list<int> ints(ptr1, ptr2);
test_advance(ints.begin(), ints.end(), 3);
test_advance(ints.end(), ints.begin(), -3);
}
{
boost::container::slist<int> ints(ptr1, ptr2);
test_advance(ints.begin(), ints.end(), 3);
}
return boost::report_errors();
}

63
test/distance_test.cpp Normal file
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// Copyright (C) 2017 Michel Morin.
//
// 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)
#include <vector>
#include <list>
#include <boost/container/slist.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/iterator/distance.hpp>
#include <boost/iterator/transform_iterator.hpp>
int twice(int x) { return x + x; }
template <typename Iterator>
void test_distance(Iterator it_from, Iterator it_to, int n)
{
BOOST_TEST(boost::distance(it_from, it_to) == n);
}
int main()
{
int array[3] = {1, 2, 3};
int* ptr1 = array;
int* ptr2 = array + 3;
{
test_distance(ptr1, ptr2, 3);
test_distance(ptr2, ptr1, -3);
}
{
std::vector<int> ints(ptr1, ptr2);
test_distance(ints.begin(), ints.end(), 3);
test_distance(ints.end(), ints.begin(), -3);
}
{
test_distance(
boost::make_transform_iterator(ptr1, twice)
, boost::make_transform_iterator(ptr2, twice)
, 3
);
test_distance(
boost::make_transform_iterator(ptr2, twice)
, boost::make_transform_iterator(ptr1, twice)
, -3
);
}
{
std::list<int> ints(ptr1, ptr2);
test_distance(ints.begin(), ints.end(), 3);
}
{
boost::container::slist<int> ints(ptr1, ptr2);
test_distance(ints.begin(), ints.end(), 3);
}
return boost::report_errors();
}