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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <algorithm>
// template<class ForwardIterator, class Predicate>
// ForwardIterator
// partition_point(ForwardIterator first, ForwardIterator last, Predicate pred);
#include <algorithm>
#include <cassert>
#include "test_iterators.h"
struct is_odd
{
bool operator()(const int& i) const {return i & 1;}
};
int main()
{
{
const int ia[] = {2, 4, 6, 8, 10};
assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)),
forward_iterator<const int*>(std::end(ia)),
is_odd()) == forward_iterator<const int*>(ia));
}
{
const int ia[] = {1, 2, 4, 6, 8};
assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)),
forward_iterator<const int*>(std::end(ia)),
is_odd()) == forward_iterator<const int*>(ia + 1));
}
{
const int ia[] = {1, 3, 2, 4, 6};
assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)),
forward_iterator<const int*>(std::end(ia)),
is_odd()) == forward_iterator<const int*>(ia + 2));
}
{
const int ia[] = {1, 3, 5, 2, 4, 6};
assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)),
forward_iterator<const int*>(std::end(ia)),
is_odd()) == forward_iterator<const int*>(ia + 3));
}
{
const int ia[] = {1, 3, 5, 7, 2, 4};
assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)),
forward_iterator<const int*>(std::end(ia)),
is_odd()) == forward_iterator<const int*>(ia + 4));
}
{
const int ia[] = {1, 3, 5, 7, 9, 2};
assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)),
forward_iterator<const int*>(std::end(ia)),
is_odd()) == forward_iterator<const int*>(ia + 5));
}
{
const int ia[] = {1, 3, 5, 7, 9, 11};
assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)),
forward_iterator<const int*>(std::end(ia)),
is_odd()) == forward_iterator<const int*>(ia + 6));
}
{
const int ia[] = {1, 3, 5, 2, 4, 6, 7};
assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)),
forward_iterator<const int*>(std::begin(ia)),
is_odd()) == forward_iterator<const int*>(ia));
}
}
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