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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<ForwardIterator Iter, class T, CopyConstructible Compare>
// requires Predicate<Compare, T, Iter::value_type>
// && Predicate<Compare, Iter::value_type, T>
// bool
// binary_search(Iter first, Iter last, const T& value, Compare comp);
#include <algorithm>
#include <vector>
#include <functional>
#include <cassert>
#include "test_iterators.h"
template <class Iter, class T>
void
test(Iter first, Iter last, const T& value, bool x)
{
assert(std::binary_search(first, last, value, std::greater<int>()) == x);
}
template <class Iter>
void
test()
{
const unsigned N = 1000;
const unsigned M = 10;
std::vector<int> v(N);
int x = 0;
for (int i = 0; i < v.size(); ++i)
{
v[i] = x;
if (++x == M)
x = 0;
}
std::sort(v.begin(), v.end(), std::greater<int>());
for (x = 0; x < M; ++x)
test(Iter(v.data()), Iter(v.data()+v.size()), x, true);
test(Iter(v.data()), Iter(v.data()+v.size()), -1, false);
test(Iter(v.data()), Iter(v.data()+v.size()), M, false);
}
int main()
{
int d[] = {6, 4, 2, 0};
for (int* e = d; e <= d+4; ++e)
for (int x = -1; x <= 7; ++x)
test(d, e, x, (x % 2 == 0) && e != d && (-2*(e-d) + 8 <= x));
test<forward_iterator<const int*> >();
test<bidirectional_iterator<const int*> >();
test<random_access_iterator<const int*> >();
test<const int*>();
}
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