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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <algorithm>
// template<ForwardIterator Iter, class T>
// requires HasLess<Iter::value_type, T>
// Iter
// lower_bound(Iter first, Iter last, const T& value);
#include <algorithm>
#include <vector>
#include <cassert>
#include "../../../iterators.h"
template <class Iter, class T>
void
test(Iter first, Iter last, const T& value)
{
Iter i = std::lower_bound(first, last, value);
for (Iter j = first; j != i; ++j)
assert(*j < value);
for (Iter j = i; j != last; ++j)
assert(!(*j < value));
}
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());
for (x = 0; x <= M; ++x)
test(Iter(v.data()), Iter(v.data()+v.size()), x);
}
int main()
{
int d[] = {0, 1, 2, 3};
for (int* e = d; e <= d+4; ++e)
for (int x = -1; x <= 4; ++x)
test(d, e, x);
test<forward_iterator<const int*> >();
test<bidirectional_iterator<const int*> >();
test<random_access_iterator<const int*> >();
test<const int*>();
}
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