cxx/test/algorithms/alg.nonmodifying/mismatch/mismatch_pred.pass.cpp

40 lines
1.4 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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<InputIterator Iter1, InputIterator Iter2,
// Predicate<auto, Iter1::value_type, Iter2::value_type> Pred>
// requires CopyConstructible<Pred>
// pair<Iter1, Iter2>
// mismatch(Iter1 first1, Iter1 last1, Iter2 first2, Pred pred);
#include <algorithm>
#include <functional>
#include <cassert>
#include "../../../iterators.h"
int main()
{
int ia[] = {0, 1, 2, 2, 0, 1, 2, 3};
const unsigned sa = sizeof(ia)/sizeof(ia[0]);
int ib[] = {0, 1, 2, 3, 0, 1, 2, 3};
assert(std::mismatch(input_iterator<const int*>(ia),
input_iterator<const int*>(ia + sa),
input_iterator<const int*>(ib),
std::equal_to<int>()) ==
(std::pair<input_iterator<const int*>,
input_iterator<const int*> >(
input_iterator<const int*>(ia+3),
input_iterator<const int*>(ib+3))));
assert(std::mismatch(ia, ia + sa, ib, std::equal_to<int>()) ==
(std::pair<int*,int*>(ia+3,ib+3)));
}