libcxx/test/algorithms/alg.modifying.operations/alg.replace/replace_copy.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <algorithm>

// template<InputIterator InIter, typename OutIter, class T>
//   requires OutputIterator<OutIter, InIter::reference>
//         && OutputIterator<OutIter, const T&>
//         && HasEqualTo<InIter::value_type, T>
//   OutIter
//   replace_copy(InIter first, InIter last, OutIter result, const T& old_value,
//                                                           const T& new_value);

#include <algorithm>
#include <cassert>

#include "../../iterators.h"

template <class InIter, class OutIter>
void
test()
{
    int ia[] = {0, 1, 2, 3, 4};
    const unsigned sa = sizeof(ia)/sizeof(ia[0]);
    int ib[sa] = {0};
    OutIter r = std::replace_copy(InIter(ia), InIter(ia+sa), OutIter(ib), 2, 5);
    assert(base(r) == ib + sa);
    assert(ib[0] == 0);
    assert(ib[1] == 1);
    assert(ib[2] == 5);
    assert(ib[3] == 3);
    assert(ib[4] == 4);
}

int main()
{
    test<input_iterator<const int*>, output_iterator<int*> >();
    test<input_iterator<const int*>, forward_iterator<int*> >();
    test<input_iterator<const int*>, bidirectional_iterator<int*> >();
    test<input_iterator<const int*>, random_access_iterator<int*> >();
    test<input_iterator<const int*>, int*>();

    test<forward_iterator<const int*>, output_iterator<int*> >();
    test<forward_iterator<const int*>, forward_iterator<int*> >();
    test<forward_iterator<const int*>, bidirectional_iterator<int*> >();
    test<forward_iterator<const int*>, random_access_iterator<int*> >();
    test<forward_iterator<const int*>, int*>();

    test<bidirectional_iterator<const int*>, output_iterator<int*> >();
    test<bidirectional_iterator<const int*>, forward_iterator<int*> >();
    test<bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
    test<bidirectional_iterator<const int*>, random_access_iterator<int*> >();
    test<bidirectional_iterator<const int*>, int*>();

    test<random_access_iterator<const int*>, output_iterator<int*> >();
    test<random_access_iterator<const int*>, forward_iterator<int*> >();
    test<random_access_iterator<const int*>, bidirectional_iterator<int*> >();
    test<random_access_iterator<const int*>, random_access_iterator<int*> >();
    test<random_access_iterator<const int*>, int*>();

    test<const int*, output_iterator<int*> >();
    test<const int*, forward_iterator<int*> >();
    test<const int*, bidirectional_iterator<int*> >();
    test<const int*, random_access_iterator<int*> >();
    test<const int*, int*>();
}