forked from mirror/libcxx
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
1.5 KiB
C++
61 lines
1.5 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<BidirectionalIterator Iter>
|
|
// requires HasSwap<Iter::reference, Iter::reference>
|
|
// void
|
|
// reverse(Iter first, Iter last);
|
|
|
|
#include <algorithm>
|
|
#include <cassert>
|
|
|
|
#include "test_iterators.h"
|
|
|
|
template <class Iter>
|
|
void
|
|
test()
|
|
{
|
|
int ia[] = {0};
|
|
const unsigned sa = sizeof(ia)/sizeof(ia[0]);
|
|
std::reverse(Iter(ia), Iter(ia));
|
|
assert(ia[0] == 0);
|
|
std::reverse(Iter(ia), Iter(ia+sa));
|
|
assert(ia[0] == 0);
|
|
|
|
int ib[] = {0, 1};
|
|
const unsigned sb = sizeof(ib)/sizeof(ib[0]);
|
|
std::reverse(Iter(ib), Iter(ib+sb));
|
|
assert(ib[0] == 1);
|
|
assert(ib[1] == 0);
|
|
|
|
int ic[] = {0, 1, 2};
|
|
const unsigned sc = sizeof(ic)/sizeof(ic[0]);
|
|
std::reverse(Iter(ic), Iter(ic+sc));
|
|
assert(ic[0] == 2);
|
|
assert(ic[1] == 1);
|
|
assert(ic[2] == 0);
|
|
|
|
int id[] = {0, 1, 2, 3};
|
|
const unsigned sd = sizeof(id)/sizeof(id[0]);
|
|
std::reverse(Iter(id), Iter(id+sd));
|
|
assert(id[0] == 3);
|
|
assert(id[1] == 2);
|
|
assert(id[2] == 1);
|
|
assert(id[3] == 0);
|
|
}
|
|
|
|
int main()
|
|
{
|
|
test<bidirectional_iterator<int*> >();
|
|
test<random_access_iterator<int*> >();
|
|
test<int*>();
|
|
}
|