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libcxx initial import

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
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Howard Hinnant
2010-05-11 19:42:16 +00:00
commit bc8d3f97eb
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45
test/iterators/iterator.primitives/iterator.operations/advance.pass.cpp Normal file
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//===----------------------------------------------------------------------===//
//
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <iterator>
// template <InputIterator Iter>
// void advance(Iter& i, Iter::difference_type n);
//
// template <BidirectionalIterator Iter>
// void advance(Iter& i, Iter::difference_type n);
//
// template <RandomAccessIterator Iter>
// void advance(Iter& i, Iter::difference_type n);
#include <iterator>
#include <cassert>
#include "../../iterators.h"
template <class It>
void
test(It i, typename std::iterator_traits<It>::difference_type n, It x)
{
std::advance(i, n);
assert(i == x);
}
int main()
{
const char* s = "1234567890";
test(input_iterator<const char*>(s), 10, input_iterator<const char*>(s+10));
test(forward_iterator<const char*>(s), 10, forward_iterator<const char*>(s+10));
test(bidirectional_iterator<const char*>(s+5), 5, bidirectional_iterator<const char*>(s+10));
test(bidirectional_iterator<const char*>(s+5), -5, bidirectional_iterator<const char*>(s));
test(random_access_iterator<const char*>(s+5), 5, random_access_iterator<const char*>(s+10));
test(random_access_iterator<const char*>(s+5), -5, random_access_iterator<const char*>(s));
test(s+5, 5, s+10);
test(s+5, -5, s);
}