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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.
//
//===----------------------------------------------------------------------===//
// <map>
// class map
// iterator begin();
// const_iterator begin() const;
// iterator end();
// const_iterator end() const;
//
// reverse_iterator rbegin();
// const_reverse_iterator rbegin() const;
// reverse_iterator rend();
// const_reverse_iterator rend() const;
//
// const_iterator cbegin() const;
// const_iterator cend() const;
// const_reverse_iterator crbegin() const;
// const_reverse_iterator crend() const;
#include <map>
#include <cassert>
int main()
{
{
typedef std::pair<const int, double> V;
V ar[] =
{
V(1, 1),
V(1, 1.5),
V(1, 2),
V(2, 1),
V(2, 1.5),
V(2, 2),
V(3, 1),
V(3, 1.5),
V(3, 2),
V(4, 1),
V(4, 1.5),
V(4, 2),
V(5, 1),
V(5, 1.5),
V(5, 2),
V(6, 1),
V(6, 1.5),
V(6, 2),
V(7, 1),
V(7, 1.5),
V(7, 2),
V(8, 1),
V(8, 1.5),
V(8, 2)
};
std::map<int, double> m(ar, ar+sizeof(ar)/sizeof(ar[0]));
assert(std::distance(m.begin(), m.end()) == m.size());
assert(std::distance(m.rbegin(), m.rend()) == m.size());
std::map<int, double>::iterator i = m.begin();
std::map<int, double>::const_iterator k = i;
assert(i == k);
for (int j = 1; j <= m.size(); ++j, ++i)
{
assert(i->first == j);
assert(i->second == 1);
i->second = 2.5;
assert(i->second == 2.5);
}
}
{
typedef std::pair<const int, double> V;
V ar[] =
{
V(1, 1),
V(1, 1.5),
V(1, 2),
V(2, 1),
V(2, 1.5),
V(2, 2),
V(3, 1),
V(3, 1.5),
V(3, 2),
V(4, 1),
V(4, 1.5),
V(4, 2),
V(5, 1),
V(5, 1.5),
V(5, 2),
V(6, 1),
V(6, 1.5),
V(6, 2),
V(7, 1),
V(7, 1.5),
V(7, 2),
V(8, 1),
V(8, 1.5),
V(8, 2)
};
const std::map<int, double> m(ar, ar+sizeof(ar)/sizeof(ar[0]));
assert(std::distance(m.begin(), m.end()) == m.size());
assert(std::distance(m.cbegin(), m.cend()) == m.size());
assert(std::distance(m.rbegin(), m.rend()) == m.size());
assert(std::distance(m.crbegin(), m.crend()) == m.size());
std::map<int, double>::const_iterator i = m.begin();
for (int j = 1; j <= m.size(); ++j, ++i)
{
assert(i->first == j);
assert(i->second == 1);
}
}
}
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