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//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <vector>
// iterator begin();
// iterator end();
// const_iterator begin() const;
// const_iterator end() const;
// const_iterator cbegin() const;
// const_iterator cend() const;
#include <vector>
#include <cassert>
#include <iterator>
#include "min_allocator.h"
struct A
{
int first;
int second;
};
int main()
{
{
typedef int T;
typedef std::vector<T> C;
C c;
C::iterator i = c.begin();
C::iterator j = c.end();
assert(std::distance(i, j) == 0);
assert(i == j);
}
{
typedef int T;
typedef std::vector<T> C;
const C c;
C::const_iterator i = c.begin();
C::const_iterator j = c.end();
assert(std::distance(i, j) == 0);
assert(i == j);
}
{
typedef int T;
typedef std::vector<T> C;
C c;
C::const_iterator i = c.cbegin();
C::const_iterator j = c.cend();
assert(std::distance(i, j) == 0);
assert(i == j);
assert(i == c.end());
}
{
typedef int T;
typedef std::vector<T> C;
const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
C c(std::begin(t), std::end(t));
C::iterator i = c.begin();
assert(*i == 0);
++i;
assert(*i == 1);
*i = 10;
assert(*i == 10);
assert(std::distance(c.begin(), c.end()) == 10);
}
{
typedef int T;
typedef std::vector<T> C;
C::iterator i;
C::const_iterator j;
}
#if __cplusplus >= 201103L
{
typedef int T;
typedef std::vector<T, min_allocator<T>> C;
C c;
C::iterator i = c.begin();
C::iterator j = c.end();
assert(std::distance(i, j) == 0);
assert(i == j);
}
{
typedef int T;
typedef std::vector<T, min_allocator<T>> C;
const C c;
C::const_iterator i = c.begin();
C::const_iterator j = c.end();
assert(std::distance(i, j) == 0);
assert(i == j);
}
{
typedef int T;
typedef std::vector<T, min_allocator<T>> C;
C c;
C::const_iterator i = c.cbegin();
C::const_iterator j = c.cend();
assert(std::distance(i, j) == 0);
assert(i == j);
assert(i == c.end());
}
{
typedef int T;
typedef std::vector<T, min_allocator<T>> C;
const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
C c(std::begin(t), std::end(t));
C::iterator i = c.begin();
assert(*i == 0);
++i;
assert(*i == 1);
*i = 10;
assert(*i == 10);
assert(std::distance(c.begin(), c.end()) == 10);
}
{
typedef int T;
typedef std::vector<T, min_allocator<T>> C;
C::iterator i;
C::const_iterator j;
}
{
typedef A T;
typedef std::vector<T, min_allocator<T>> C;
C c = {A{1, 2}};
C::iterator i = c.begin();
i->first = 3;
C::const_iterator j = i;
assert(j->first == 3);
}
#endif
#if _LIBCPP_STD_VER > 11
{ // N3644 testing
typedef std::vector<int> C;
C::iterator ii1{}, ii2{};
C::iterator ii4 = ii1;
C::const_iterator cii{};
assert ( ii1 == ii2 );
assert ( ii1 == ii4 );
assert (!(ii1 != ii2 ));
assert ( (ii1 == cii ));
assert ( (cii == ii1 ));
assert (!(ii1 != cii ));
assert (!(cii != ii1 ));
assert (!(ii1 < cii ));
assert (!(cii < ii1 ));
assert ( (ii1 <= cii ));
assert ( (cii <= ii1 ));
assert (!(ii1 > cii ));
assert (!(cii > ii1 ));
assert ( (ii1 >= cii ));
assert ( (cii >= ii1 ));
assert (cii - ii1 == 0);
assert (ii1 - cii == 0);
}
#endif
}
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