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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <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 "test_macros.h"
#include "min_allocator.h"
TEST_CONSTEXPR_CXX20 bool tests()
{
using IterRefT = std::iterator_traits<std::vector<bool>::iterator>::reference;
ASSERT_SAME_TYPE(IterRefT, std::vector<bool>::reference);
using ConstIterRefT = std::iterator_traits<std::vector<bool>::const_iterator>::reference;
#if !defined(_LIBCPP_VERSION) || defined(_LIBCPP_ABI_BITSET_VECTOR_BOOL_CONST_SUBSCRIPT_RETURN_BOOL)
ASSERT_SAME_TYPE(ConstIterRefT, bool);
#else
ASSERT_SAME_TYPE(ConstIterRefT, std::__bit_const_reference<std::vector<bool> >);
#endif
{
typedef bool 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 bool 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 bool 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 bool T;
typedef std::vector<T> C;
C::iterator i;
C::const_iterator j;
(void) i;
(void) j;
}
#if TEST_STD_VER >= 11
{
typedef bool 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 bool 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 bool 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 bool T;
typedef std::vector<T, min_allocator<T>> C;
C::iterator i;
C::const_iterator j;
(void) i;
(void) j;
}
#endif
#if TEST_STD_VER > 11
{ // N3644 testing
std::vector<bool>::iterator ii1{}, ii2{};
std::vector<bool>::iterator ii4 = ii1;
std::vector<bool>::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
return true;
}
int main(int, char**)
{
tests();
#if TEST_STD_VER > 17
static_assert(tests());
#endif
return 0;
}
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