LWG Issue 2210 (Part #1): deque

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@190251 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow 2013-09-07 16:16:19 +00:00
parent 62f34be0ba
commit ab04aadaf4
2 changed files with 70 additions and 2 deletions

View File

@ -41,6 +41,7 @@ public:
deque() noexcept(is_nothrow_default_constructible<allocator_type>::value);
explicit deque(const allocator_type& a);
explicit deque(size_type n);
explicit deque(size_type n, const Allocator& a); // C++14
deque(size_type n, const value_type& v);
deque(size_type n, const value_type& v, const allocator_type& a);
template <class InputIterator>
@ -1209,6 +1210,9 @@ public:
{}
_LIBCPP_INLINE_VISIBILITY deque(const allocator_type& __a) : __base(__a) {}
explicit deque(size_type __n);
#if _LIBCPP_STD_VER > 11
explicit deque(size_type __n, const _Allocator& __a);
#endif
deque(size_type __n, const value_type& __v);
deque(size_type __n, const value_type& __v, const allocator_type& __a);
template <class _InputIter>
@ -1431,6 +1435,16 @@ deque<_Tp, _Allocator>::deque(size_type __n)
__append(__n);
}
#if _LIBCPP_STD_VER > 11
template <class _Tp, class _Allocator>
deque<_Tp, _Allocator>::deque(size_type __n, const _Allocator& __a)
: __base(__a)
{
if (__n > 0)
__append(__n);
}
#endif
template <class _Tp, class _Allocator>
deque<_Tp, _Allocator>::deque(size_type __n, const value_type& __v)
{

View File

@ -20,7 +20,29 @@
template <class T, class Allocator>
void
test(unsigned n)
test2(unsigned n)
{
#if _LIBCPP_STD_VER > 11
typedef std::deque<T, Allocator> C;
typedef typename C::const_iterator const_iterator;
assert(DefaultOnly::count == 0);
{
C d(n, Allocator());
assert(DefaultOnly::count == n);
assert(d.size() == n);
assert(distance(d.begin(), d.end()) == d.size());
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
for (const_iterator i = d.begin(), e = d.end(); i != e; ++i)
assert(*i == T());
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}
assert(DefaultOnly::count == 0);
#endif
}
template <class T, class Allocator>
void
test1(unsigned n)
{
typedef std::deque<T, Allocator> C;
typedef typename C::const_iterator const_iterator;
@ -38,6 +60,29 @@ test(unsigned n)
assert(DefaultOnly::count == 0);
}
template <class T, class Allocator>
void
test3(unsigned n, Allocator const &alloc = Allocator())
{
#if _LIBCPP_STD_VER > 11
typedef std::deque<T, Allocator> C;
typedef typename C::const_iterator const_iterator;
{
C d(n, alloc);
assert(d.size() == n);
assert(d.get_allocator() == alloc);
}
#endif
}
template <class T, class Allocator>
void
test(unsigned n)
{
test1<T, Allocator> ( n );
test2<T, Allocator> ( n );
}
int main()
{
test<DefaultOnly, std::allocator<DefaultOnly> >(0);
@ -52,8 +97,17 @@ int main()
test<DefaultOnly, std::allocator<DefaultOnly> >(4095);
test<DefaultOnly, std::allocator<DefaultOnly> >(4096);
test<DefaultOnly, std::allocator<DefaultOnly> >(4097);
test<DefaultOnly, stack_allocator<DefaultOnly, 4096> >(4095);
test1<DefaultOnly, stack_allocator<DefaultOnly, 4096> >(4095);
#if __cplusplus >= 201103L
test<DefaultOnly, min_allocator<DefaultOnly> >(4095);
#endif
#if _LIBCPP_STD_VER > 11
test3<DefaultOnly, std::allocator<DefaultOnly>> (1023);
test3<int, std::allocator<int>>(1);
test3<int, min_allocator<int>> (3);
#endif
}