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Vendor import of libc++ release_40 branch r293443:

Browse Source 
https://llvm.org/svn/llvm-project/libcxx/branches/release_40@293443
This commit is contained in:
Dimitry Andric 2017-01-29 20:59:02 +00:00
parent 90c3c6c2a0
commit 3efcd4e54b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/vendor/libc++/dist/; revision=312962
svn path=/vendor/libc++/libc++-release_40-r293443/; revision=312963; tag=vendor/libc++/libc++-release_40-r293443
20 changed files with 286 additions and 44 deletions
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9
include/__config
View File

@ -403,15 +403,6 @@ namespace std {
#define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow")))
#endif
// A constexpr version of __builtin_memcmp was added in clang 4.0
#if __has_builtin(__builtin_memcmp)
# ifdef __apple_build_version__
// No shipping version of Apple's clang has constexpr __builtin_memcmp
# elif __clang_major__ > 3
# define _LIBCPP_BUILTIN_MEMCMP_ISCONSTEXPR
# endif
#endif
#elif defined(_LIBCPP_COMPILER_GCC)
#define _ALIGNAS(x) __attribute__((__aligned__(x)))

12
include/__string
View File

@ -243,7 +243,7 @@ char_traits<char>::compare(const char_type* __s1, const char_type* __s2, size_t
{
if (__n == 0)
return 0;
#ifdef _LIBCPP_BUILTIN_MEMCMP_ISCONSTEXPR
#if __has_feature(cxx_constexpr_string_builtins)
return __builtin_memcmp(__s1, __s2, __n);
#elif _LIBCPP_STD_VER <= 14
return memcmp(__s1, __s2, __n);
@ -265,7 +265,9 @@ char_traits<char>::find(const char_type* __s, size_t __n, const char_type& __a)
{
if (__n == 0)
return NULL;
#if _LIBCPP_STD_VER <= 14
#if __has_feature(cxx_constexpr_string_builtins)
return __builtin_char_memchr(__s, to_int_type(__a), __n);
#elif _LIBCPP_STD_VER <= 14
return (const char_type*) memchr(__s, to_int_type(__a), __n);
#else
for (; __n; --__n)
@ -331,7 +333,7 @@ char_traits<wchar_t>::compare(const char_type* __s1, const char_type* __s2, size
{
if (__n == 0)
return 0;
#if __has_builtin(__builtin_wmemcmp)
#if __has_feature(cxx_constexpr_string_builtins)
return __builtin_wmemcmp(__s1, __s2, __n);
#elif _LIBCPP_STD_VER <= 14
return wmemcmp(__s1, __s2, __n);
@ -351,7 +353,7 @@ inline _LIBCPP_CONSTEXPR_AFTER_CXX14
size_t
char_traits<wchar_t>::length(const char_type* __s) _NOEXCEPT
{
#if __has_builtin(__builtin_wcslen)
#if __has_feature(cxx_constexpr_string_builtins)
return __builtin_wcslen(__s);
#elif _LIBCPP_STD_VER <= 14
return wcslen(__s);
@ -369,7 +371,7 @@ char_traits<wchar_t>::find(const char_type* __s, size_t __n, const char_type& __
{
if (__n == 0)
return NULL;
#if __has_builtin(__builtin_wmemchr)
#if __has_feature(cxx_constexpr_string_builtins)
return __builtin_wmemchr(__s, __a, __n);
#elif _LIBCPP_STD_VER <= 14
return wmemchr(__s, __a, __n);

22
include/__threading_support
View File

@ -40,6 +40,12 @@
#define _LIBCPP_THREAD_ABI_VISIBILITY inline _LIBCPP_INLINE_VISIBILITY
#endif
#if defined(__FreeBSD__) && defined(__clang__) && __has_attribute(no_thread_safety_analysis)
#define _LIBCPP_NO_THREAD_SAFETY_ANALYSIS __attribute__((no_thread_safety_analysis))
#else
#define _LIBCPP_NO_THREAD_SAFETY_ANALYSIS
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#if defined(_LIBCPP_HAS_THREAD_API_PTHREAD)
@ -98,25 +104,25 @@ typedef DWORD __libcpp_tls_key;
_LIBCPP_THREAD_ABI_VISIBILITY
int __libcpp_recursive_mutex_init(__libcpp_recursive_mutex_t *__m);
_LIBCPP_THREAD_ABI_VISIBILITY
_LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_NO_THREAD_SAFETY_ANALYSIS
int __libcpp_recursive_mutex_lock(__libcpp_recursive_mutex_t *__m);
_LIBCPP_THREAD_ABI_VISIBILITY
_LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_NO_THREAD_SAFETY_ANALYSIS
int __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t *__m);
_LIBCPP_THREAD_ABI_VISIBILITY
_LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_NO_THREAD_SAFETY_ANALYSIS
int __libcpp_recursive_mutex_unlock(__libcpp_recursive_mutex_t *__m);
_LIBCPP_THREAD_ABI_VISIBILITY
int __libcpp_recursive_mutex_destroy(__libcpp_recursive_mutex_t *__m);
_LIBCPP_THREAD_ABI_VISIBILITY
_LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_NO_THREAD_SAFETY_ANALYSIS
int __libcpp_mutex_lock(__libcpp_mutex_t *__m);
_LIBCPP_THREAD_ABI_VISIBILITY
_LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_NO_THREAD_SAFETY_ANALYSIS
int __libcpp_mutex_trylock(__libcpp_mutex_t *__m);
_LIBCPP_THREAD_ABI_VISIBILITY
_LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_NO_THREAD_SAFETY_ANALYSIS
int __libcpp_mutex_unlock(__libcpp_mutex_t *__m);
_LIBCPP_THREAD_ABI_VISIBILITY
@ -129,10 +135,10 @@ int __libcpp_condvar_signal(__libcpp_condvar_t* __cv);
_LIBCPP_THREAD_ABI_VISIBILITY
int __libcpp_condvar_broadcast(__libcpp_condvar_t* __cv);
_LIBCPP_THREAD_ABI_VISIBILITY
_LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_NO_THREAD_SAFETY_ANALYSIS
int __libcpp_condvar_wait(__libcpp_condvar_t* __cv, __libcpp_mutex_t* __m);
_LIBCPP_THREAD_ABI_VISIBILITY
_LIBCPP_THREAD_ABI_VISIBILITY _LIBCPP_NO_THREAD_SAFETY_ANALYSIS
int __libcpp_condvar_timedwait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m,
timespec *__ts);

23
include/deque
View File

@ -110,8 +110,8 @@ public:
void push_front(value_type&& v);
void push_back(const value_type& v);
void push_back(value_type&& v);
template <class... Args> reference emplace_front(Args&&... args);
template <class... Args> reference emplace_back(Args&&... args);
template <class... Args> reference emplace_front(Args&&... args); // reference in C++17
template <class... Args> reference emplace_back(Args&&... args); // reference in C++17
template <class... Args> iterator emplace(const_iterator p, Args&&... args);
iterator insert(const_iterator p, const value_type& v);
iterator insert(const_iterator p, value_type&& v);
@ -1342,8 +1342,13 @@ public:
void push_back(const value_type& __v);
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
#ifndef _LIBCPP_HAS_NO_VARIADICS
#if _LIBCPP_STD_VER > 14
template <class... _Args> reference emplace_front(_Args&&... __args);
template <class... _Args> reference emplace_back(_Args&&... __args);
template <class... _Args> reference emplace_back (_Args&&... __args);
#else
template <class... _Args> void emplace_front(_Args&&... __args);
template <class... _Args> void emplace_back (_Args&&... __args);
#endif
template <class... _Args> iterator emplace(const_iterator __p, _Args&&... __args);
#endif // _LIBCPP_HAS_NO_VARIADICS
void push_front(value_type&& __v);
@ -1822,7 +1827,11 @@ deque<_Tp, _Allocator>::push_back(value_type&& __v)
template <class _Tp, class _Allocator>
template <class... _Args>
#if _LIBCPP_STD_VER > 14
typename deque<_Tp, _Allocator>::reference
#else
void
#endif
deque<_Tp, _Allocator>::emplace_back(_Args&&... __args)
{
allocator_type& __a = __base::__alloc();
@ -1832,7 +1841,9 @@ deque<_Tp, _Allocator>::emplace_back(_Args&&... __args)
__alloc_traits::construct(__a, _VSTD::addressof(*__base::end()),
_VSTD::forward<_Args>(__args)...);
++__base::size();
#if _LIBCPP_STD_VER > 14
return *--__base::end();
#endif
}
#endif // _LIBCPP_HAS_NO_VARIADICS
@ -1870,7 +1881,11 @@ deque<_Tp, _Allocator>::push_front(value_type&& __v)
template <class _Tp, class _Allocator>
template <class... _Args>
#if _LIBCPP_STD_VER > 14
typename deque<_Tp, _Allocator>::reference
#else
void
#endif
deque<_Tp, _Allocator>::emplace_front(_Args&&... __args)
{
allocator_type& __a = __base::__alloc();
@ -1880,7 +1895,9 @@ deque<_Tp, _Allocator>::emplace_front(_Args&&... __args)
__alloc_traits::construct(__a, _VSTD::addressof(*--__base::begin()), _VSTD::forward<_Args>(__args)...);
--__base::__start_;
++__base::size();
#if _LIBCPP_STD_VER > 14
return *__base::begin();
#endif
}
#endif // _LIBCPP_HAS_NO_VARIADICS

12
include/forward_list
View File

@ -87,7 +87,7 @@ public:
reference front();
const_reference front() const;
template <class... Args> reference emplace_front(Args&&... args);
template <class... Args> reference emplace_front(Args&&... args); // reference in C++17
void push_front(const value_type& v);
void push_front(value_type&& v);
@ -747,7 +747,11 @@ public:
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
#ifndef _LIBCPP_HAS_NO_VARIADICS
#if _LIBCPP_STD_VER > 14
template <class... _Args> reference emplace_front(_Args&&... __args);
#else
template <class... _Args> void emplace_front(_Args&&... __args);
#endif
#endif
void push_front(value_type&& __v);
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@ -1103,7 +1107,11 @@ forward_list<_Tp, _Alloc>::assign(initializer_list<value_type> __il)
template <class _Tp, class _Alloc>
template <class... _Args>
#if _LIBCPP_STD_VER > 14
typename forward_list<_Tp, _Alloc>::reference
#else
void
#endif
forward_list<_Tp, _Alloc>::emplace_front(_Args&&... __args)
{
__node_allocator& __a = base::__alloc();
@ -1113,7 +1121,9 @@ forward_list<_Tp, _Alloc>::emplace_front(_Args&&... __args)
_VSTD::forward<_Args>(__args)...);
__h->__next_ = base::__before_begin()->__next_;
base::__before_begin()->__next_ = __h.release();
#if _LIBCPP_STD_VER > 14
return base::__before_begin()->__next_->__value_;
#endif
}
#endif // _LIBCPP_HAS_NO_VARIADICS

28
include/list
View File

@ -93,10 +93,10 @@ public:
size_type max_size() const noexcept;
template <class... Args>
reference emplace_front(Args&&... args);
reference emplace_front(Args&&... args); // reference in C++17
void pop_front();
template <class... Args>
reference emplace_back(Args&&... args);
reference emplace_back(Args&&... args); // reference in C++17
void pop_back();
void push_front(const value_type& x);
void push_front(value_type&& x);
@ -969,9 +969,17 @@ public:
void push_back(value_type&& __x);
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class... _Args>
#if _LIBCPP_STD_VER > 14
reference emplace_front(_Args&&... __args);
#else
void emplace_front(_Args&&... __args);
#endif
template <class... _Args>
#if _LIBCPP_STD_VER > 14
reference emplace_back(_Args&&... __args);
#else
void emplace_back(_Args&&... __args);
#endif
template <class... _Args>
iterator emplace(const_iterator __p, _Args&&... __args);
#endif // _LIBCPP_HAS_NO_VARIADICS
@ -1600,7 +1608,11 @@ list<_Tp, _Alloc>::push_back(value_type&& __x)
template <class _Tp, class _Alloc>
template <class... _Args>
#if _LIBCPP_STD_VER > 14
typename list<_Tp, _Alloc>::reference
#else
void
#endif
list<_Tp, _Alloc>::emplace_front(_Args&&... __args)
{
__node_allocator& __na = base::__node_alloc();
@ -1609,12 +1621,20 @@ list<_Tp, _Alloc>::emplace_front(_Args&&... __args)
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::forward<_Args>(__args)...);
__link_nodes_at_front(__hold.get()->__as_link(), __hold.get()->__as_link());
++base::__sz();
#if _LIBCPP_STD_VER > 14
return __hold.release()->__value_;
#else
__hold.release();
#endif
}
template <class _Tp, class _Alloc>
template <class... _Args>
#if _LIBCPP_STD_VER > 14
typename list<_Tp, _Alloc>::reference
#else
void
#endif
list<_Tp, _Alloc>::emplace_back(_Args&&... __args)
{
__node_allocator& __na = base::__node_alloc();
@ -1624,7 +1644,11 @@ list<_Tp, _Alloc>::emplace_back(_Args&&... __args)
__link_pointer __nl = __hold->__as_link();
__link_nodes_at_back(__nl, __nl);
++base::__sz();
#if _LIBCPP_STD_VER > 14
return __hold.release()->__value_;
#else
__hold.release();
#endif
}
template <class _Tp, class _Alloc>

7
include/queue
View File

@ -63,7 +63,7 @@ public:
void push(const value_type& v);
void push(value_type&& v);
template <class... Args> reference emplace(Args&&... args);
template <class... Args> reference emplace(Args&&... args); // reference in C++17
void pop();
void swap(queue& q) noexcept(is_nothrow_swappable_v<Container>)
@ -292,8 +292,13 @@ public:
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class... _Args>
_LIBCPP_INLINE_VISIBILITY
#if _LIBCPP_STD_VER > 14
reference emplace(_Args&&... __args)
{ return c.emplace_back(_VSTD::forward<_Args>(__args)...);}
#else
void emplace(_Args&&... __args)
{ c.emplace_back(_VSTD::forward<_Args>(__args)...);}
#endif
#endif // _LIBCPP_HAS_NO_VARIADICS
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY

7
include/stack
View File

@ -55,7 +55,7 @@ public:
void push(const value_type& x);
void push(value_type&& x);
template <class... Args> reference emplace(Args&&... args);
template <class... Args> reference emplace(Args&&... args); // reference in C++17
void pop();
void swap(stack& c) noexcept(is_nothrow_swappable_v<Container>)
@ -199,8 +199,13 @@ public:
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class... _Args>
_LIBCPP_INLINE_VISIBILITY
#if _LIBCPP_STD_VER > 14
reference emplace(_Args&&... __args)
{ return c.emplace_back(_VSTD::forward<_Args>(__args)...);}
#else
void emplace(_Args&&... __args)
{ c.emplace_back(_VSTD::forward<_Args>(__args)...);}
#endif
#endif // _LIBCPP_HAS_NO_VARIADICS
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY

23
include/vector
View File

@ -99,7 +99,7 @@ public:
void push_back(const value_type& x);
void push_back(value_type&& x);
template <class... Args>
reference emplace_back(Args&&... args);
reference emplace_back(Args&&... args); // reference in C++17
void pop_back();
template <class... Args> iterator emplace(const_iterator position, Args&&... args);
@ -218,7 +218,7 @@ public:
const_reference back() const;
void push_back(const value_type& x);
template <class... Args> reference emplace_back(Args&&... args); // C++14
template <class... Args> reference emplace_back(Args&&... args); // C++14; reference in C++17
void pop_back();
template <class... Args> iterator emplace(const_iterator position, Args&&... args); // C++14
@ -679,7 +679,11 @@ public:
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class... _Args>
_LIBCPP_INLINE_VISIBILITY
#if _LIBCPP_STD_VER > 14
reference emplace_back(_Args&&... __args);
#else
void emplace_back(_Args&&... __args);
#endif
#endif // _LIBCPP_HAS_NO_VARIADICS
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
@ -1625,7 +1629,11 @@ vector<_Tp, _Allocator>::__emplace_back_slow_path(_Args&&... __args)
template <class _Tp, class _Allocator>
template <class... _Args>
inline
#if _LIBCPP_STD_VER > 14
typename vector<_Tp, _Allocator>::reference
#else
void
#endif
vector<_Tp, _Allocator>::emplace_back(_Args&&... __args)
{
if (this->__end_ < this->__end_cap())
@ -1639,7 +1647,9 @@ vector<_Tp, _Allocator>::emplace_back(_Args&&... __args)
}
else
__emplace_back_slow_path(_VSTD::forward<_Args>(__args)...);
#if _LIBCPP_STD_VER > 14
return this->back();
#endif
}
#endif // _LIBCPP_HAS_NO_VARIADICS
@ -2336,9 +2346,16 @@ public:
void push_back(const value_type& __x);
#if _LIBCPP_STD_VER > 11
template <class... _Args>
_LIBCPP_INLINE_VISIBILITY reference emplace_back(_Args&&... __args) {
#if _LIBCPP_STD_VER > 14
_LIBCPP_INLINE_VISIBILITY reference emplace_back(_Args&&... __args)
#else
_LIBCPP_INLINE_VISIBILITY void emplace_back(_Args&&... __args)
#endif
{
push_back ( value_type ( _VSTD::forward<_Args>(__args)... ));
#if _LIBCPP_STD_VER > 14
return this->back();
#endif
}
#endif

9
test/libcxx/test/config.py
View File

@ -403,6 +403,15 @@ def configure_default_compile_flags(self):
if not std:
# Choose the newest possible language dialect if none is given.
possible_stds = ['c++1z', 'c++14', 'c++11', 'c++03']
if self.cxx.type == 'gcc':
maj_v, _, _ = self.cxx.version
maj_v = int(maj_v)
if maj_v < 7:
possible_stds.remove('c++1z')
# FIXME: How many C++14 tests actually fail under GCC 5 and 6?
# Should we XFAIL them individually instead?
if maj_v <= 6:
possible_stds.remove('c++14')
for s in possible_stds:
if self.cxx.hasCompileFlag('-std=%s' % s):
std = s

14
test/std/containers/container.adaptors/queue/queue.defn/emplace.pass.cpp
View File

@ -12,25 +12,35 @@
// <queue>
// template <class... Args> reference emplace(Args&&... args);
// return type is 'reference' in C++17; 'void' before
#include <queue>
#include <cassert>
#include "test_macros.h"
#include "../../../Emplaceable.h"
int main()
{
typedef Emplaceable T;
std::queue<Emplaceable> q;
#if TEST_STD_VER > 14
T& r1 = q.emplace(1, 2.5);
assert(&r1 == &q.back());
T& r2 = q.emplace(2, 3.5);
assert(&r2 == &q.back());
T& r3 = q.emplace(3, 4.5);
assert(&r3 == &q.back());
assert(&r1 == &q.front());
#else
q.emplace(1, 2.5);
q.emplace(2, 3.5);
q.emplace(3, 4.5);
#endif
assert(q.size() == 3);
assert(q.front() == Emplaceable(1, 2.5));
assert(q.back() == Emplaceable(3, 4.5));
assert(&r3 == &q.back());
assert(&r1 == &q.front());
}

9
test/std/containers/container.adaptors/stack/stack.defn/emplace.pass.cpp
View File

@ -12,22 +12,31 @@
// <stack>
// template <class... Args> reference emplace(Args&&... args);
// return type is 'reference' in C++17; 'void' before
#include <stack>
#include <cassert>
#include "test_macros.h"
#include "../../../Emplaceable.h"
int main()
{
typedef Emplaceable T;
std::stack<Emplaceable> q;
#if TEST_STD_VER > 14
T& r1 = q.emplace(1, 2.5);
assert(&r1 == &q.top());
T& r2 = q.emplace(2, 3.5);
assert(&r2 == &q.top());
T& r3 = q.emplace(3, 4.5);
assert(&r3 == &q.top());
#else
q.emplace(1, 2.5);
q.emplace(2, 3.5);
q.emplace(3, 4.5);
#endif
assert(q.size() == 3);
assert(q.top() == Emplaceable(3, 4.5));
}

9
test/std/containers/sequences/deque/deque.modifiers/emplace_back.pass.cpp
View File

@ -12,6 +12,7 @@
// <deque>
// template <class... Args> reference emplace_back(Args&&... args);
// return type is 'reference' in C++17; 'void' before
#include <deque>
#include <cstddef>
@ -49,15 +50,21 @@ void
test(C& c1)
{
typedef typename C::iterator I;
typedef typename C::reference Ref;
std::size_t c1_osize = c1.size();
#if TEST_STD_VER > 14
typedef typename C::reference Ref;
Ref ref = c1.emplace_back(Emplaceable(1, 2.5));
#else
c1.emplace_back(Emplaceable(1, 2.5));
#endif
assert(c1.size() == c1_osize + 1);
assert(distance(c1.begin(), c1.end())
== static_cast<std::ptrdiff_t>(c1.size()));
I i = c1.end();
assert(*--i == Emplaceable(1, 2.5));
#if TEST_STD_VER > 14
assert(&(*i) == &ref);
#endif
}
template <class C>

21
test/std/containers/sequences/deque/deque.modifiers/emplace_front.pass.cpp
View File

@ -12,6 +12,7 @@
// <deque>
// template <class... Args> reference emplace_front(Args&&... args);
// return type is 'reference' in C++17; 'void' before
#include <deque>
#include <cstddef>
@ -20,6 +21,7 @@
#include "test_macros.h"
#include "../../../Emplaceable.h"
#include "min_allocator.h"
#include "test_allocator.h"
template <class C>
C
@ -48,15 +50,21 @@ void
test(C& c1)
{
typedef typename C::iterator I;
typedef typename C::reference Ref;
std::size_t c1_osize = c1.size();
#if TEST_STD_VER > 14
typedef typename C::reference Ref;
Ref res_ref = c1.emplace_front(Emplaceable(1, 2.5));
#else
c1.emplace_front(Emplaceable(1, 2.5));
#endif
assert(c1.size() == c1_osize + 1);
assert(distance(c1.begin(), c1.end())
== static_cast<std::ptrdiff_t>(c1.size()));
I i = c1.begin();
assert(*i == Emplaceable(1, 2.5));
#if TEST_STD_VER > 14
assert(&res_ref == &(*i));
#endif
}
template <class C>
@ -84,4 +92,15 @@ int main()
for (int j = 0; j < N; ++j)
testN<std::deque<Emplaceable, min_allocator<Emplaceable>> >(rng[i], rng[j]);
}
{
std::deque<Tag_X, TaggingAllocator<Tag_X>> c;
c.emplace_front();
assert(c.size() == 1);
c.emplace_front(1, 2, 3);
assert(c.size() == 2);
c.emplace_front();
assert(c.size() == 3);
c.emplace_front(1, 2, 3);
assert(c.size() == 4);
}
}

19
test/std/containers/sequences/forwardlist/forwardlist.modifiers/emplace_front.pass.cpp
View File

@ -12,10 +12,13 @@
// <forward_list>
// template <class... Args> reference emplace_front(Args&&... args);
// return type is 'reference' in C++17; 'void' before
#include <forward_list>
#include <cassert>
#include "test_macros.h"
#include "../../../Emplaceable.h"
#include "min_allocator.h"
@ -25,6 +28,7 @@ int main()
typedef Emplaceable T;
typedef std::forward_list<T> C;
C c;
#if TEST_STD_VER > 14
T& r1 = c.emplace_front();
assert(c.front() == Emplaceable());
assert(&r1 == &c.front());
@ -32,6 +36,13 @@ int main()
T& r2 = c.emplace_front(1, 2.5);
assert(c.front() == Emplaceable(1, 2.5));
assert(&r2 == &c.front());
#else
c.emplace_front();
assert(c.front() == Emplaceable());
assert(distance(c.begin(), c.end()) == 1);
c.emplace_front(1, 2.5);
assert(c.front() == Emplaceable(1, 2.5));
#endif
assert(*next(c.begin()) == Emplaceable());
assert(distance(c.begin(), c.end()) == 2);
}
@ -39,6 +50,7 @@ int main()
typedef Emplaceable T;
typedef std::forward_list<T, min_allocator<T>> C;
C c;
#if TEST_STD_VER > 14
T& r1 = c.emplace_front();
assert(c.front() == Emplaceable());
assert(&r1 == &c.front());
@ -46,6 +58,13 @@ int main()
T& r2 = c.emplace_front(1, 2.5);
assert(c.front() == Emplaceable(1, 2.5));
assert(&r2 == &c.front());
#else
c.emplace_front();
assert(c.front() == Emplaceable());
assert(distance(c.begin(), c.end()) == 1);
c.emplace_front(1, 2.5);
assert(c.front() == Emplaceable(1, 2.5));
#endif
assert(*next(c.begin()) == Emplaceable());
assert(distance(c.begin(), c.end()) == 2);
}

20
test/std/containers/sequences/list/list.modifiers/emplace_back.pass.cpp
View File

@ -12,10 +12,12 @@
// <list>
// template <class... Args> reference emplace_back(Args&&... args);
// return type is 'reference' in C++17; 'void' before
#include <list>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
class A
@ -37,6 +39,7 @@ int main()
{
{
std::list<A> c;
#if TEST_STD_VER > 14
A& r1 = c.emplace_back(2, 3.5);
assert(c.size() == 1);
assert(&r1 == &c.back());
@ -45,6 +48,14 @@ int main()
A& r2 = c.emplace_back(3, 4.5);
assert(c.size() == 2);
assert(&r2 == &c.back());
#else
c.emplace_back(2, 3.5);
assert(c.size() == 1);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
c.emplace_back(3, 4.5);
assert(c.size() == 2);
#endif
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
assert(c.back().geti() == 3);
@ -52,6 +63,7 @@ int main()
}
{
std::list<A, min_allocator<A>> c;
#if TEST_STD_VER > 14
A& r1 = c.emplace_back(2, 3.5);
assert(c.size() == 1);
assert(&r1 == &c.back());
@ -60,6 +72,14 @@ int main()
A& r2 = c.emplace_back(3, 4.5);
assert(c.size() == 2);
assert(&r2 == &c.back());
#else
c.emplace_back(2, 3.5);
assert(c.size() == 1);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
c.emplace_back(3, 4.5);
assert(c.size() == 2);
#endif
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
assert(c.back().geti() == 3);

20
test/std/containers/sequences/list/list.modifiers/emplace_front.pass.cpp
View File

@ -12,6 +12,7 @@
// <list>
// template <class... Args> reference emplace_front(Args&&... args);
// return type is 'reference' in C++17; 'void' before
#include <list>
#include <cassert>
@ -37,6 +38,7 @@ int main()
{
{
std::list<A> c;
#if TEST_STD_VER > 14
A& r1 = c.emplace_front(2, 3.5);
assert(c.size() == 1);
assert(&r1 == &c.front());
@ -45,13 +47,23 @@ int main()
A& r2 = c.emplace_front(3, 4.5);
assert(c.size() == 2);
assert(&r2 == &c.front());
#else
c.emplace_front(2, 3.5);
assert(c.size() == 1);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
c.emplace_front(3, 4.5);
assert(c.size() == 2);
#endif
assert(c.front().geti() == 3);
assert(c.front().getd() == 4.5);
assert(c.back().geti() == 2);
assert(c.back().getd() == 3.5);
}
{
std::list<A, min_allocator<A>> c;
#if TEST_STD_VER > 14
A& r1 = c.emplace_front(2, 3.5);
assert(c.size() == 1);
assert(&r1 == &c.front());
@ -60,6 +72,14 @@ int main()
A& r2 = c.emplace_front(3, 4.5);
assert(c.size() == 2);
assert(&r2 == &c.front());
#else
c.emplace_front(2, 3.5);
assert(c.size() == 1);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
c.emplace_front(3, 4.5);
assert(c.size() == 2);
#endif
assert(c.front().geti() == 3);
assert(c.front().getd() == 4.5);
assert(c.back().geti() == 2);

30
test/std/containers/sequences/vector.bool/emplace_back.pass.cpp
View File

@ -12,17 +12,20 @@
// vector.bool
// template <class... Args> reference emplace_back(Args&&... args);
// return type is 'reference' in C++17; 'void' before
#include <vector>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
int main()
{
{
typedef std::vector<bool> C;
typedef C::reference Ref;
C c;
#if TEST_STD_VER > 14
typedef C::reference Ref;
Ref r1 = c.emplace_back();
assert(c.size() == 1);
assert(c.front() == false);
@ -36,19 +39,27 @@ int main()
r2 = false;
assert(c.back() == false);
r2 = true;
Ref r3 = c.emplace_back(1 == 1);
#else
c.emplace_back();
assert(c.size() == 1);
assert(c.front() == false);
c.emplace_back(true);
assert(c.size() == 2);
assert(c.front() == false);
assert(c.back() == true);
#endif
c.emplace_back(1 == 1);
assert(c.size() == 3);
assert(c.front() == false);
assert(c[1] == true);
assert(c.back() == true);
r3 = false;
assert(c.back() == false);
}
{
typedef std::vector<bool, min_allocator<bool>> C;
typedef C::reference Ref;
C c;
#if TEST_STD_VER > 14
typedef C::reference Ref;
Ref r1 = c.emplace_back();
assert(c.size() == 1);
assert(c.front() == false);
@ -62,6 +73,15 @@ int main()
r2 = false;
assert(c.back() == false);
r2 = true;
#else
c.emplace_back();
assert(c.size() == 1);
assert(c.front() == false);
c.emplace_back(true);
assert(c.size() == 2);
assert(c.front() == false);
assert(c.back() == true);
#endif
c.emplace_back(1 == 1);
assert(c.size() == 3);
assert(c.front() == false);

32
test/std/containers/sequences/vector/vector.modifiers/emplace_back.pass.cpp
View File

@ -12,9 +12,11 @@
// <vector>
// template <class... Args> reference emplace_back(Args&&... args);
// return type is 'reference' in C++17; 'void' before
#include <vector>
#include <cassert>
#include "test_macros.h"
#include "test_allocator.h"
#include "min_allocator.h"
#include "test_allocator.h"
@ -56,6 +58,7 @@ int main()
{
{
std::vector<A> c;
#if TEST_STD_VER > 14
A& r1 = c.emplace_back(2, 3.5);
assert(c.size() == 1);
assert(&r1 == &c.back());
@ -65,6 +68,15 @@ int main()
A& r2 = c.emplace_back(3, 4.5);
assert(c.size() == 2);
assert(&r2 == &c.back());
#else
c.emplace_back(2, 3.5);
assert(c.size() == 1);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
assert(is_contiguous_container_asan_correct(c));
c.emplace_back(3, 4.5);
assert(c.size() == 2);
#endif
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
assert(c.back().geti() == 3);
@ -73,6 +85,7 @@ int main()
}
{
std::vector<A, limited_allocator<A, 4> > c;
#if TEST_STD_VER > 14
A& r1 = c.emplace_back(2, 3.5);
assert(c.size() == 1);
assert(&r1 == &c.back());
@ -82,6 +95,15 @@ int main()
A& r2 = c.emplace_back(3, 4.5);
assert(c.size() == 2);
assert(&r2 == &c.back());
#else
c.emplace_back(2, 3.5);
assert(c.size() == 1);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
assert(is_contiguous_container_asan_correct(c));
c.emplace_back(3, 4.5);
assert(c.size() == 2);
#endif
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
assert(c.back().geti() == 3);
@ -90,6 +112,7 @@ int main()
}
{
std::vector<A, min_allocator<A>> c;
#if TEST_STD_VER > 14
A& r1 = c.emplace_back(2, 3.5);
assert(c.size() == 1);
assert(&r1 == &c.back());
@ -99,6 +122,15 @@ int main()
A& r2 = c.emplace_back(3, 4.5);
assert(c.size() == 2);
assert(&r2 == &c.back());
#else
c.emplace_back(2, 3.5);
assert(c.size() == 1);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
assert(is_contiguous_container_asan_correct(c));
c.emplace_back(3, 4.5);
assert(c.size() == 2);
#endif
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
assert(c.back().geti() == 3);

4
www/cxx1z_status.html
View File

@ -376,10 +376,10 @@
<tr><td><a href="http://wg21.link/LWG2680">2680</a></td><td>Add "Equivalent to" to filesystem</td><td>Issaquah</td><td>Complete</td></tr>
<tr><td><a href="http://wg21.link/LWG2681">2681</a></td><td>filesystem::copy() cannot copy symlinks</td><td>Issaquah</td><td>Complete</td></tr>
<tr><td><a href="http://wg21.link/LWG2682">2682</a></td><td>filesystem::copy() won't create a symlink to a directory</td><td>Issaquah</td><td>Complete</td></tr>
<tr><td><a href="http://wg21.link/LWG2686">2686</a></td><td>Why is std::hash specialized for error_code, but not error_condition?</td><td>Issaquah</td><td>Patch ready</td></tr>
<tr><td><a href="http://wg21.link/LWG2686">2686</a></td><td>Why is std::hash specialized for error_code, but not error_condition?</td><td>Issaquah</td><td>Complete</td></tr>
<tr><td><a href="http://wg21.link/LWG2694">2694</a></td><td>Application of LWG 436 accidentally deleted definition of "facet"</td><td>Issaquah</td><td>Complete</td></tr>
<tr><td><a href="http://wg21.link/LWG2696">2696</a></td><td>Interaction between make_shared and enable_shared_from_this is underspecified</td><td>Issaquah</td><td></td></tr>
<tr><td><a href="http://wg21.link/LWG2699">2699</a></td><td>Missing restriction in [numeric.requirements]</td><td>Issaquah</td><td></td></tr>
<tr><td><a href="http://wg21.link/LWG2699">2699</a></td><td>Missing restriction in [numeric.requirements]</td><td>Issaquah</td><td>Complete</td></tr>
<tr><td><a href="http://wg21.link/LWG2712">2712</a></td><td>copy_file(from, to, ...) has a number of unspecified error conditions</td><td>Issaquah</td><td>Complete</td></tr>
<tr><td><a href="http://wg21.link/LWG2722">2722</a></td><td>equivalent incorrectly specifies throws clause</td><td>Issaquah</td><td>Complete</td></tr>
<tr><td><a href="http://wg21.link/LWG2729">2729</a></td><td>Missing SFINAE on std::pair::operator=</td><td>Issaquah</td><td></td></tr>