diff options
-rw-r--r-- | libcxx/include/__hash_table | 58 | ||||
-rw-r--r-- | libcxx/test/libcxx/containers/unord/unord.set/insert_dup_alloc.pass.cpp | 48 | ||||
-rw-r--r-- | libcxx/test/std/containers/unord/unord.map/unord.map.modifiers/insert_and_emplace_allocator_requirements.pass.cpp (renamed from libcxx/test/std/containers/unord/unord.map/unord.map.modifiers/insert_allocator_requirements.pass.cpp) | 106 | ||||
-rw-r--r-- | libcxx/test/std/containers/unord/unord.set/insert_and_emplace_allocator_requirements.pass.cpp (renamed from libcxx/test/std/containers/unord/unord.set/insert_allocator_requirements.pass.cpp) | 78 |
4 files changed, 240 insertions, 50 deletions
diff --git a/libcxx/include/__hash_table b/libcxx/include/__hash_table index e8cebe03cee..16a0f5eb0fd 100644 --- a/libcxx/include/__hash_table +++ b/libcxx/include/__hash_table @@ -100,6 +100,23 @@ __next_hash_pow2(size_t __n) return size_t(1) << (std::numeric_limits<size_t>::digits - __clz(__n-1)); } +#ifndef _LIBCPP_CXX03_LANG +struct __extract_key_fail_tag {}; +struct __extract_key_self_tag {}; +struct __extract_key_first_tag {}; + +template <class _ValTy, class _Key, + class _RawValTy = typename __unconstref<_ValTy>::type> +struct __can_extract_key + : conditional<is_same<_RawValTy, _Key>::value, __extract_key_self_tag, + __extract_key_fail_tag>::type {}; + +template <class _Pair, class _Key, class _First, class _Second> +struct __can_extract_key<_Pair, _Key, pair<_First, _Second>> + : conditional<is_same<typename remove_const<_First>::type, _Key>::value, + __extract_key_first_tag, __extract_key_fail_tag>::type {}; +#endif + template <class _Tp, class _Hash, class _Equal, class _Alloc> class __hash_table; template <class _NodePtr> class _LIBCPP_TYPE_VIS_ONLY __hash_iterator; @@ -903,6 +920,7 @@ public: typedef typename _NodeTypes::__node_value_type __node_value_type; typedef typename _NodeTypes::__container_value_type __container_value_type; + typedef typename _NodeTypes::key_type key_type; typedef value_type& reference; typedef const value_type& const_reference; typedef typename __alloc_traits::pointer pointer; @@ -1041,13 +1059,49 @@ public: #ifndef _LIBCPP_CXX03_LANG template <class _Key, class ..._Args> + _LIBCPP_INLINE_VISIBILITY pair<iterator, bool> __emplace_unique_key_args(_Key const& __k, _Args&&... __args); template <class... _Args> - pair<iterator, bool> __emplace_unique(_Args&&... __args); + _LIBCPP_INLINE_VISIBILITY + pair<iterator, bool> __emplace_unique_impl(_Args&&... __args); + + template <class _Pp> + _LIBCPP_INLINE_VISIBILITY + pair<iterator, bool> __emplace_unique(_Pp&& __x) { + return __emplace_unique_extract_key(_VSTD::forward<_Pp>(__x), + __can_extract_key<_Pp, key_type>()); + } + template <class... _Args> + _LIBCPP_INLINE_VISIBILITY + pair<iterator, bool> __emplace_unique(_Args&&... __args) { + return __emplace_unique_impl(_VSTD::forward<_Args>(__args)...); + } + + template <class _Pp> + _LIBCPP_INLINE_VISIBILITY + pair<iterator, bool> + __emplace_unique_extract_key(_Pp&& __x, __extract_key_fail_tag) { + return __emplace_unique_impl(_VSTD::forward<_Pp>(__x)); + } + template <class _Pp> + _LIBCPP_INLINE_VISIBILITY + pair<iterator, bool> + __emplace_unique_extract_key(_Pp&& __x, __extract_key_self_tag) { + return __emplace_unique_key_args(__x, _VSTD::forward<_Pp>(__x)); + } + template <class _Pp> + _LIBCPP_INLINE_VISIBILITY + pair<iterator, bool> + __emplace_unique_extract_key(_Pp&& __x, __extract_key_first_tag) { + return __emplace_unique_key_args(__x.first, _VSTD::forward<_Pp>(__x)); + } + template <class... _Args> + _LIBCPP_INLINE_VISIBILITY iterator __emplace_multi(_Args&&... __args); template <class... _Args> + _LIBCPP_INLINE_VISIBILITY iterator __emplace_hint_multi(const_iterator __p, _Args&&... __args); @@ -1989,7 +2043,7 @@ __done: template <class _Tp, class _Hash, class _Equal, class _Alloc> template <class... _Args> pair<typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator, bool> -__hash_table<_Tp, _Hash, _Equal, _Alloc>::__emplace_unique(_Args&&... __args) +__hash_table<_Tp, _Hash, _Equal, _Alloc>::__emplace_unique_impl(_Args&&... __args) { __node_holder __h = __construct_node(_VSTD::forward<_Args>(__args)...); pair<iterator, bool> __r = __node_insert_unique(__h.get()); diff --git a/libcxx/test/libcxx/containers/unord/unord.set/insert_dup_alloc.pass.cpp b/libcxx/test/libcxx/containers/unord/unord.set/insert_dup_alloc.pass.cpp deleted file mode 100644 index 76ceafed220..00000000000 --- a/libcxx/test/libcxx/containers/unord/unord.set/insert_dup_alloc.pass.cpp +++ /dev/null @@ -1,48 +0,0 @@ -//===----------------------------------------------------------------------===// -// -// 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. -// -//===----------------------------------------------------------------------===// - -// Check that we don't allocate when trying to insert a duplicate value into a -// unordered_set. See PR12999 http://llvm.org/bugs/show_bug.cgi?id=12999 - -#include <cassert> -#include <unordered_set> -#include "count_new.hpp" -#include "MoveOnly.h" - -int main() -{ - { - std::unordered_set<int> s; - assert(globalMemCounter.checkNewCalledEq(0)); - - for(int i=0; i < 100; ++i) - s.insert(3); - - assert(s.size() == 1); - assert(s.count(3) == 1); - assert(globalMemCounter.checkNewCalledEq(2)); - } - assert(globalMemCounter.checkOutstandingNewEq(0)); - globalMemCounter.reset(); -#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES - { - std::unordered_set<MoveOnly> s; - assert(globalMemCounter.checkNewCalledEq(0)); - - for(int i=0; i<100; i++) - s.insert(MoveOnly(3)); - - assert(s.size() == 1); - assert(s.count(MoveOnly(3)) == 1); - assert(globalMemCounter.checkNewCalledEq(2)); - } - assert(globalMemCounter.checkOutstandingNewEq(0)); - globalMemCounter.reset(); -#endif -} diff --git a/libcxx/test/std/containers/unord/unord.map/unord.map.modifiers/insert_allocator_requirements.pass.cpp b/libcxx/test/std/containers/unord/unord.map/unord.map.modifiers/insert_and_emplace_allocator_requirements.pass.cpp index e889ce33480..a7df3e7e48f 100644 --- a/libcxx/test/std/containers/unord/unord.map/unord.map.modifiers/insert_allocator_requirements.pass.cpp +++ b/libcxx/test/std/containers/unord/unord.map/unord.map.modifiers/insert_and_emplace_allocator_requirements.pass.cpp @@ -84,6 +84,19 @@ void testContainerInsert() } } { + PRINT("Testing C::insert(const value_type&&)"); + Container c; + const ValueTp v(42, 1); + cc->expect<const ValueTp&>(); + assert(c.insert(std::move(v)).second); + assert(!cc->unchecked()); + { + DisableAllocationGuard g; + const ValueTp v2(42, 1); + assert(c.insert(std::move(v2)).second == false); + } + } + { PRINT("Testing C::insert(std::initializer_list<ValueTp>)"); Container c; std::initializer_list<ValueTp> il = { ValueTp(1, 1), ValueTp(2, 1) }; @@ -137,7 +150,100 @@ void testContainerInsert() } +template <class Container> +void testContainerEmplace() +{ + typedef typename Container::value_type ValueTp; + typedef typename Container::key_type Key; + typedef typename Container::mapped_type Mapped; + typedef typename std::pair<Key, Mapped> NonConstKeyPair; + typedef Container C; + typedef std::pair<typename C::iterator, bool> R; + ConstructController* cc = getConstructController(); + cc->reset(); + { + PRINT("Testing C::emplace(const value_type&)"); + Container c; + const ValueTp v(42, 1); + cc->expect<const ValueTp&>(); + assert(c.emplace(v).second); + assert(!cc->unchecked()); + { + DisableAllocationGuard g; + const ValueTp v2(42, 1); + assert(c.emplace(v2).second == false); + } + } + { + PRINT("Testing C::emplace(value_type&)"); + Container c; + ValueTp v(42, 1); + cc->expect<ValueTp&>(); + assert(c.emplace(v).second); + assert(!cc->unchecked()); + { + DisableAllocationGuard g; + ValueTp v2(42, 1); + assert(c.emplace(v2).second == false); + } + } + { + PRINT("Testing C::emplace(value_type&&)"); + Container c; + ValueTp v(42, 1); + cc->expect<ValueTp&&>(); + assert(c.emplace(std::move(v)).second); + assert(!cc->unchecked()); + { + DisableAllocationGuard g; + ValueTp v2(42, 1); + assert(c.emplace(std::move(v2)).second == false); + } + } + { + PRINT("Testing C::emplace(const value_type&&)"); + Container c; + const ValueTp v(42, 1); + cc->expect<const ValueTp&&>(); + assert(c.emplace(std::move(v)).second); + assert(!cc->unchecked()); + { + DisableAllocationGuard g; + const ValueTp v2(42, 1); + assert(c.emplace(std::move(v2)).second == false); + } + } + { + PRINT("Testing C::emplace(pair<Key, Mapped> const&)"); + Container c; + const NonConstKeyPair v(42, 1); + cc->expect<const NonConstKeyPair&>(); + assert(c.emplace(v).second); + assert(!cc->unchecked()); + { + DisableAllocationGuard g; + const NonConstKeyPair v2(42, 1); + assert(c.emplace(v2).second == false); + } + } + { + PRINT("Testing C::emplace(pair<Key, Mapped> &&)"); + Container c; + NonConstKeyPair v(42, 1); + cc->expect<NonConstKeyPair&&>(); + assert(c.emplace(std::move(v)).second); + assert(!cc->unchecked()); + { + DisableAllocationGuard g; + NonConstKeyPair v2(42, 1); + assert(c.emplace(std::move(v2)).second == false); + } + } +} + + int main() { testContainerInsert<TCT::unordered_map<> >(); + testContainerEmplace<TCT::unordered_map<> >(); } diff --git a/libcxx/test/std/containers/unord/unord.set/insert_allocator_requirements.pass.cpp b/libcxx/test/std/containers/unord/unord.set/insert_and_emplace_allocator_requirements.pass.cpp index f5a30c237b9..14e08927cc2 100644 --- a/libcxx/test/std/containers/unord/unord.set/insert_allocator_requirements.pass.cpp +++ b/libcxx/test/std/containers/unord/unord.set/insert_and_emplace_allocator_requirements.pass.cpp @@ -12,6 +12,7 @@ // class unordered_set // insert(...) +// emplace(...) // UNSUPPORTED: c++98, c++03 @@ -83,6 +84,19 @@ void testContainerInsert() } } { + PRINT("Testing C::insert(const value_type&&)"); + Container c; + const ValueTp v(42); + cc->expect<const ValueTp&>(); + assert(c.insert(std::move(v)).second); + assert(!cc->unchecked()); + { + DisableAllocationGuard g; + const ValueTp v2(42); + assert(c.insert(std::move(v2)).second == false); + } + } + { PRINT("Testing C::insert(std::initializer_list<ValueTp>)"); Container c; std::initializer_list<ValueTp> il = { ValueTp(1), ValueTp(2) }; @@ -136,7 +150,71 @@ void testContainerInsert() } +template <class Container> +void testContainerEmplace() +{ + typedef typename Container::value_type ValueTp; + typedef Container C; + typedef std::pair<typename C::iterator, bool> R; + ConstructController* cc = getConstructController(); + cc->reset(); + { + PRINT("Testing C::emplace(const value_type&)"); + Container c; + const ValueTp v(42); + cc->expect<const ValueTp&>(); + assert(c.emplace(v).second); + assert(!cc->unchecked()); + { + DisableAllocationGuard g; + const ValueTp v2(42); + assert(c.emplace(v2).second == false); + } + } + { + PRINT("Testing C::emplace(value_type&)"); + Container c; + ValueTp v(42); + cc->expect<ValueTp&>(); + assert(c.emplace(v).second); + assert(!cc->unchecked()); + { + DisableAllocationGuard g; + ValueTp v2(42); + assert(c.emplace(v2).second == false); + } + } + { + PRINT("Testing C::emplace(value_type&&)"); + Container c; + ValueTp v(42); + cc->expect<ValueTp&&>(); + assert(c.emplace(std::move(v)).second); + assert(!cc->unchecked()); + { + DisableAllocationGuard g; + ValueTp v2(42); + assert(c.emplace(std::move(v2)).second == false); + } + } + { + PRINT("Testing C::emplace(const value_type&&)"); + Container c; + const ValueTp v(42); + cc->expect<const ValueTp&&>(); + assert(c.emplace(std::move(v)).second); + assert(!cc->unchecked()); + { + DisableAllocationGuard g; + const ValueTp v2(42); + assert(c.emplace(std::move(v2)).second == false); + } + } +} + + int main() { testContainerInsert<TCT::unordered_set<> >(); + testContainerEmplace<TCT::unordered_set<> >(); } |