[libcxx] r226847 - Fix PR#22284. Add a new overload to deque::insert to handle forward iterators. Update tests to exercise this case.
Marshall Clow
mclow.lists at gmail.com
Thu Jan 22 10:33:29 PST 2015
Author: marshall
Date: Thu Jan 22 12:33:29 2015
New Revision: 226847
URL: http://llvm.org/viewvc/llvm-project?rev=226847&view=rev
Log:
Fix PR#22284. Add a new overload to deque::insert to handle forward iterators. Update tests to exercise this case.
Modified:
libcxx/trunk/include/deque
libcxx/trunk/test/std/containers/sequences/deque/deque.modifiers/insert_iter_iter.pass.cpp
Modified: libcxx/trunk/include/deque
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/deque?rev=226847&r1=226846&r2=226847&view=diff
==============================================================================
--- libcxx/trunk/include/deque (original)
+++ libcxx/trunk/include/deque Thu Jan 22 12:33:29 2015
@@ -117,7 +117,7 @@ public:
iterator insert(const_iterator p, value_type&& v);
iterator insert(const_iterator p, size_type n, const value_type& v);
template <class InputIterator>
- iterator insert (const_iterator p, InputIterator f, InputIterator l);
+ iterator insert(const_iterator p, InputIterator f, InputIterator l);
iterator insert(const_iterator p, initializer_list<value_type> il);
void pop_front();
void pop_back();
@@ -1332,11 +1332,15 @@ public:
iterator insert(const_iterator __p, const value_type& __v);
iterator insert(const_iterator __p, size_type __n, const value_type& __v);
template <class _InputIter>
- iterator insert (const_iterator __p, _InputIter __f, _InputIter __l,
+ iterator insert(const_iterator __p, _InputIter __f, _InputIter __l,
typename enable_if<__is_input_iterator<_InputIter>::value
- &&!__is_bidirectional_iterator<_InputIter>::value>::type* = 0);
+ &&!__is_forward_iterator<_InputIter>::value>::type* = 0);
+ template <class _ForwardIterator>
+ iterator insert(const_iterator __p, _ForwardIterator __f, _ForwardIterator __l,
+ typename enable_if<__is_forward_iterator<_ForwardIterator>::value
+ &&!__is_bidirectional_iterator<_ForwardIterator>::value>::type* = 0);
template <class _BiIter>
- iterator insert (const_iterator __p, _BiIter __f, _BiIter __l,
+ iterator insert(const_iterator __p, _BiIter __f, _BiIter __l,
typename enable_if<__is_bidirectional_iterator<_BiIter>::value>::type* = 0);
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
_LIBCPP_INLINE_VISIBILITY
@@ -2098,7 +2102,7 @@ template <class _InputIter>
typename deque<_Tp, _Allocator>::iterator
deque<_Tp, _Allocator>::insert(const_iterator __p, _InputIter __f, _InputIter __l,
typename enable_if<__is_input_iterator<_InputIter>::value
- &&!__is_bidirectional_iterator<_InputIter>::value>::type*)
+ &&!__is_forward_iterator<_InputIter>::value>::type*)
{
__split_buffer<value_type, allocator_type&> __buf(__base::__alloc());
__buf.__construct_at_end(__f, __l);
@@ -2107,6 +2111,20 @@ deque<_Tp, _Allocator>::insert(const_ite
}
template <class _Tp, class _Allocator>
+template <class _ForwardIterator>
+typename deque<_Tp, _Allocator>::iterator
+deque<_Tp, _Allocator>::insert(const_iterator __p, _ForwardIterator __f, _ForwardIterator __l,
+ typename enable_if<__is_forward_iterator<_ForwardIterator>::value
+ &&!__is_bidirectional_iterator<_ForwardIterator>::value>::type*)
+{
+ size_type __n = _VSTD::distance(__f, __l);
+ __split_buffer<value_type, allocator_type&> __buf(__n, 0, __base::__alloc());
+ __buf.__construct_at_end(__f, __l);
+ typedef typename __split_buffer<value_type, allocator_type&>::iterator __fwd;
+ return insert(__p, move_iterator<__fwd>(__buf.begin()), move_iterator<__fwd>(__buf.end()));
+}
+
+template <class _Tp, class _Allocator>
template <class _BiIter>
typename deque<_Tp, _Allocator>::iterator
deque<_Tp, _Allocator>::insert(const_iterator __p, _BiIter __f, _BiIter __l,
Modified: libcxx/trunk/test/std/containers/sequences/deque/deque.modifiers/insert_iter_iter.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/containers/sequences/deque/deque.modifiers/insert_iter_iter.pass.cpp?rev=226847&r1=226846&r2=226847&view=diff
==============================================================================
--- libcxx/trunk/test/std/containers/sequences/deque/deque.modifiers/insert_iter_iter.pass.cpp (original)
+++ libcxx/trunk/test/std/containers/sequences/deque/deque.modifiers/insert_iter_iter.pass.cpp Thu Jan 22 12:33:29 2015
@@ -46,11 +46,49 @@ make(int size, int start = 0 )
template <class C>
void
-test(int P, C& c1, const C& c2)
+test(int P, const C& c0, const C& c2)
{
+ {
+ typedef typename C::iterator I;
+ typedef typename C::const_iterator CI;
+ typedef input_iterator<CI> BCI;
+ C c1 = c0;
+ std::size_t c1_osize = c1.size();
+ CI i = c1.insert(c1.begin() + P, BCI(c2.begin()), BCI(c2.end()));
+ assert(i == c1.begin() + P);
+ assert(c1.size() == c1_osize + c2.size());
+ assert(distance(c1.begin(), c1.end()) == c1.size());
+ i = c1.begin();
+ for (int j = 0; j < P; ++j, ++i)
+ assert(*i == j);
+ for (int j = 0; j < c2.size(); ++j, ++i)
+ assert(*i == j);
+ for (int j = P; j < c1_osize; ++j, ++i)
+ assert(*i == j);
+ }
+ {
+ typedef typename C::iterator I;
+ typedef typename C::const_iterator CI;
+ typedef forward_iterator<CI> BCI;
+ C c1 = c0;
+ std::size_t c1_osize = c1.size();
+ CI i = c1.insert(c1.begin() + P, BCI(c2.begin()), BCI(c2.end()));
+ assert(i == c1.begin() + P);
+ assert(c1.size() == c1_osize + c2.size());
+ assert(distance(c1.begin(), c1.end()) == c1.size());
+ i = c1.begin();
+ for (int j = 0; j < P; ++j, ++i)
+ assert(*i == j);
+ for (int j = 0; j < c2.size(); ++j, ++i)
+ assert(*i == j);
+ for (int j = P; j < c1_osize; ++j, ++i)
+ assert(*i == j);
+ }
+ {
typedef typename C::iterator I;
typedef typename C::const_iterator CI;
typedef bidirectional_iterator<CI> BCI;
+ C c1 = c0;
std::size_t c1_osize = c1.size();
CI i = c1.insert(c1.begin() + P, BCI(c2.begin()), BCI(c2.end()));
assert(i == c1.begin() + P);
@@ -63,6 +101,7 @@ test(int P, C& c1, const C& c2)
assert(*i == j);
for (int j = P; j < c1_osize; ++j, ++i)
assert(*i == j);
+ }
}
template <class C>
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