From: François Dumont Date: Thu, 1 Aug 2013 19:54:46 +0000 (+0000) Subject: re PR libstdc++/57779 (vector insert fails to diagnose iterators pointing into *this... X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;ds=sidebyside;h=5720787ada5aa74f244b3bc699f4abd991bee425;p=gcc.git re PR libstdc++/57779 (vector insert fails to diagnose iterators pointing into *this in debug mode) 2013-08-01 François Dumont PR libstdc++/57779 * include/debug/formatter.h (_Debug_msg_id): Add __msg_insert_itself_range entry. * include/debug/functions.h (_Insert_range_from_self_is_safe<>): New, indicate container types supporting self range insertion in GNU implementation. (__foreign_iterator): New, check if an iterator points to a given sequence. * include/debug/macros.h (__glibcxx_check_insert_range): Add check using __foreign_iterator. (__gibcxx_check_insert_range_after): Likewise. * include/debug/string (_Insert_range_from_self_is_safe<>): Partially specialized to mark __gnu_debug::basic_string<> as supporting self range insert. * include/debug/list (_Insert_range_from_self_is_safe<>): Partially specialized to mark std::list as supporting self range insert if _GLIBCXX_DEBUG_PEDANTIC is not defined. * include/debug/forward_list (_Insert_range_from_self_is_safe<>): Likewise. * src/c++11/debug.cc (_S_debug_messages): Add __msg_insert_itself_range_entry message. (_Error_formatter::_Parameter::_M_print_description): Display iterator sequence address rather than sequence address when the parameter type is an iterator. (_Error_formatter::_M_print_word): Enhance behavior when displaying a word with an appended '\n'. * testsuite/util/debug/checks.h (check_insert4<>): New. * testsuite/23_containers/deque/debug/insert5_neg.cc: New. * testsuite/23_containers/vector/debug/insert5_neg.cc: Likewise. * testsuite/23_containers/vector/debug/insert6_neg.cc: Likewise. * testsuite/23_containers/vector/debug/57779_neg.cc: Likewise. * testsuite/23_containers/list/debug/insert5_neg.cc: Likewise. * testsuite/23_containers/forward_list/debug/insert_after4_neg.cc: Likewise. From-SVN: r201416 --- diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 4eea924f028..651f8b6a974 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,40 @@ +2013-08-01 François Dumont + + PR libstdc++/57779 + * include/debug/formatter.h (_Debug_msg_id): Add + __msg_insert_itself_range entry. + * include/debug/functions.h (_Insert_range_from_self_is_safe<>): + New, indicate container types supporting self range insertion in + GNU implementation. + (__foreign_iterator): New, check if an iterator points to a given + sequence. + * include/debug/macros.h (__glibcxx_check_insert_range): Add check + using __foreign_iterator. + (__gibcxx_check_insert_range_after): Likewise. + * include/debug/string (_Insert_range_from_self_is_safe<>): + Partially specialized to mark __gnu_debug::basic_string<> as + supporting self range insert. + * include/debug/list (_Insert_range_from_self_is_safe<>): + Partially specialized to mark std::list as supporting self range + insert if _GLIBCXX_DEBUG_PEDANTIC is not defined. + * include/debug/forward_list (_Insert_range_from_self_is_safe<>): + Likewise. + * src/c++11/debug.cc (_S_debug_messages): Add + __msg_insert_itself_range_entry message. + (_Error_formatter::_Parameter::_M_print_description): Display + iterator sequence address rather than sequence address when the + parameter type is an iterator. + (_Error_formatter::_M_print_word): Enhance behavior when + displaying a word with an appended '\n'. + * testsuite/util/debug/checks.h (check_insert4<>): New. + * testsuite/23_containers/deque/debug/insert5_neg.cc: New. + * testsuite/23_containers/vector/debug/insert5_neg.cc: Likewise. + * testsuite/23_containers/vector/debug/insert6_neg.cc: Likewise. + * testsuite/23_containers/vector/debug/57779_neg.cc: Likewise. + * testsuite/23_containers/list/debug/insert5_neg.cc: Likewise. + * testsuite/23_containers/forward_list/debug/insert_after4_neg.cc: + Likewise. + 2013-08-01 Fabien Chêne PR c++/54537 diff --git a/libstdc++-v3/include/debug/formatter.h b/libstdc++-v3/include/debug/formatter.h index 4c65e1ac4da..15dd8d73797 100644 --- a/libstdc++-v3/include/debug/formatter.h +++ b/libstdc++-v3/include/debug/formatter.h @@ -114,7 +114,9 @@ namespace __gnu_debug // unordered container buckets __msg_bucket_index_oob, __msg_valid_load_factor, - __msg_equal_allocs + // others + __msg_equal_allocs, + __msg_insert_range_from_self }; class _Error_formatter diff --git a/libstdc++-v3/include/debug/forward_list b/libstdc++-v3/include/debug/forward_list index 90a2e9c3e65..4c8ac371c94 100644 --- a/libstdc++-v3/include/debug/forward_list +++ b/libstdc++-v3/include/debug/forward_list @@ -796,6 +796,13 @@ namespace __gnu_debug _S_Is_Beginnest(_BaseIt __it, const _Sequence* __seq) { return _S_Is(__it, __seq); } }; + +#ifndef _GLIBCXX_DEBUG_PEDANTIC + template + struct _Insert_range_from_self_is_safe< + std::__debug::forward_list<_Tp, _Alloc> > + { enum { __value = 1 }; }; +#endif } #endif diff --git a/libstdc++-v3/include/debug/functions.h b/libstdc++-v3/include/debug/functions.h index 3f16098185c..87478c6fbc1 100644 --- a/libstdc++-v3/include/debug/functions.h +++ b/libstdc++-v3/include/debug/functions.h @@ -32,7 +32,11 @@ #include #include // for iterator_traits, categories and // _Iter_base -#include // for __is_integer +#include // for __is_integer +#if __cplusplus >= 201103L +# include // for less and greater_equal +# include // for common_type +#endif #include namespace __gnu_debug @@ -40,6 +44,10 @@ namespace __gnu_debug template class _Safe_iterator; + template + struct _Insert_range_from_self_is_safe + { enum { __value = 0 }; }; + // An arbitrary iterator pointer is not singular. inline bool __check_singular_aux(const void*) { return false; } @@ -162,6 +170,123 @@ namespace __gnu_debug return __first; } +#if __cplusplus >= 201103L + template + inline bool + __foreign_iterator_aux4(const _Safe_iterator<_Iterator, _Sequence>& __it, + _InputIterator __other, + _PointerType1, _PointerType2) + { + typedef typename std::common_type<_PointerType1, + _PointerType2>::type _PointerType; + std::less<_PointerType> __l; + std::greater_equal<_PointerType> __ge; + + return + __l(std::addressof(*__other), + std::addressof(*(__it._M_get_sequence()->_M_base().begin()))) + || __ge(std::addressof(*__other), + std::addressof(*(__it._M_get_sequence()->_M_base().end() - 1)) + 1); + + } + + template + inline bool + __foreign_iterator_aux3(const _Safe_iterator<_Iterator, _Sequence>& __it, + _InputIterator __other, + std::true_type) + { + // Only containers with all elements in contiguous memory can have their + // elements passed through pointers. + // Arithmetics is here just to make sure we are not dereferencing + // past-the-end iterator. + if (__it._M_get_sequence()->_M_base().begin() + != __it._M_get_sequence()->_M_base().end()) + if (std::__addressof(*(__it._M_get_sequence()->_M_base().end() - 1)) + - std::__addressof(*(__it._M_get_sequence()->_M_base().begin())) + == __it._M_get_sequence()->size() - 1) + return __foreign_iterator_aux4(__it, __other, + std::addressof(*(__it._M_get_sequence()->_M_base().begin())), + std::addressof(*__other)); + return true; + } + + /* Fallback overload for which we can't say, assume it is valid. */ + template + inline bool + __foreign_iterator_aux3(const _Safe_iterator<_Iterator, _Sequence>& __it, + _InputIterator __other, + std::false_type) + { return true; } +#endif + + /** Checks that iterators do not belong to the same sequence. */ + template + inline bool + __foreign_iterator_aux2(const _Safe_iterator<_Iterator, _Sequence>& __it, + const _Safe_iterator<_OtherIterator, _Sequence>& __other, + std::input_iterator_tag) + { return __it._M_get_sequence() != __other._M_get_sequence(); } + +#if __cplusplus >= 201103L + /* This overload detects when passing pointers to the contained elements rather + than using iterators. + */ + template + inline bool + __foreign_iterator_aux2(const _Safe_iterator<_Iterator, _Sequence>& __it, + _InputIterator __other, + std::random_access_iterator_tag) + { + typedef typename _Sequence::const_iterator _ItType; + typedef typename std::iterator_traits<_ItType>::reference _Ref; + return __foreign_iterator_aux3(__it, __other, + std::is_lvalue_reference<_Ref>()); + } +#endif + + /* Fallback overload for which we can't say, assume it is valid. */ + template + inline bool + __foreign_iterator_aux2(const _Safe_iterator<_Iterator, _Sequence>&, + _InputIterator, + std::input_iterator_tag) + { return true; } + + template + inline bool + __foreign_iterator_aux(const _Safe_iterator<_Iterator, _Sequence>& __it, + _Integral __other, + std::__true_type) + { return true; } + + template + inline bool + __foreign_iterator_aux(const _Safe_iterator<_Iterator, _Sequence>& __it, + _InputIterator __other, + std::__false_type) + { + return + _Insert_range_from_self_is_safe<_Sequence>::__value + || __foreign_iterator_aux2(__it, __other, + std::__iterator_category(__it)); + } + + template + inline bool + __foreign_iterator(const _Safe_iterator<_Iterator, _Sequence>& __it, + _InputIterator __other) + { + typedef typename std::__is_integer<_InputIterator>::__type _Integral; + return __foreign_iterator_aux(__it, __other, _Integral()); + } + /** Checks that __s is non-NULL or __n == 0, and then returns __s. */ template inline const _CharT* diff --git a/libstdc++-v3/include/debug/list b/libstdc++-v3/include/debug/list index 1ae8507ca86..fd00b0148a9 100644 --- a/libstdc++-v3/include/debug/list +++ b/libstdc++-v3/include/debug/list @@ -791,4 +791,13 @@ namespace __debug } // namespace __debug } // namespace std +#ifndef _GLIBCXX_DEBUG_PEDANTIC +namespace __gnu_debug +{ + template + struct _Insert_range_from_self_is_safe > + { enum { __value = 1 }; }; +} +#endif + #endif diff --git a/libstdc++-v3/include/debug/macros.h b/libstdc++-v3/include/debug/macros.h index 26732c9e3e2..521e8c0fa47 100644 --- a/libstdc++-v3/include/debug/macros.h +++ b/libstdc++-v3/include/debug/macros.h @@ -72,11 +72,11 @@ _GLIBCXX_DEBUG_VERIFY(_First != _Last, \ */ #define __glibcxx_check_insert(_Position) \ _GLIBCXX_DEBUG_VERIFY(!_Position._M_singular(), \ - _M_message(__gnu_debug::__msg_insert_singular) \ + _M_message(__gnu_debug::__msg_insert_singular) \ ._M_sequence(*this, "this") \ ._M_iterator(_Position, #_Position)); \ _GLIBCXX_DEBUG_VERIFY(_Position._M_attached_to(this), \ - _M_message(__gnu_debug::__msg_insert_different) \ + _M_message(__gnu_debug::__msg_insert_different) \ ._M_sequence(*this, "this") \ ._M_iterator(_Position, #_Position)) @@ -101,15 +101,16 @@ _GLIBCXX_DEBUG_VERIFY(!_Position._M_is_end(), \ * that it reference the sequence we are inserting into, and that the * iterator range [_First, Last) is a valid (possibly empty) * range. Note that this macro is only valid when the container is a - * _Safe_sequence and the iterator is a _Safe_iterator. - * - * @todo We would like to be able to check for noninterference of - * _Position and the range [_First, _Last), but that can't (in - * general) be done. + * _Safe_sequence and the _Position iterator is a _Safe_iterator. */ #define __glibcxx_check_insert_range(_Position,_First,_Last) \ __glibcxx_check_valid_range(_First,_Last); \ -__glibcxx_check_insert(_Position) +__glibcxx_check_insert(_Position); \ +_GLIBCXX_DEBUG_VERIFY(__gnu_debug::__foreign_iterator(_Position,_First),\ + _M_message(__gnu_debug::__msg_insert_range_from_self)\ + ._M_iterator(_First, #_First) \ + ._M_iterator(_Last, #_Last) \ + ._M_sequence(*this, "this")) /** Verify that we can insert the values in the iterator range * [_First, _Last) into *this after the iterator _Position. Insertion @@ -126,7 +127,12 @@ __glibcxx_check_insert(_Position) */ #define __glibcxx_check_insert_range_after(_Position,_First,_Last) \ __glibcxx_check_valid_range(_First,_Last); \ -__glibcxx_check_insert_after(_Position) +__glibcxx_check_insert_after(_Position); \ +_GLIBCXX_DEBUG_VERIFY(__gnu_debug::__foreign_iterator(_Position,_First),\ + _M_message(__gnu_debug::__msg_insert_range_from_self)\ + ._M_iterator(_First, #_First) \ + ._M_iterator(_Last, #_Last) \ + ._M_sequence(*this, "this")) /** Verify that we can erase the element referenced by the iterator * _Position. We can erase the element if the _Position iterator is @@ -332,7 +338,7 @@ _GLIBCXX_DEBUG_VERIFY(_F > 0.0f, \ _M_message(__gnu_debug::__msg_valid_load_factor) \ ._M_sequence(*this, "this")) -#define __glibcxx_check_equal_allocs(_Other) \ +#define __glibcxx_check_equal_allocs(_Other) \ _GLIBCXX_DEBUG_VERIFY(this->get_allocator() == _Other.get_allocator(), \ _M_message(__gnu_debug::__msg_equal_allocs) \ ._M_sequence(*this, "this")) diff --git a/libstdc++-v3/include/debug/string b/libstdc++-v3/include/debug/string index 8a5bf9b0367..9e856c1ee8c 100644 --- a/libstdc++-v3/include/debug/string +++ b/libstdc++-v3/include/debug/string @@ -1156,6 +1156,11 @@ namespace __gnu_debug typedef basic_string wstring; #endif + template + struct _Insert_range_from_self_is_safe< + __gnu_debug::basic_string<_CharT, _Traits, _Allocator> > + { enum { __value = 1 }; }; + } // namespace __gnu_debug #endif diff --git a/libstdc++-v3/src/c++11/debug.cc b/libstdc++-v3/src/c++11/debug.cc index 3655f392f7a..260009c1172 100644 --- a/libstdc++-v3/src/c++11/debug.cc +++ b/libstdc++-v3/src/c++11/debug.cc @@ -181,7 +181,8 @@ namespace __gnu_debug "attempt to access container with out-of-bounds bucket index %2;," " container only holds %3; buckets", "load factor shall be positive", - "allocators must be equal" + "allocators must be equal", + "attempt to insert with an iterator range [%1.name;, %2.name;) from this container" }; void @@ -695,7 +696,7 @@ namespace __gnu_debug } __formatter->_M_format_word(__buf, __bufsize, "@ 0x%p\n", - _M_variant._M_sequence._M_address); + _M_variant._M_iterator._M_sequence); __formatter->_M_print_word(__buf); } __formatter->_M_print_word("}\n"); @@ -808,8 +809,11 @@ namespace __gnu_debug if (__length == 0) return; - if ((_M_column + __length < _M_max_length) - || (__length >= _M_max_length && _M_column == 1)) + size_t __visual_length + = __word[__length - 1] == '\n' ? __length - 1 : __length; + if (__visual_length == 0 + || (_M_column + __visual_length < _M_max_length) + || (__visual_length >= _M_max_length && _M_column == 1)) { // If this isn't the first line, indent if (_M_column == 1 && !_M_first_line) @@ -823,17 +827,17 @@ namespace __gnu_debug } fprintf(stderr, "%s", __word); - _M_column += __length; if (__word[__length - 1] == '\n') { _M_first_line = false; _M_column = 1; } + else + _M_column += __length; } else { - _M_column = 1; _M_print_word("\n"); _M_print_word(__word); } diff --git a/libstdc++-v3/testsuite/23_containers/deque/debug/insert5_neg.cc b/libstdc++-v3/testsuite/23_containers/deque/debug/insert5_neg.cc new file mode 100644 index 00000000000..51d9fd3e7ab --- /dev/null +++ b/libstdc++-v3/testsuite/23_containers/deque/debug/insert5_neg.cc @@ -0,0 +1,33 @@ +// Copyright (C) 2013 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING3. If not see +// . +// +// { dg-require-debug-mode "" } +// { dg-do run { xfail *-*-* } } + +#include +#include + +void test01() +{ + __gnu_test::check_insert4 >(); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/23_containers/forward_list/debug/insert_after4_neg.cc b/libstdc++-v3/testsuite/23_containers/forward_list/debug/insert_after4_neg.cc new file mode 100644 index 00000000000..f2e7847f607 --- /dev/null +++ b/libstdc++-v3/testsuite/23_containers/forward_list/debug/insert_after4_neg.cc @@ -0,0 +1,35 @@ +// Copyright (C) 2013 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING3. If not see +// . +// +// { dg-require-debug-mode "" } +// { dg-options "-std=gnu++11 -D_GLIBCXX_DEBUG_PEDANTIC" } +// { dg-do run { xfail *-*-* } } + +#include +#include + +void test01() +{ + std::forward_list fl{ 1, 2, 3 }; + fl.insert_after(fl.before_begin(), fl.begin(), std::next(fl.begin(), 2)); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/23_containers/list/debug/insert5_neg.cc b/libstdc++-v3/testsuite/23_containers/list/debug/insert5_neg.cc new file mode 100644 index 00000000000..7f748bbb8a6 --- /dev/null +++ b/libstdc++-v3/testsuite/23_containers/list/debug/insert5_neg.cc @@ -0,0 +1,34 @@ +// Copyright (C) 2013 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING3. If not see +// . +// +// { dg-require-debug-mode "" } +// { dg-options "-D_GLIBCXX_DEBUG_PEDANTIC" } +// { dg-do run { xfail *-*-* } } + +#include +#include + +void test01() +{ + __gnu_test::check_insert4 >(); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/23_containers/vector/debug/57779_neg.cc b/libstdc++-v3/testsuite/23_containers/vector/debug/57779_neg.cc new file mode 100644 index 00000000000..10ee76675f5 --- /dev/null +++ b/libstdc++-v3/testsuite/23_containers/vector/debug/57779_neg.cc @@ -0,0 +1,38 @@ +// Copyright (C) 2013 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING3. If not see +// . +// +// { dg-options "-std=gnu++11" } +// { dg-require-debug-mode "" } +// { dg-do run { xfail *-*-* } } + +#include +#include + +void test01() +{ + std::vector v; + for (int i = 0; i != 10; ++i) + v.push_back(i); + + v.insert(v.begin(), v.data() + 1, v.data() + 5); // Expected failure +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/23_containers/vector/debug/insert5_neg.cc b/libstdc++-v3/testsuite/23_containers/vector/debug/insert5_neg.cc new file mode 100644 index 00000000000..ccdafad76c0 --- /dev/null +++ b/libstdc++-v3/testsuite/23_containers/vector/debug/insert5_neg.cc @@ -0,0 +1,33 @@ +// Copyright (C) 2013 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING3. If not see +// . +// +// { dg-require-debug-mode "" } +// { dg-do run { xfail *-*-* } } + +#include +#include + +void test01() +{ + __gnu_test::check_insert4 >(); +} + +int main() +{ + test01(); + return 0; +} diff --git a/libstdc++-v3/testsuite/23_containers/vector/debug/insert6_neg.cc b/libstdc++-v3/testsuite/23_containers/vector/debug/insert6_neg.cc new file mode 100644 index 00000000000..679df5bf84d --- /dev/null +++ b/libstdc++-v3/testsuite/23_containers/vector/debug/insert6_neg.cc @@ -0,0 +1,48 @@ +// Copyright (C) 2013 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING3. If not see +// . +// +// { dg-do run { xfail *-*-* } } + +#include +#include +#include + +void test01() +{ + std::vector v; + __gnu_debug::vector dv; + for (int i = 0; i != 10; ++i) + { + v.push_back((i % 2) != 0); + dv.push_back((i % 2) == 0); + } + + dv.insert(dv.begin(), v.begin(), v.begin() + 5); + VERIFY( dv.size() == 15 ); +} + +void test02() +{ + __gnu_test::check_insert4<__gnu_debug::vector >(); +} + +int main() +{ + test01(); + test02(); + return 0; +} diff --git a/libstdc++-v3/testsuite/util/debug/checks.h b/libstdc++-v3/testsuite/util/debug/checks.h index 6ad39aded34..01c5beb5cd4 100644 --- a/libstdc++-v3/testsuite/util/debug/checks.h +++ b/libstdc++-v3/testsuite/util/debug/checks.h @@ -129,7 +129,7 @@ namespace __gnu_test c2.assign(last, first); // Expected failure } - // Check that invalid range of debug !random debug iterators is detected + // Check that invalid range of debug not random iterators is detected template void check_assign3() @@ -376,6 +376,34 @@ namespace __gnu_test InsertRangeHelper::Insert(c2, last, first); // Expected failure } + template + void + check_insert4() + { + bool test __attribute__((unused)) = true; + + typedef _Tp cont_type; + typedef typename cont_type::value_type cont_val_type; + typedef typename CopyableValueType::value_type val_type; + typedef std::list list_type; + + generate_unique gu; + + list_type l; + for (int i = 0; i != 5; ++i) + l.push_back(gu.build()); + VERIFY(l.size() == 5); + + typename list_type::iterator first = l.begin(); ++first; + typename list_type::iterator last = first; ++last; ++last; + + cont_type c1; + InsertRangeHelper::Insert(c1, l.begin(), l.end()); + VERIFY(c1.size() == 5); + + c1.insert(c1.begin(), c1.begin(), c1.end()); // Expected failure. + } + template void use_invalid_iterator() {