gcc/gcc41-rh234515.patch

74 lines
2.6 KiB
Diff

2007-01-24 Steve LoBasso <slobasso@yahoo.com>
Paolo Carlini <pcarlini@suse.de>
* include/bits/deque.tcc (deque<>::erase(iterator, iterator)):
Fix condition.
* testsuite/23_containers/deque/modifiers/erase/3.cc: New.
--- libstdc++-v3/include/bits/deque.tcc (revision 121146)
+++ libstdc++-v3/include/bits/deque.tcc (revision 121147)
@@ -142,7 +142,7 @@ namespace _GLIBCXX_STD
const difference_type __n = __last - __first;
const difference_type __elems_before = (__first
- this->_M_impl._M_start);
- if (static_cast<size_type>(__elems_before) < (size() - __n) / 2)
+ if (static_cast<size_type>(__elems_before) <= (size() - __n) / 2)
{
std::copy_backward(this->_M_impl._M_start, __first, __last);
iterator __new_start = this->_M_impl._M_start + __n;
--- libstdc++-v3/testsuite/23_containers/deque/modifiers/erase/3.cc (revision 0)
+++ libstdc++-v3/testsuite/23_containers/deque/modifiers/erase/3.cc (revision 121147)
@@ -0,0 +1,52 @@
+// Copyright (C) 2007 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 2, 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 COPYING. If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 23.2.1.3 deque modifiers
+
+#include <deque>
+#include <testsuite_hooks.h>
+
+void erase(size_t num_elm, size_t elm_strt, size_t elm_end)
+{
+ bool test __attribute__((unused)) = true;
+ using __gnu_test::copy_tracker;
+ using __gnu_test::assignment_operator;
+
+ std::deque<copy_tracker> x(num_elm);
+ copy_tracker::reset();
+
+ x.erase(x.begin() + elm_strt, x.begin() + elm_end);
+
+ const size_t min_num_cpy = std::min(elm_strt, num_elm - elm_end);
+ VERIFY( assignment_operator::count() == min_num_cpy );
+}
+
+// http://gcc.gnu.org/ml/libstdc++/2007-01/msg00098.html
+void test01()
+{
+ for (size_t num_elm = 0; num_elm <= 10; ++num_elm)
+ for (size_t elm_strt = 0; elm_strt <= num_elm; ++elm_strt)
+ for (size_t elm_end = elm_strt; elm_end <= num_elm; ++elm_end)
+ erase(num_elm, elm_strt, elm_end);
+}
+
+int main()
+{
+ test01();
+ return 0;
+}