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Diffstat (limited to 'libstdc++-v3/testsuite/23_containers/unordered_map/erase/24061-map.cc')
-rw-r--r-- | libstdc++-v3/testsuite/23_containers/unordered_map/erase/24061-map.cc | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_map/erase/24061-map.cc b/libstdc++-v3/testsuite/23_containers/unordered_map/erase/24061-map.cc new file mode 100644 index 000000000..87ab474a8 --- /dev/null +++ b/libstdc++-v3/testsuite/23_containers/unordered_map/erase/24061-map.cc @@ -0,0 +1,105 @@ +// { dg-options "-std=gnu++0x" } + +// 2010-02-10 Paolo Carlini <paolo.carlini@oracle.com> +// +// Copyright (C) 2010 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 +// <http://www.gnu.org/licenses/>. + +#include <unordered_map> +#include <string> +#include <testsuite_hooks.h> + +// libstdc++/24061 +void test01() +{ + bool test __attribute__((unused)) = true; + + typedef std::unordered_map<std::string, int> Map; + typedef Map::iterator iterator; + typedef Map::const_iterator const_iterator; + typedef Map::value_type value_type; + + Map m1; + + m1.insert(value_type("all the love in the world", 1)); + m1.insert(value_type("you know what you are?", 2)); + m1.insert(value_type("the collector", 3)); + m1.insert(value_type("the hand that feeds", 4)); + m1.insert(value_type("love is not enough", 5)); + m1.insert(value_type("every day is exactly the same", 6)); + m1.insert(value_type("with teeth", 7)); + m1.insert(value_type("only", 8)); + m1.insert(value_type("getting smaller", 9)); + m1.insert(value_type("sunspots", 10)); + VERIFY( m1.size() == 10 ); + + iterator it1 = m1.begin(); + ++it1; + iterator it2 = it1; + ++it2; + iterator it3 = m1.erase(it1); + VERIFY( m1.size() == 9 ); + VERIFY( it3 == it2 ); + VERIFY( *it3 == *it2 ); + + iterator it4 = m1.begin(); + ++it4; + ++it4; + ++it4; + iterator it5 = it4; + ++it5; + ++it5; + iterator it6 = m1.erase(it4, it5); + VERIFY( m1.size() == 7 ); + VERIFY( it6 == it5 ); + VERIFY( *it6 == *it5 ); + + const_iterator it7 = m1.begin(); + ++it7; + ++it7; + ++it7; + const_iterator it8 = it7; + ++it8; + const_iterator it9 = m1.erase(it7); + VERIFY( m1.size() == 6 ); + VERIFY( it9 == it8 ); + VERIFY( *it9 == *it8 ); + + const_iterator it10 = m1.begin(); + ++it10; + const_iterator it11 = it10; + ++it11; + ++it11; + ++it11; + ++it11; + const_iterator it12 = m1.erase(it10, it11); + VERIFY( m1.size() == 2 ); + VERIFY( it12 == it11 ); + VERIFY( *it12 == *it11 ); + VERIFY( ++it12 == m1.end() ); + + iterator it13 = m1.erase(m1.begin(), m1.end()); + VERIFY( m1.size() == 0 ); + VERIFY( it13 == it12 ); + VERIFY( it13 == m1.begin() ); +} + +int main() +{ + test01(); + return 0; +} |