71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
/************************************************************************
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*
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* 23.associative.stdcxx-16.cpp - regression test for STDCXX-16
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* http://issues.apache.org/jira/browse/STDCXX-16
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*
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* $Id: 23.associative.stdcxx-16.cpp 580483 2007-09-28 20:55:52Z sebor $
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*
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***************************************************************************
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*
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**************************************************************************/
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#include <set>
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#include <map>
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#include <cassert>
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template <class T>
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struct RuntimeCmp
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{
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enum cmp_mode {normal, reverse};
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cmp_mode mode;
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RuntimeCmp (cmp_mode m = normal) : mode (m) { }
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bool operator() (const T& t1, const T& t2) const {
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return mode == normal ? t1 < t2 : t2 < t1;
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}
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};
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template <class T>
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bool operator== (const RuntimeCmp <T>& lc, const RuntimeCmp <T>& rc) {
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return lc.mode == rc.mode;
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}
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typedef std::set <int, RuntimeCmp <int> > IntSet;
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typedef std::map <int, int, RuntimeCmp <int> > IntMap;
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int main ()
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{
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RuntimeCmp <int> reverse_order (RuntimeCmp<int>::reverse);
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IntSet set1;
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IntSet set2 (reverse_order);
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set1 = set2;
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assert (set1.key_comp () == set2.key_comp ());
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assert (set1.value_comp () == set2.value_comp ());
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IntMap map1;
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IntMap map2 (reverse_order);
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map1 = map2;
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assert (map1.key_comp () == map2.key_comp ());
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return 0;
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}
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