b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
99 lines
3.0 KiB
C++
99 lines
3.0 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <map>
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// class multimap
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// pair<iterator, iterator> equal_range(const key_type& k);
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// pair<const_iterator, const_iterator> equal_range(const key_type& k) const;
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#include <map>
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#include <cassert>
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int main()
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{
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typedef std::pair<const int, double> V;
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typedef std::multimap<int, double> M;
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{
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typedef std::pair<M::iterator, M::iterator> R;
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V ar[] =
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{
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V(5, 1),
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V(5, 2),
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V(5, 3),
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V(7, 1),
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V(7, 2),
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V(7, 3),
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V(9, 1),
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V(9, 2),
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V(9, 3)
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};
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M m(ar, ar+sizeof(ar)/sizeof(ar[0]));
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R r = m.equal_range(4);
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assert(r.first == m.begin());
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assert(r.second == m.begin());
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r = m.equal_range(5);
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assert(r.first == m.begin());
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assert(r.second == next(m.begin(), 3));
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r = m.equal_range(6);
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assert(r.first == next(m.begin(), 3));
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assert(r.second == next(m.begin(), 3));
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r = m.equal_range(7);
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assert(r.first == next(m.begin(), 3));
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assert(r.second == next(m.begin(), 6));
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r = m.equal_range(8);
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assert(r.first == next(m.begin(), 6));
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assert(r.second == next(m.begin(), 6));
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r = m.equal_range(9);
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assert(r.first == next(m.begin(), 6));
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assert(r.second == next(m.begin(), 9));
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r = m.equal_range(10);
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assert(r.first == m.end());
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assert(r.second == m.end());
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}
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{
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typedef std::pair<M::const_iterator, M::const_iterator> R;
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V ar[] =
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{
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V(5, 1),
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V(5, 2),
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V(5, 3),
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V(7, 1),
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V(7, 2),
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V(7, 3),
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V(9, 1),
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V(9, 2),
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V(9, 3)
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};
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const M m(ar, ar+sizeof(ar)/sizeof(ar[0]));
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R r = m.equal_range(4);
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assert(r.first == m.begin());
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assert(r.second == m.begin());
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r = m.equal_range(5);
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assert(r.first == m.begin());
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assert(r.second == next(m.begin(), 3));
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r = m.equal_range(6);
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assert(r.first == next(m.begin(), 3));
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assert(r.second == next(m.begin(), 3));
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r = m.equal_range(7);
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assert(r.first == next(m.begin(), 3));
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assert(r.second == next(m.begin(), 6));
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r = m.equal_range(8);
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assert(r.first == next(m.begin(), 6));
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assert(r.second == next(m.begin(), 6));
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r = m.equal_range(9);
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assert(r.first == next(m.begin(), 6));
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assert(r.second == next(m.begin(), 9));
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r = m.equal_range(10);
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assert(r.first == m.end());
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assert(r.second == m.end());
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}
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}
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