forked from OSchip/llvm-project
85 lines
2.1 KiB
C++
85 lines
2.1 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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// <set>
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// class multiset
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// iterator lower_bound(const key_type& k);
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// const_iterator lower_bound(const key_type& k) const;
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#include <set>
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#include <cassert>
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int main()
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{
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typedef int V;
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typedef std::multiset<int> M;
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{
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typedef M::iterator R;
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V ar[] =
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{
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5,
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5,
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5,
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7,
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7,
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7,
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9,
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9,
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9
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};
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M m(ar, ar+sizeof(ar)/sizeof(ar[0]));
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R r = m.lower_bound(4);
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assert(r == next(m.begin(), 0));
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r = m.lower_bound(5);
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assert(r == next(m.begin(), 0));
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r = m.lower_bound(6);
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assert(r == next(m.begin(), 3));
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r = m.lower_bound(7);
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assert(r == next(m.begin(), 3));
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r = m.lower_bound(8);
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assert(r == next(m.begin(), 6));
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r = m.lower_bound(9);
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assert(r == next(m.begin(), 6));
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r = m.lower_bound(11);
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assert(r == next(m.begin(), 9));
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}
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{
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typedef M::const_iterator R;
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V ar[] =
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{
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5,
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5,
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5,
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7,
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7,
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7,
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9,
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9,
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9
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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.lower_bound(4);
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assert(r == next(m.begin(), 0));
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r = m.lower_bound(5);
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assert(r == next(m.begin(), 0));
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r = m.lower_bound(6);
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assert(r == next(m.begin(), 3));
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r = m.lower_bound(7);
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assert(r == next(m.begin(), 3));
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r = m.lower_bound(8);
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assert(r == next(m.begin(), 6));
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r = m.lower_bound(9);
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assert(r == next(m.begin(), 6));
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r = m.lower_bound(11);
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assert(r == next(m.begin(), 9));
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}
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}
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