forked from OSchip/llvm-project
50 lines
1.2 KiB
C++
50 lines
1.2 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 set
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// pair<iterator, bool> insert(const value_type& v);
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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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{
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typedef std::set<int> M;
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typedef std::pair<M::iterator, bool> R;
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M m;
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R r = m.insert(M::value_type(2));
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assert(r.second);
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assert(r.first == m.begin());
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assert(m.size() == 1);
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assert(*r.first == 2);
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r = m.insert(M::value_type(1));
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assert(r.second);
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assert(r.first == m.begin());
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assert(m.size() == 2);
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assert(*r.first == 1);
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r = m.insert(M::value_type(3));
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assert(r.second);
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assert(r.first == prev(m.end()));
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assert(m.size() == 3);
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assert(*r.first == 3);
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r = m.insert(M::value_type(3));
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assert(!r.second);
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assert(r.first == prev(m.end()));
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assert(m.size() == 3);
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assert(*r.first == 3);
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}
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}
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