70342b99e2
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@184358 91177308-0d34-0410-b5e6-96231b3b80d8
84 lines
2.2 KiB
C++
84 lines
2.2 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 multiset
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// template <class... Args>
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// iterator emplace(Args&&... args);
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#include <set>
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#include <cassert>
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#include "../../Emplaceable.h"
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#include "../../DefaultOnly.h"
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#include "../../min_allocator.h"
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int main()
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{
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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{
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typedef std::multiset<DefaultOnly> M;
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typedef M::iterator R;
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M m;
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assert(DefaultOnly::count == 0);
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R r = m.emplace();
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assert(r == m.begin());
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assert(m.size() == 1);
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assert(*m.begin() == DefaultOnly());
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assert(DefaultOnly::count == 1);
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r = m.emplace();
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assert(r == next(m.begin()));
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assert(m.size() == 2);
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assert(*m.begin() == DefaultOnly());
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assert(DefaultOnly::count == 2);
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}
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assert(DefaultOnly::count == 0);
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{
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typedef std::multiset<Emplaceable> M;
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typedef M::iterator R;
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M m;
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R r = m.emplace();
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assert(r == m.begin());
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assert(m.size() == 1);
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assert(*m.begin() == Emplaceable());
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r = m.emplace(2, 3.5);
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assert(r == next(m.begin()));
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assert(m.size() == 2);
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assert(*r == Emplaceable(2, 3.5));
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r = m.emplace(2, 3.5);
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assert(r == next(m.begin(), 2));
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assert(m.size() == 3);
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assert(*r == Emplaceable(2, 3.5));
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}
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{
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typedef std::multiset<int> M;
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typedef M::iterator R;
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M m;
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R r = m.emplace(M::value_type(2));
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assert(r == m.begin());
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assert(m.size() == 1);
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assert(*r == 2);
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}
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#if __cplusplus >= 201103L
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{
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typedef std::multiset<int, std::less<int>, min_allocator<int>> M;
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typedef M::iterator R;
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M m;
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R r = m.emplace(M::value_type(2));
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assert(r == m.begin());
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assert(m.size() == 1);
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assert(*r == 2);
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}
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#endif
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#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
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}
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