6046aced82
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111755 91177308-0d34-0410-b5e6-96231b3b80d8
83 lines
2.5 KiB
C++
83 lines
2.5 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 distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <map>
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// class map
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// template <class... Args>
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// iterator emplace_hint(const_iterator position, Args&&... args);
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#include <map>
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#include <cassert>
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#include "../../../Emplaceable.h"
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#include "../../../DefaultOnly.h"
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int main()
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{
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#ifdef _LIBCPP_MOVE
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{
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typedef std::map<int, 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_hint(m.end());
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assert(r == m.begin());
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assert(m.size() == 1);
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assert(m.begin()->first == 0);
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assert(m.begin()->second == DefaultOnly());
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assert(DefaultOnly::count == 1);
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r = m.emplace_hint(m.end(), 1);
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assert(r == next(m.begin()));
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assert(m.size() == 2);
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assert(next(m.begin())->first == 1);
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assert(next(m.begin())->second == DefaultOnly());
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assert(DefaultOnly::count == 2);
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r = m.emplace_hint(m.end(), 1);
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assert(r == next(m.begin()));
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assert(m.size() == 2);
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assert(next(m.begin())->first == 1);
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assert(next(m.begin())->second == 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::map<int, Emplaceable> M;
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typedef M::iterator R;
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M m;
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R r = m.emplace_hint(m.end(), 2);
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assert(r == m.begin());
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assert(m.size() == 1);
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assert(m.begin()->first == 2);
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assert(m.begin()->second == Emplaceable());
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r = m.emplace_hint(m.end(), 1, 2, 3.5);
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assert(r == m.begin());
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assert(m.size() == 2);
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assert(m.begin()->first == 1);
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assert(m.begin()->second == Emplaceable(2, 3.5));
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r = m.emplace_hint(m.end(), 1, 2, 3.5);
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assert(r == m.begin());
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assert(m.size() == 2);
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assert(m.begin()->first == 1);
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assert(m.begin()->second == Emplaceable(2, 3.5));
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}
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{
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typedef std::map<int, double> M;
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typedef M::iterator R;
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M m;
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R r = m.emplace_hint(m.end(), M::value_type(2, 3.5));
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assert(r == m.begin());
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assert(m.size() == 1);
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assert(m.begin()->first == 2);
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assert(m.begin()->second == 3.5);
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}
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#endif // _LIBCPP_MOVE
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}
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