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68 lines
1.5 KiB
C++
68 lines
1.5 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 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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// UNSUPPORTED: c++98, c++03
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// <list>
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// template <class... Args> void emplace(const_iterator p, Args&&... args);
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#include <list>
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#include <cassert>
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#include "test_macros.h"
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#include "min_allocator.h"
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class A
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{
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int i_;
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double d_;
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A(const A&);
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A& operator=(const A&);
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public:
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A(int i, double d)
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: i_(i), d_(d) {}
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int geti() const {return i_;}
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double getd() const {return d_;}
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};
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int main()
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{
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{
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std::list<A> c;
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c.emplace(c.cbegin(), 2, 3.5);
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assert(c.size() == 1);
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assert(c.front().geti() == 2);
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assert(c.front().getd() == 3.5);
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c.emplace(c.cend(), 3, 4.5);
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assert(c.size() == 2);
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assert(c.front().geti() == 2);
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assert(c.front().getd() == 3.5);
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assert(c.back().geti() == 3);
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assert(c.back().getd() == 4.5);
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}
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{
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std::list<A, min_allocator<A>> c;
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c.emplace(c.cbegin(), 2, 3.5);
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assert(c.size() == 1);
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assert(c.front().geti() == 2);
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assert(c.front().getd() == 3.5);
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c.emplace(c.cend(), 3, 4.5);
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assert(c.size() == 2);
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assert(c.front().geti() == 2);
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assert(c.front().getd() == 3.5);
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assert(c.back().geti() == 3);
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assert(c.back().getd() == 4.5);
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}
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}
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