cxx/test/containers/sequences/list/list.modifiers/emplace_front.pass.cpp
Howard Hinnant b64f8b07c1 license change
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16 22:09:02 +00:00

48 lines
1.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <list>
// template <class... Args> void emplace_front(Args&&... args);
#include <list>
#include <cassert>
class A
{
int i_;
double d_;
A(const A&);
A& operator=(const A&);
public:
A(int i, double d)
: i_(i), d_(d) {}
int geti() const {return i_;}
double getd() const {return d_;}
};
int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
std::list<A> c;
c.emplace_front(2, 3.5);
assert(c.size() == 1);
assert(c.front().geti() == 2);
assert(c.front().getd() == 3.5);
c.emplace_front(3, 4.5);
assert(c.size() == 2);
assert(c.front().geti() == 3);
assert(c.front().getd() == 4.5);
assert(c.back().geti() == 2);
assert(c.back().getd() == 3.5);
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}