cxx/test/containers/associative/map/map.access/index_rv_key.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

39 lines
935 B
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.
//
//===----------------------------------------------------------------------===//
// <map>
// class map
// mapped_type& operator[](key_type&& k);
#include <map>
#include <cassert>
#include "../../../MoveOnly.h"
int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
typedef std::pair<MoveOnly, double> V;
std::map<MoveOnly, double> m;
assert(m.size() == 0);
assert(m[1] == 0.0);
assert(m.size() == 1);
m[1] = -1.5;
assert(m[1] == -1.5);
assert(m.size() == 1);
assert(m[6] == 0);
assert(m.size() == 2);
m[6] = 6.5;
assert(m[6] == 6.5);
assert(m.size() == 2);
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}