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//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// REQUIRES: c++98 || c++03
// <utility>
// template <class T1, class T2> struct pair
// pair& operator=(pair const& p);
#include <utility>
#include <memory>
#include <cassert>
struct NonAssignable {
NonAssignable() {}
private:
NonAssignable& operator=(NonAssignable const&);
};
struct Incomplete;
extern Incomplete inc_obj;
int main()
{
{
// Test that we don't constrain the assignment operator in C++03 mode.
// Since we don't have access control SFINAE having pair evaluate SFINAE
// may cause a hard error.
typedef std::pair<int, NonAssignable> P;
static_assert(std::is_copy_assignable<P>::value, "");
}
{
typedef std::pair<int, Incomplete&> P;
static_assert(std::is_copy_assignable<P>::value, "");
P p(42, inc_obj);
assert(&p.second == &inc_obj);
}
}
struct Incomplete {};
Incomplete inc_obj;
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