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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.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03
// <unordered_set>
// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
// class Alloc = allocator<Value>>
// class unordered_set
// template <class... Args>
// pair<iterator, bool> emplace(Args&&... args);
#include <unordered_set>
#include <cassert>
#include "../../Emplaceable.h"
#include "min_allocator.h"
int main()
{
{
typedef std::unordered_set<Emplaceable> C;
typedef std::pair<C::iterator, bool> R;
C c;
R r = c.emplace();
assert(c.size() == 1);
assert(*r.first == Emplaceable());
assert(r.second);
r = c.emplace(Emplaceable(5, 6));
assert(c.size() == 2);
assert(*r.first == Emplaceable(5, 6));
assert(r.second);
r = c.emplace(5, 6);
assert(c.size() == 2);
assert(*r.first == Emplaceable(5, 6));
assert(!r.second);
}
{
typedef std::unordered_set<Emplaceable, std::hash<Emplaceable>,
std::equal_to<Emplaceable>, min_allocator<Emplaceable>> C;
typedef std::pair<C::iterator, bool> R;
C c;
R r = c.emplace();
assert(c.size() == 1);
assert(*r.first == Emplaceable());
assert(r.second);
r = c.emplace(Emplaceable(5, 6));
assert(c.size() == 2);
assert(*r.first == Emplaceable(5, 6));
assert(r.second);
r = c.emplace(5, 6);
assert(c.size() == 2);
assert(*r.first == Emplaceable(5, 6));
assert(!r.second);
}
}
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