cxx/test/containers/unord/unord.multiset/insert_hint_rvalue.pass.cpp

72 lines
1.8 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <unordered_set>
// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
// class Alloc = allocator<Value>>
// class unordered_multiset
// iterator insert(const_iterator p, value_type&& x);
#include <unordered_set>
#include <cassert>
#include "../../MoveOnly.h"
int main()
{
{
typedef std::unordered_multiset<double> C;
typedef C::iterator R;
typedef double P;
C c;
C::const_iterator e = c.end();
R r = c.insert(e, P(3.5));
assert(c.size() == 1);
assert(*r == 3.5);
r = c.insert(r, P(3.5));
assert(c.size() == 2);
assert(*r == 3.5);
r = c.insert(e, P(4.5));
assert(c.size() == 3);
assert(*r == 4.5);
r = c.insert(e, P(5.5));
assert(c.size() == 4);
assert(*r == 5.5);
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
{
typedef std::unordered_multiset<MoveOnly> C;
typedef C::iterator R;
typedef MoveOnly P;
C c;
C::const_iterator e = c.end();
R r = c.insert(e, P(3));
assert(c.size() == 1);
assert(*r == 3);
r = c.insert(r, P(3));
assert(c.size() == 2);
assert(*r == 3);
r = c.insert(e, P(4));
assert(c.size() == 3);
assert(*r == 4);
r = c.insert(e, P(5));
assert(c.size() == 4);
assert(*r == 5);
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}