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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <set>
// class multiset
// size_type size() const;
#include <set>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
int main(int, char**)
{
{
typedef std::multiset<int> M;
M m;
assert(m.size() == 0);
m.insert(M::value_type(2));
assert(m.size() == 1);
m.insert(M::value_type(1));
assert(m.size() == 2);
m.insert(M::value_type(2));
assert(m.size() == 3);
m.erase(m.begin());
assert(m.size() == 2);
m.erase(m.begin());
assert(m.size() == 1);
m.erase(m.begin());
assert(m.size() == 0);
}
#if TEST_STD_VER >= 11
{
typedef std::multiset<int, std::less<int>, min_allocator<int>> M;
M m;
assert(m.size() == 0);
m.insert(M::value_type(2));
assert(m.size() == 1);
m.insert(M::value_type(1));
assert(m.size() == 2);
m.insert(M::value_type(2));
assert(m.size() == 3);
m.erase(m.begin());
assert(m.size() == 2);
m.erase(m.begin());
assert(m.size() == 1);
m.erase(m.begin());
assert(m.size() == 0);
}
#endif
return 0;
}
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