move_alloc.pass.cpp
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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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03
// <set>
// class multiset
// multiset(multiset&& s, const allocator_type& a);
#include <set>
#include <cassert>
#include "test_macros.h"
#include "MoveOnly.h"
#include "../../../test_compare.h"
#include "test_allocator.h"
#include "Counter.h"
int main(int, char**)
{
{
typedef MoveOnly V;
typedef test_compare<std::less<MoveOnly> > C;
typedef test_allocator<V> A;
typedef std::multiset<MoveOnly, C, A> M;
typedef std::move_iterator<V*> I;
V a1[] =
{
V(1),
V(1),
V(1),
V(2),
V(2),
V(2),
V(3),
V(3),
V(3)
};
M m1(I(a1), I(a1+sizeof(a1)/sizeof(a1[0])), C(5), A(7));
V a2[] =
{
V(1),
V(1),
V(1),
V(2),
V(2),
V(2),
V(3),
V(3),
V(3)
};
M m2(I(a2), I(a2+sizeof(a2)/sizeof(a2[0])), C(5), A(7));
M m3(std::move(m1), A(7));
assert(m3 == m2);
assert(m3.get_allocator() == A(7));
assert(m3.key_comp() == C(5));
LIBCPP_ASSERT(m1.empty());
}
{
typedef MoveOnly V;
typedef test_compare<std::less<MoveOnly> > C;
typedef test_allocator<V> A;
typedef std::multiset<MoveOnly, C, A> M;
typedef std::move_iterator<V*> I;
V a1[] =
{
V(1),
V(1),
V(1),
V(2),
V(2),
V(2),
V(3),
V(3),
V(3)
};
M m1(I(a1), I(a1+sizeof(a1)/sizeof(a1[0])), C(5), A(7));
V a2[] =
{
V(1),
V(1),
V(1),
V(2),
V(2),
V(2),
V(3),
V(3),
V(3)
};
M m2(I(a2), I(a2+sizeof(a2)/sizeof(a2[0])), C(5), A(7));
M m3(std::move(m1), A(5));
assert(m3 == m2);
assert(m3.get_allocator() == A(5));
assert(m3.key_comp() == C(5));
LIBCPP_ASSERT(m1.empty());
}
{
typedef MoveOnly V;
typedef test_compare<std::less<MoveOnly> > C;
typedef other_allocator<V> A;
typedef std::multiset<MoveOnly, C, A> M;
typedef std::move_iterator<V*> I;
V a1[] =
{
V(1),
V(1),
V(1),
V(2),
V(2),
V(2),
V(3),
V(3),
V(3)
};
M m1(I(a1), I(a1+sizeof(a1)/sizeof(a1[0])), C(5), A(7));
V a2[] =
{
V(1),
V(1),
V(1),
V(2),
V(2),
V(2),
V(3),
V(3),
V(3)
};
M m2(I(a2), I(a2+sizeof(a2)/sizeof(a2[0])), C(5), A(7));
M m3(std::move(m1), A(5));
assert(m3 == m2);
assert(m3.get_allocator() == A(5));
assert(m3.key_comp() == C(5));
LIBCPP_ASSERT(m1.empty());
}
{
typedef Counter<int> V;
typedef std::less<V> C;
typedef test_allocator<V> A;
typedef std::multiset<V, C, A> M;
typedef V* I;
Counter_base::gConstructed = 0;
{
V a1[] =
{
V(1),
V(1),
V(1),
V(2),
V(2),
V(2),
V(3),
V(3),
V(3)
};
const size_t num = sizeof(a1)/sizeof(a1[0]);
assert(Counter_base::gConstructed == num);
M m1(I(a1), I(a1+num), C(), A());
assert(Counter_base::gConstructed == 2*num);
M m2(m1);
assert(m2 == m1);
assert(Counter_base::gConstructed == 3*num);
M m3(std::move(m1), A());
assert(m3 == m2);
LIBCPP_ASSERT(m1.empty());
assert(Counter_base::gConstructed >= (int)(3*num));
assert(Counter_base::gConstructed <= (int)(4*num));
{
M m4(std::move(m2), A(5));
assert(Counter_base::gConstructed >= (int)(3*num));
assert(Counter_base::gConstructed <= (int)(5*num));
assert(m4 == m3);
LIBCPP_ASSERT(m2.empty());
}
assert(Counter_base::gConstructed >= (int)(2*num));
assert(Counter_base::gConstructed <= (int)(4*num));
}
assert(Counter_base::gConstructed == 0);
}
return 0;
}