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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
//
//===----------------------------------------------------------------------===//
// <map>
// class map
// mapped_type& operator[](const key_type& k);
#include <map>
#include <cassert>
#include "test_macros.h"
#include "count_new.h"
#include "min_allocator.h"
#include "private_constructor.h"
#if TEST_STD_VER >= 11
#include "container_test_types.h"
#endif
int main(int, char**)
{
{
typedef std::pair<const int, double> V;
V ar[] =
{
V(1, 1.5),
V(2, 2.5),
V(3, 3.5),
V(4, 4.5),
V(5, 5.5),
V(7, 7.5),
V(8, 8.5),
};
std::map<int, double> m(ar, ar+sizeof(ar)/sizeof(ar[0]));
assert(m.size() == 7);
assert(m[1] == 1.5);
assert(m.size() == 7);
m[1] = -1.5;
assert(m[1] == -1.5);
assert(m.size() == 7);
assert(m[6] == 0);
assert(m.size() == 8);
m[6] = 6.5;
assert(m[6] == 6.5);
assert(m.size() == 8);
}
#if TEST_STD_VER >= 11
{
typedef std::pair<const int, double> V;
V ar[] =
{
V(1, 1.5),
V(2, 2.5),
V(3, 3.5),
V(4, 4.5),
V(5, 5.5),
V(7, 7.5),
V(8, 8.5),
};
std::map<int, double, std::less<int>, min_allocator<V>> m(ar, ar+sizeof(ar)/sizeof(ar[0]));
assert(m.size() == 7);
assert(m[1] == 1.5);
assert(m.size() == 7);
const int i = 1;
m[i] = -1.5;
assert(m[1] == -1.5);
assert(m.size() == 7);
assert(m[6] == 0);
assert(m.size() == 8);
m[6] = 6.5;
assert(m[6] == 6.5);
assert(m.size() == 8);
}
{
// Use "container_test_types.h" to check what arguments get passed
// to the allocator for operator[]
using Container = TCT::map<>;
using Key = Container::key_type;
using MappedType = Container::mapped_type;
ConstructController* cc = getConstructController();
cc->reset();
{
Container c;
const Key k(1);
cc->expect<std::piecewise_construct_t const&, std::tuple<Key const&>&&, std::tuple<>&&>();
MappedType& mref = c[k];
assert(!cc->unchecked());
{
DisableAllocationGuard g;
MappedType& mref2 = c[k];
assert(&mref == &mref2);
}
}
{
Container c;
Key k(1);
cc->expect<std::piecewise_construct_t const&, std::tuple<Key const&>&&, std::tuple<>&&>();
MappedType& mref = c[k];
assert(!cc->unchecked());
{
DisableAllocationGuard g;
MappedType& mref2 = c[k];
assert(&mref == &mref2);
}
}
}
#endif
#if TEST_STD_VER > 11
{
typedef std::pair<const int, double> V;
V ar[] =
{
V(1, 1.5),
V(2, 2.5),
V(3, 3.5),
V(4, 4.5),
V(5, 5.5),
V(7, 7.5),
V(8, 8.5),
};
std::map<int, double, std::less<>> m(ar, ar+sizeof(ar)/sizeof(ar[0]));
assert(m.size() == 7);
assert(m[1] == 1.5);
assert(m.size() == 7);
m[1] = -1.5;
assert(m[1] == -1.5);
assert(m.size() == 7);
assert(m[6] == 0);
assert(m.size() == 8);
m[6] = 6.5;
assert(m[6] == 6.5);
assert(m.size() == 8);
}
#endif
return 0;
}
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