145 lines
3.5 KiB
C++
145 lines
3.5 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <map>
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// class map
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// mapped_type& operator[](const key_type& k);
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#include <map>
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#include <cassert>
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#include "test_macros.h"
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#include "count_new.hpp"
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#include "min_allocator.h"
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#include "private_constructor.hpp"
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#if TEST_STD_VER >= 11
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#include "container_test_types.h"
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#endif
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int main()
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{
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{
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typedef std::pair<const int, double> V;
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V ar[] =
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{
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V(1, 1.5),
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V(2, 2.5),
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V(3, 3.5),
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V(4, 4.5),
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V(5, 5.5),
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V(7, 7.5),
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V(8, 8.5),
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};
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std::map<int, double> m(ar, ar+sizeof(ar)/sizeof(ar[0]));
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assert(m.size() == 7);
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assert(m[1] == 1.5);
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assert(m.size() == 7);
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m[1] = -1.5;
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assert(m[1] == -1.5);
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assert(m.size() == 7);
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assert(m[6] == 0);
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assert(m.size() == 8);
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m[6] = 6.5;
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assert(m[6] == 6.5);
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assert(m.size() == 8);
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}
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#if TEST_STD_VER >= 11
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{
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typedef std::pair<const int, double> V;
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V ar[] =
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{
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V(1, 1.5),
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V(2, 2.5),
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V(3, 3.5),
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V(4, 4.5),
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V(5, 5.5),
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V(7, 7.5),
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V(8, 8.5),
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};
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std::map<int, double, std::less<int>, min_allocator<V>> m(ar, ar+sizeof(ar)/sizeof(ar[0]));
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assert(m.size() == 7);
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assert(m[1] == 1.5);
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assert(m.size() == 7);
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const int i = 1;
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m[i] = -1.5;
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assert(m[1] == -1.5);
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assert(m.size() == 7);
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assert(m[6] == 0);
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assert(m.size() == 8);
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m[6] = 6.5;
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assert(m[6] == 6.5);
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assert(m.size() == 8);
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}
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{
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// Use "container_test_types.h" to check what arguments get passed
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// to the allocator for operator[]
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using Container = TCT::map<>;
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using Key = Container::key_type;
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using MappedType = Container::mapped_type;
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using ValueTp = Container::value_type;
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ConstructController* cc = getConstructController();
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cc->reset();
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{
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Container c;
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const Key k(1);
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cc->expect<std::piecewise_construct_t const&, std::tuple<Key const&>&&, std::tuple<>&&>();
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MappedType& mref = c[k];
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assert(!cc->unchecked());
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{
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DisableAllocationGuard g;
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MappedType& mref2 = c[k];
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assert(&mref == &mref2);
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}
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}
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{
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Container c;
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Key k(1);
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cc->expect<std::piecewise_construct_t const&, std::tuple<Key const&>&&, std::tuple<>&&>();
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MappedType& mref = c[k];
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assert(!cc->unchecked());
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{
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DisableAllocationGuard g;
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MappedType& mref2 = c[k];
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assert(&mref == &mref2);
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}
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}
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}
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#endif
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#if TEST_STD_VER > 11
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{
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typedef std::pair<const int, double> V;
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V ar[] =
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{
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V(1, 1.5),
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V(2, 2.5),
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V(3, 3.5),
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V(4, 4.5),
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V(5, 5.5),
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V(7, 7.5),
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V(8, 8.5),
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};
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std::map<int, double, std::less<>> m(ar, ar+sizeof(ar)/sizeof(ar[0]));
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assert(m.size() == 7);
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assert(m[1] == 1.5);
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assert(m.size() == 7);
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m[1] = -1.5;
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assert(m[1] == -1.5);
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assert(m.size() == 7);
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assert(m[6] == 0);
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assert(m.size() == 8);
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m[6] = 6.5;
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assert(m[6] == 6.5);
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assert(m.size() == 8);
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}
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#endif
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}
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