108 lines
4.3 KiB
C++
108 lines
4.3 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <map>
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// UNSUPPORTED: c++98, c++03, c++11, c++14
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// UNSUPPORTED: libcpp-no-deduction-guides
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// template<class InputIterator,
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// class Compare = less<iter-value-type<InputIterator>>,
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// class Allocator = allocator<iter-value-type<InputIterator>>>
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// map(InputIterator, InputIterator,
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// Compare = Compare(), Allocator = Allocator())
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// -> map<iter-value-type<InputIterator>, Compare, Allocator>;
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// template<class Key, class Compare = less<Key>, class Allocator = allocator<Key>>
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// map(initializer_list<Key>, Compare = Compare(), Allocator = Allocator())
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// -> map<Key, Compare, Allocator>;
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// template<class InputIterator, class Allocator>
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// map(InputIterator, InputIterator, Allocator)
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// -> map<iter-value-type<InputIterator>, less<iter-value-type<InputIterator>>, Allocator>;
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// template<class Key, class Allocator>
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// map(initializer_list<Key>, Allocator)
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// -> map<Key, less<Key>, Allocator>;
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#include <algorithm> // std::equal
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#include <cassert>
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#include <climits> // INT_MAX
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#include <functional>
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#include <map>
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#include <type_traits>
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#include "test_allocator.h"
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using P = std::pair<int, long>;
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using PC = std::pair<const int, long>;
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using PCC = std::pair<const int, const long>;
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int main(int, char**)
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{
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{
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const PCC arr[] = { {1,1L}, {2,2L}, {1,1L}, {INT_MAX,1L}, {3,1L} };
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std::map m(std::begin(arr), std::end(arr));
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ASSERT_SAME_TYPE(decltype(m), std::map<int, const long>);
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const PCC expected_m[] = { {1,1L}, {2,2L}, {3,1L}, {INT_MAX,1L} };
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assert(std::equal(m.begin(), m.end(), std::begin(expected_m), std::end(expected_m)));
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}
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{
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const PCC arr[] = { {1,1L}, {2,2L}, {1,1L}, {INT_MAX,1L}, {3,1L} };
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std::map m(std::begin(arr), std::end(arr), std::greater<int>());
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ASSERT_SAME_TYPE(decltype(m), std::map<int, const long, std::greater<int>>);
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const PCC expected_m[] = { {INT_MAX,1L}, {3,1L}, {2,2L}, {1, 1L} };
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assert(std::equal(m.begin(), m.end(), std::begin(expected_m), std::end(expected_m)));
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}
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{
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const PCC arr[] = { {1,1L}, {2,2L}, {1,1L}, {INT_MAX,1L}, {3,1L} };
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std::map m(std::begin(arr), std::end(arr), std::greater<int>(), test_allocator<PCC>(0, 42));
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ASSERT_SAME_TYPE(decltype(m), std::map<int, const long, std::greater<int>, test_allocator<PCC>>);
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const PCC expected_m[] = { {INT_MAX,1L}, {3,1L}, {2,2L}, {1, 1L} };
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assert(std::equal(m.begin(), m.end(), std::begin(expected_m), std::end(expected_m)));
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assert(m.get_allocator().get_id() == 42);
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}
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{
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std::map m{ PC{1,1L}, PC{2,2L}, PC{1,1L}, PC{INT_MAX,1L}, PC{3,1L} };
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ASSERT_SAME_TYPE(decltype(m), std::map<int, long>);
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const PC expected_m[] = { {1, 1L}, {2,2L}, {3,1L}, {INT_MAX,1L} };
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assert(std::equal(m.begin(), m.end(), std::begin(expected_m), std::end(expected_m)));
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}
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{
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std::map m({ PC{1,1L}, PC{2,2L}, PC{1,1L}, PC{INT_MAX,1L}, PC{3,1L} }, std::greater<int>());
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ASSERT_SAME_TYPE(decltype(m), std::map<int, long, std::greater<int>>);
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const PC expected_m[] = { {INT_MAX,1L}, {3,1L}, {2,2L}, {1, 1L} };
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assert(std::equal(m.begin(), m.end(), std::begin(expected_m), std::end(expected_m)));
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}
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{
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std::map m({ PC{1,1L}, PC{2,2L}, PC{1,1L}, PC{INT_MAX,1L}, PC{3,1L} }, std::greater<int>(), test_allocator<PC>(0, 43));
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ASSERT_SAME_TYPE(decltype(m), std::map<int, long, std::greater<int>, test_allocator<PC>>);
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const PC expected_m[] = { {INT_MAX,1L}, {3,1L}, {2,2L}, {1, 1L} };
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assert(std::equal(m.begin(), m.end(), std::begin(expected_m), std::end(expected_m)));
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assert(m.get_allocator().get_id() == 43);
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}
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{
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std::map m({ PC{1,1L}, PC{2,2L}, PC{1,1L}, PC{INT_MAX,1L}, PC{3,1L} }, test_allocator<PC>(0, 45));
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ASSERT_SAME_TYPE(decltype(m), std::map<int, long, std::less<int>, test_allocator<PC>>);
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const PC expected_m[] = { {1, 1L}, {2,2L}, {3,1L}, {INT_MAX,1L} };
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assert(std::equal(m.begin(), m.end(), std::begin(expected_m), std::end(expected_m)));
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assert(m.get_allocator().get_id() == 45);
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}
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return 0;
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}
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