1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <queue> 11 12 // template <class T, class Container = vector<T>, 13 // class Compare = less<typename Container::value_type>> 14 // class priority_queue 15 // { 16 // public: 17 // typedef Container container_type; 18 // typedef typename container_type::value_type value_type; 19 // typedef typename container_type::reference reference; 20 // typedef typename container_type::const_reference const_reference; 21 // typedef typename container_type::size_type size_type; 22 // 23 // protected: 24 // container_type c; 25 // Compare comp; 26 27 #include <queue> 28 #include <cassert> 29 #include <type_traits> 30 31 struct test 32 : private std::priority_queue<int> 33 { 34 test() 35 { 36 c.push_back(1); 37 assert(comp(1, 2)); 38 } 39 }; 40 41 struct C 42 { 43 typedef int value_type; 44 typedef int& reference; 45 typedef const int& const_reference; 46 typedef int size_type; 47 }; 48 49 int main() 50 { 51 static_assert((std::is_same<std::priority_queue<int>::container_type, std::vector<int> >::value), ""); 52 static_assert((std::is_same<std::priority_queue<double, std::deque<int> >::container_type, std::deque<int> >::value), ""); 53 static_assert((std::is_same<std::priority_queue<double, std::deque<int> >::value_type, int>::value), ""); 54 static_assert((std::is_same<std::priority_queue<int>::reference, std::vector<int>::reference>::value), ""); 55 static_assert((std::is_same<std::priority_queue<int>::const_reference, std::vector<int>::const_reference>::value), ""); 56 static_assert((std::is_same<std::priority_queue<int>::size_type, std::vector<int>::size_type>::value), ""); 57 static_assert((std::uses_allocator<std::priority_queue<int>, std::allocator<int> >::value), ""); 58 static_assert((!std::uses_allocator<std::priority_queue<int, C>, std::allocator<int> >::value), ""); 59 test t; 60 } 61
