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 // <unordered_set> 11 12 // template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>, 13 // class Alloc = allocator<Value>> 14 // class unordered_set 15 16 // unordered_set(); 17 18 #include <unordered_set> 19 #include <cassert> 20 21 #include "../../../NotConstructible.h" 22 #include "../../../test_compare.h" 23 #include "../../../test_hash.h" 24 #include "test_allocator.h" 25 #include "min_allocator.h" 26 27 int main() 28 { 29 { 30 typedef std::unordered_set<NotConstructible, 31 test_hash<std::hash<NotConstructible> >, 32 test_compare<std::equal_to<NotConstructible> >, 33 test_allocator<NotConstructible> 34 > C; 35 C c; 36 assert(c.bucket_count() == 0); 37 assert(c.hash_function() == test_hash<std::hash<NotConstructible> >()); 38 assert(c.key_eq() == test_compare<std::equal_to<NotConstructible> >()); 39 assert(c.get_allocator() == (test_allocator<NotConstructible>())); 40 assert(c.size() == 0); 41 assert(c.empty()); 42 assert(std::distance(c.begin(), c.end()) == 0); 43 assert(c.load_factor() == 0); 44 assert(c.max_load_factor() == 1); 45 } 46 #if __cplusplus >= 201103L 47 { 48 typedef std::unordered_set<NotConstructible, 49 test_hash<std::hash<NotConstructible> >, 50 test_compare<std::equal_to<NotConstructible> >, 51 min_allocator<NotConstructible> 52 > C; 53 C c; 54 assert(c.bucket_count() == 0); 55 assert(c.hash_function() == test_hash<std::hash<NotConstructible> >()); 56 assert(c.key_eq() == test_compare<std::equal_to<NotConstructible> >()); 57 assert(c.get_allocator() == (min_allocator<NotConstructible>())); 58 assert(c.size() == 0); 59 assert(c.empty()); 60 assert(std::distance(c.begin(), c.end()) == 0); 61 assert(c.load_factor() == 0); 62 assert(c.max_load_factor() == 1); 63 } 64 { 65 std::unordered_set<int> c = {}; 66 assert(c.bucket_count() == 0); 67 assert(c.size() == 0); 68 assert(c.empty()); 69 assert(std::distance(c.begin(), c.end()) == 0); 70 assert(c.load_factor() == 0); 71 assert(c.max_load_factor() == 1); 72 } 73 #endif 74 } 75
