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 // pair<iterator, bool> insert(value_type&& x); 17 18 #include <unordered_set> 19 #include <cassert> 20 21 #include "MoveOnly.h" 22 #include "min_allocator.h" 23 24 int main() 25 { 26 { 27 typedef std::unordered_set<double> C; 28 typedef std::pair<C::iterator, bool> R; 29 typedef double P; 30 C c; 31 R r = c.insert(P(3.5)); 32 assert(c.size() == 1); 33 assert(*r.first == 3.5); 34 assert(r.second); 35 36 r = c.insert(P(3.5)); 37 assert(c.size() == 1); 38 assert(*r.first == 3.5); 39 assert(!r.second); 40 41 r = c.insert(P(4.5)); 42 assert(c.size() == 2); 43 assert(*r.first == 4.5); 44 assert(r.second); 45 46 r = c.insert(P(5.5)); 47 assert(c.size() == 3); 48 assert(*r.first == 5.5); 49 assert(r.second); 50 } 51 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 52 { 53 typedef std::unordered_set<MoveOnly> C; 54 typedef std::pair<C::iterator, bool> R; 55 typedef MoveOnly P; 56 C c; 57 R r = c.insert(P(3)); 58 assert(c.size() == 1); 59 assert(*r.first == 3); 60 assert(r.second); 61 62 r = c.insert(P(3)); 63 assert(c.size() == 1); 64 assert(*r.first == 3); 65 assert(!r.second); 66 67 r = c.insert(P(4)); 68 assert(c.size() == 2); 69 assert(*r.first == 4); 70 assert(r.second); 71 72 r = c.insert(P(5)); 73 assert(c.size() == 3); 74 assert(*r.first == 5); 75 assert(r.second); 76 } 77 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 78 #if TEST_STD_VER >= 11 79 { 80 typedef std::unordered_set<double, std::hash<double>, 81 std::equal_to<double>, min_allocator<double>> C; 82 typedef std::pair<C::iterator, bool> R; 83 typedef double P; 84 C c; 85 R r = c.insert(P(3.5)); 86 assert(c.size() == 1); 87 assert(*r.first == 3.5); 88 assert(r.second); 89 90 r = c.insert(P(3.5)); 91 assert(c.size() == 1); 92 assert(*r.first == 3.5); 93 assert(!r.second); 94 95 r = c.insert(P(4.5)); 96 assert(c.size() == 2); 97 assert(*r.first == 4.5); 98 assert(r.second); 99 100 r = c.insert(P(5.5)); 101 assert(c.size() == 3); 102 assert(*r.first == 5.5); 103 assert(r.second); 104 } 105 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 106 { 107 typedef std::unordered_set<MoveOnly, std::hash<MoveOnly>, 108 std::equal_to<MoveOnly>, min_allocator<MoveOnly>> C; 109 typedef std::pair<C::iterator, bool> R; 110 typedef MoveOnly P; 111 C c; 112 R r = c.insert(P(3)); 113 assert(c.size() == 1); 114 assert(*r.first == 3); 115 assert(r.second); 116 117 r = c.insert(P(3)); 118 assert(c.size() == 1); 119 assert(*r.first == 3); 120 assert(!r.second); 121 122 r = c.insert(P(4)); 123 assert(c.size() == 2); 124 assert(*r.first == 4); 125 assert(r.second); 126 127 r = c.insert(P(5)); 128 assert(c.size() == 3); 129 assert(*r.first == 5); 130 assert(r.second); 131 } 132 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 133 #endif 134 } 135