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 // iterator insert(const_iterator p, 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 C::iterator R; 29 typedef double P; 30 C c; 31 C::const_iterator e = c.end(); 32 R r = c.insert(e, P(3.5)); 33 assert(c.size() == 1); 34 assert(*r == 3.5); 35 36 r = c.insert(r, P(3.5)); 37 assert(c.size() == 1); 38 assert(*r == 3.5); 39 40 r = c.insert(e, P(4.5)); 41 assert(c.size() == 2); 42 assert(*r == 4.5); 43 44 r = c.insert(e, P(5.5)); 45 assert(c.size() == 3); 46 assert(*r == 5.5); 47 } 48 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 49 { 50 typedef std::unordered_set<MoveOnly> C; 51 typedef C::iterator R; 52 typedef MoveOnly P; 53 C c; 54 C::const_iterator e = c.end(); 55 R r = c.insert(e, P(3)); 56 assert(c.size() == 1); 57 assert(*r == 3); 58 59 r = c.insert(r, P(3)); 60 assert(c.size() == 1); 61 assert(*r == 3); 62 63 r = c.insert(e, P(4)); 64 assert(c.size() == 2); 65 assert(*r == 4); 66 67 r = c.insert(e, P(5)); 68 assert(c.size() == 3); 69 assert(*r == 5); 70 } 71 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 72 #if __cplusplus >= 201103L 73 { 74 typedef std::unordered_set<double, std::hash<double>, 75 std::equal_to<double>, min_allocator<double>> C; 76 typedef C::iterator R; 77 typedef double P; 78 C c; 79 C::const_iterator e = c.end(); 80 R r = c.insert(e, P(3.5)); 81 assert(c.size() == 1); 82 assert(*r == 3.5); 83 84 r = c.insert(r, P(3.5)); 85 assert(c.size() == 1); 86 assert(*r == 3.5); 87 88 r = c.insert(e, P(4.5)); 89 assert(c.size() == 2); 90 assert(*r == 4.5); 91 92 r = c.insert(e, P(5.5)); 93 assert(c.size() == 3); 94 assert(*r == 5.5); 95 } 96 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 97 { 98 typedef std::unordered_set<MoveOnly, std::hash<MoveOnly>, 99 std::equal_to<MoveOnly>, min_allocator<MoveOnly>> C; 100 typedef C::iterator R; 101 typedef MoveOnly P; 102 C c; 103 C::const_iterator e = c.end(); 104 R r = c.insert(e, P(3)); 105 assert(c.size() == 1); 106 assert(*r == 3); 107 108 r = c.insert(r, P(3)); 109 assert(c.size() == 1); 110 assert(*r == 3); 111 112 r = c.insert(e, P(4)); 113 assert(c.size() == 2); 114 assert(*r == 4); 115 116 r = c.insert(e, P(5)); 117 assert(c.size() == 3); 118 assert(*r == 5); 119 } 120 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 121 #endif 122 } 123