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 // UNSUPPORTED: c++98, c++03 11 12 // <vector> 13 14 // template <class... Args> iterator emplace(const_iterator pos, Args&&... args); 15 16 #include <vector> 17 #include <cassert> 18 19 #include "test_macros.h" 20 #include "test_allocator.h" 21 #include "min_allocator.h" 22 #include "asan_testing.h" 23 24 class A 25 { 26 int i_; 27 double d_; 28 29 A(const A&); 30 A& operator=(const A&); 31 public: 32 A(int i, double d) 33 : i_(i), d_(d) {} 34 35 A(A&& a) 36 : i_(a.i_), 37 d_(a.d_) 38 { 39 a.i_ = 0; 40 a.d_ = 0; 41 } 42 43 A& operator=(A&& a) 44 { 45 i_ = a.i_; 46 d_ = a.d_; 47 a.i_ = 0; 48 a.d_ = 0; 49 return *this; 50 } 51 52 int geti() const {return i_;} 53 double getd() const {return d_;} 54 }; 55 56 int main() 57 { 58 { 59 std::vector<A> c; 60 std::vector<A>::iterator i = c.emplace(c.cbegin(), 2, 3.5); 61 assert(i == c.begin()); 62 assert(c.size() == 1); 63 assert(c.front().geti() == 2); 64 assert(c.front().getd() == 3.5); 65 assert(is_contiguous_container_asan_correct(c)); 66 i = c.emplace(c.cend(), 3, 4.5); 67 assert(i == c.end()-1); 68 assert(c.size() == 2); 69 assert(c.front().geti() == 2); 70 assert(c.front().getd() == 3.5); 71 assert(c.back().geti() == 3); 72 assert(c.back().getd() == 4.5); 73 assert(is_contiguous_container_asan_correct(c)); 74 i = c.emplace(c.cbegin()+1, 4, 6.5); 75 assert(i == c.begin()+1); 76 assert(c.size() == 3); 77 assert(c.front().geti() == 2); 78 assert(c.front().getd() == 3.5); 79 assert(c[1].geti() == 4); 80 assert(c[1].getd() == 6.5); 81 assert(c.back().geti() == 3); 82 assert(c.back().getd() == 4.5); 83 assert(is_contiguous_container_asan_correct(c)); 84 } 85 { 86 std::vector<A, limited_allocator<A, 7> > c; 87 std::vector<A, limited_allocator<A, 7> >::iterator i = c.emplace(c.cbegin(), 2, 3.5); 88 assert(i == c.begin()); 89 assert(c.size() == 1); 90 assert(c.front().geti() == 2); 91 assert(c.front().getd() == 3.5); 92 assert(is_contiguous_container_asan_correct(c)); 93 i = c.emplace(c.cend(), 3, 4.5); 94 assert(i == c.end()-1); 95 assert(c.size() == 2); 96 assert(c.front().geti() == 2); 97 assert(c.front().getd() == 3.5); 98 assert(c.back().geti() == 3); 99 assert(c.back().getd() == 4.5); 100 assert(is_contiguous_container_asan_correct(c)); 101 i = c.emplace(c.cbegin()+1, 4, 6.5); 102 assert(i == c.begin()+1); 103 assert(c.size() == 3); 104 assert(c.front().geti() == 2); 105 assert(c.front().getd() == 3.5); 106 assert(c[1].geti() == 4); 107 assert(c[1].getd() == 6.5); 108 assert(c.back().geti() == 3); 109 assert(c.back().getd() == 4.5); 110 assert(is_contiguous_container_asan_correct(c)); 111 } 112 { 113 std::vector<A, min_allocator<A>> c; 114 std::vector<A, min_allocator<A>>::iterator i = c.emplace(c.cbegin(), 2, 3.5); 115 assert(i == c.begin()); 116 assert(c.size() == 1); 117 assert(c.front().geti() == 2); 118 assert(c.front().getd() == 3.5); 119 i = c.emplace(c.cend(), 3, 4.5); 120 assert(i == c.end()-1); 121 assert(c.size() == 2); 122 assert(c.front().geti() == 2); 123 assert(c.front().getd() == 3.5); 124 assert(c.back().geti() == 3); 125 assert(c.back().getd() == 4.5); 126 i = c.emplace(c.cbegin()+1, 4, 6.5); 127 assert(i == c.begin()+1); 128 assert(c.size() == 3); 129 assert(c.front().geti() == 2); 130 assert(c.front().getd() == 3.5); 131 assert(c[1].geti() == 4); 132 assert(c[1].getd() == 6.5); 133 assert(c.back().geti() == 3); 134 assert(c.back().getd() == 4.5); 135 } 136 } 137