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 // <iterator> 11 12 // insert_iterator 13 14 // requires CopyConstructible<Cont::value_type> 15 // insert_iterator<Cont>& 16 // operator=(const Cont::value_type& value); 17 18 #include <iterator> 19 20 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 21 #include <vector> 22 #include <memory> 23 #include <cassert> 24 25 template <class C> 26 void 27 test(C c1, typename C::difference_type j, 28 typename C::value_type x1, typename C::value_type x2, 29 typename C::value_type x3, const C& c2) 30 { 31 std::insert_iterator<C> q(c1, c1.begin() + j); 32 q = std::move(x1); 33 q = std::move(x2); 34 q = std::move(x3); 35 assert(c1 == c2); 36 } 37 38 template <class C> 39 void 40 insert3at(C& c, typename C::iterator i, 41 typename C::value_type x1, typename C::value_type x2, 42 typename C::value_type x3) 43 { 44 i = c.insert(i, std::move(x1)); 45 i = c.insert(++i, std::move(x2)); 46 c.insert(++i, std::move(x3)); 47 } 48 49 struct do_nothing 50 { 51 void operator()(void*) const {} 52 }; 53 54 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 55 56 int main() 57 { 58 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 59 typedef std::unique_ptr<int, do_nothing> Ptr; 60 typedef std::vector<Ptr> C; 61 C c1; 62 int x[6] = {0}; 63 for (int i = 0; i < 3; ++i) 64 c1.push_back(Ptr(x+i)); 65 C c2; 66 for (int i = 0; i < 3; ++i) 67 c2.push_back(Ptr(x+i)); 68 insert3at(c2, c2.begin(), Ptr(x+3), Ptr(x+4), Ptr(x+5)); 69 test(std::move(c1), 0, Ptr(x+3), Ptr(x+4), Ptr(x+5), c2); 70 c1.clear(); 71 for (int i = 0; i < 3; ++i) 72 c1.push_back(Ptr(x+i)); 73 c2.clear(); 74 for (int i = 0; i < 3; ++i) 75 c2.push_back(Ptr(x+i)); 76 insert3at(c2, c2.begin()+1, Ptr(x+3), Ptr(x+4), Ptr(x+5)); 77 test(std::move(c1), 1, Ptr(x+3), Ptr(x+4), Ptr(x+5), c2); 78 c1.clear(); 79 for (int i = 0; i < 3; ++i) 80 c1.push_back(Ptr(x+i)); 81 c2.clear(); 82 for (int i = 0; i < 3; ++i) 83 c2.push_back(Ptr(x+i)); 84 insert3at(c2, c2.begin()+2, Ptr(x+3), Ptr(x+4), Ptr(x+5)); 85 test(std::move(c1), 2, Ptr(x+3), Ptr(x+4), Ptr(x+5), c2); 86 c1.clear(); 87 for (int i = 0; i < 3; ++i) 88 c1.push_back(Ptr(x+i)); 89 c2.clear(); 90 for (int i = 0; i < 3; ++i) 91 c2.push_back(Ptr(x+i)); 92 insert3at(c2, c2.begin()+3, Ptr(x+3), Ptr(x+4), Ptr(x+5)); 93 test(std::move(c1), 3, Ptr(x+3), Ptr(x+4), Ptr(x+5), c2); 94 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 95 } 96
