//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // template // ForwardIterator // uninitialized_copy(InputIterator first, InputIterator last, // ForwardIterator result); #include #include struct B { static int count_; int data_; explicit B() : data_(1) {} B(const B& b) {if (++count_ == 3) throw 1; data_ = b.data_;} ~B() {data_ = 0;} }; int B::count_ = 0; int main() { const int N = 5; char pool[sizeof(B)*N] = {0}; B* bp = (B*)pool; B b[N]; try { std::uninitialized_copy(b, b+N, bp); assert(false); } catch (...) { for (int i = 0; i < N; ++i) assert(bp[i].data_ == 0); } B::count_ = 0; std::uninitialized_copy(b, b+2, bp); for (int i = 0; i < 2; ++i) assert(bp[i].data_ == 1); }