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#include <memory> 11#include <string> 12#include <cassert> 13 14// The only way to create an unique_ptr<T[]> is to default construct them. 15 16class foo { 17public: 18 foo () : val_(3) {} 19 int get () const { return val_; } 20private: 21 int val_; 22 }; 23 24int main() 25{ 26#if _LIBCPP_STD_VER > 11 27 { 28 auto p1 = std::make_unique<int[]>(5); 29 for ( int i = 0; i < 5; ++i ) 30 assert ( p1[i] == 0 ); 31 } 32 33 { 34 auto p2 = std::make_unique<std::string[]>(5); 35 for ( int i = 0; i < 5; ++i ) 36 assert ( p2[i].size () == 0 ); 37 } 38 39 { 40 auto p3 = std::make_unique<foo[]>(7); 41 for ( int i = 0; i < 7; ++i ) 42 assert ( p3[i].get () == 3 ); 43 } 44#endif // _LIBCPP_STD_VER > 11 45} 46