1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
12 // class istream_iterator
14 // istream_iterator(const istream_iterator& x);
15 // C++17 says: If is_trivially_copy_constructible_v<T> is true, then
16 // this constructor shall beis a trivial copy constructor.
22 #include "test_macros.h"
27 std::istream_iterator<int> io;
28 std::istream_iterator<int> i = io;
29 assert(i == std::istream_iterator<int>());
32 std::istringstream inf(" 1 23");
33 std::istream_iterator<int> io(inf);
34 std::istream_iterator<int> i = io;
35 assert(i != std::istream_iterator<int>());