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 // istreambuf_iterator 13 // 14 // istreambuf_iterator() throw(); 15 // 16 // All specializations of istreambuf_iterator shall have a trivial copy constructor, 17 // a constexpr default constructor and a trivial destructor. 18 19 #include <iterator> 20 #include <sstream> 21 #include <cassert> 22 23 #include "test_macros.h" 24 25 int main() 26 { 27 { 28 typedef std::istreambuf_iterator<char> T; 29 T it; 30 assert(it == T()); 31 #if TEST_STD_VER >= 11 32 constexpr T it2; 33 (void)it2; 34 #endif 35 } 36 { 37 typedef std::istreambuf_iterator<wchar_t> T; 38 T it; 39 assert(it == T()); 40 #if TEST_STD_VER >= 11 41 constexpr T it2; 42 (void)it2; 43 #endif 44 } 45 } 46
