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// Test fails due to use of is_trivially_* trait.
13// XFAIL: gcc-4.9
14
15// template<class charT, class traits = char_traits<charT> >
16// class istreambuf_iterator
17//     : public iterator<input_iterator_tag, charT,
18//                       typename traits::off_type, unspecified,
19//                       charT>
20// {
21// public:
22//     typedef charT                         char_type;
23//     typedef traits                        traits_type;
24//     typedef typename traits::int_type     int_type;
25//     typedef basic_streambuf<charT,traits> streambuf_type;
26//     typedef basic_istream<charT,traits>   istream_type;
27//     ...
28//
29// All specializations of istreambuf_iterator shall have a trivial copy constructor,
30//    a constexpr default constructor and a trivial destructor.
31
32#include <iterator>
33#include <string>
34#include <type_traits>
35
36#include "test_macros.h"
37
38int main()
39{
40    typedef std::istreambuf_iterator<char> I1;
41    static_assert((std::is_same<I1::iterator_category, std::input_iterator_tag>::value), "");
42    static_assert((std::is_same<I1::value_type, char>::value), "");
43    static_assert((std::is_same<I1::difference_type, std::char_traits<char>::off_type>::value), "");
44    LIBCPP_STATIC_ASSERT((std::is_same<I1::pointer, char*>::value), "");
45    static_assert((std::is_same<I1::reference, char>::value), "");
46    static_assert((std::is_same<I1::char_type, char>::value), "");
47    static_assert((std::is_same<I1::traits_type, std::char_traits<char> >::value), "");
48    static_assert((std::is_same<I1::int_type, I1::traits_type::int_type>::value), "");
49    static_assert((std::is_same<I1::streambuf_type, std::streambuf>::value), "");
50    static_assert((std::is_same<I1::istream_type, std::istream>::value), "");
51    static_assert((std::is_nothrow_default_constructible<I1>::value), "" );
52    static_assert((std::is_trivially_copy_constructible<I1>::value), "" );
53    static_assert((std::is_trivially_destructible<I1>::value), "" );
54
55    typedef std::istreambuf_iterator<wchar_t> I2;
56    static_assert((std::is_same<I2::iterator_category, std::input_iterator_tag>::value), "");
57    static_assert((std::is_same<I2::value_type, wchar_t>::value), "");
58    static_assert((std::is_same<I2::difference_type, std::char_traits<wchar_t>::off_type>::value), "");
59    LIBCPP_STATIC_ASSERT((std::is_same<I2::pointer, wchar_t*>::value), "");
60    static_assert((std::is_same<I2::reference, wchar_t>::value), "");
61    static_assert((std::is_same<I2::char_type, wchar_t>::value), "");
62    static_assert((std::is_same<I2::traits_type, std::char_traits<wchar_t> >::value), "");
63    static_assert((std::is_same<I2::int_type, I2::traits_type::int_type>::value), "");
64    static_assert((std::is_same<I2::streambuf_type, std::wstreambuf>::value), "");
65    static_assert((std::is_same<I2::istream_type, std::wistream>::value), "");
66    static_assert((std::is_nothrow_default_constructible<I2>::value), "" );
67    static_assert((std::is_trivially_copy_constructible<I2>::value), "" );
68    static_assert((std::is_trivially_destructible<I2>::value), "" );
69}
70