1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <ostream>
10 
11 // template <class charT, class traits = char_traits<charT> >
12 // class basic_ostream;
13 
14 // explicit basic_ostream(basic_streambuf<charT,traits>* sb);
15 
16 #include <ostream>
17 #include <cassert>
18 
19 #include "test_macros.h"
20 
21 template <class CharT>
22 struct testbuf
23     : public std::basic_streambuf<CharT>
24 {
testbuftestbuf25     testbuf() {}
26 };
27 
main(int,char **)28 int main(int, char**)
29 {
30     {
31         testbuf<char> sb;
32         std::basic_ostream<char> os(&sb);
33         assert(os.rdbuf() == &sb);
34         assert(os.tie() == 0);
35         assert(os.fill() == ' ');
36         assert(os.rdstate() == os.goodbit);
37         assert(os.exceptions() == os.goodbit);
38         assert(os.flags() == (os.skipws | os.dec));
39         assert(os.precision() == 6);
40         assert(os.getloc().name() == "C");
41     }
42 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
43     {
44         testbuf<wchar_t> sb;
45         std::basic_ostream<wchar_t> os(&sb);
46         assert(os.rdbuf() == &sb);
47         assert(os.tie() == 0);
48         assert(os.fill() == L' ');
49         assert(os.rdstate() == os.goodbit);
50         assert(os.exceptions() == os.goodbit);
51         assert(os.flags() == (os.skipws | os.dec));
52         assert(os.precision() == 6);
53         assert(os.getloc().name() == "C");
54     }
55 #endif
56 
57   return 0;
58 }
59