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// REQUIRES: locale.en_US.UTF-8
10
11// <streambuf>
12
13// template <class charT, class traits = char_traits<charT> >
14// class basic_streambuf;
15
16// basic_streambuf();
17
18#include <streambuf>
19#include <cassert>
20
21#include "test_macros.h"
22#include "platform_support.h" // locale name macros
23
24template <class CharT>
25struct test
26 : public std::basic_streambuf<CharT>
27{
28 test()
29 {
30 assert(this->eback() == 0);
31 assert(this->gptr() == 0);
32 assert(this->egptr() == 0);
33 assert(this->pbase() == 0);
34 assert(this->pptr() == 0);
35 assert(this->epptr() == 0);
36 }
37};
38
39int main(int, char**)
40{
41 {
42 test<char> t;
43 assert(t.getloc().name() == "C");
44 }
45#ifndef TEST_HAS_NO_WIDE_CHARACTERS
46 {
47 test<wchar_t> t;
48 assert(t.getloc().name() == "C");
49 }
50#endif
51
52 std::locale::global(std::locale(LOCALE_en_US_UTF_8));
53 {
54 test<char> t;
55 assert(t.getloc().name() == LOCALE_en_US_UTF_8);
56 }
57#ifndef TEST_HAS_NO_WIDE_CHARACTERS
58 {
59 test<wchar_t> t;
60 assert(t.getloc().name() == LOCALE_en_US_UTF_8);
61 }
62#endif
63
64 return 0;
65}
66

source code of libcxx/test/std/input.output/stream.buffers/streambuf/streambuf.cons/default.pass.cpp