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(const basic_streambuf& rhs);
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 typedef std::basic_streambuf<CharT> base;
29 test() {}
30
31 test(const test& t)
32 : std::basic_streambuf<CharT>(t)
33 {
34 assert(this->eback() == t.eback());
35 assert(this->gptr() == t.gptr());
36 assert(this->egptr() == t.egptr());
37 assert(this->pbase() == t.pbase());
38 assert(this->pptr() == t.pptr());
39 assert(this->epptr() == t.epptr());
40 assert(this->getloc() == t.getloc());
41 }
42
43 void setg(CharT* gbeg, CharT* gnext, CharT* gend)
44 {
45 base::setg(gbeg, gnext, gend);
46 }
47 void setp(CharT* pbeg, CharT* pend)
48 {
49 base::setp(pbeg, pend);
50 }
51};
52
53int main(int, char**)
54{
55 {
56 test<char> t;
57 test<char> t2 = t;
58 }
59 {
60 char g[3];
61 char p[3];
62 test<char> t;
63 t.setg(gbeg: &g[0], gnext: &g[1], gend: &g[2]);
64 t.setp(pbeg: &p[0], pend: &p[2]);
65 test<char> t2 = t;
66 }
67#ifndef TEST_HAS_NO_WIDE_CHARACTERS
68 {
69 wchar_t g[3];
70 wchar_t p[3];
71 test<wchar_t> t;
72 t.setg(gbeg: &g[0], gnext: &g[1], gend: &g[2]);
73 t.setp(pbeg: &p[0], pend: &p[2]);
74 test<wchar_t> t2 = t;
75 }
76 {
77 test<wchar_t> t;
78 test<wchar_t> t2 = t;
79 }
80#endif
81 std::locale::global(std::locale(LOCALE_en_US_UTF_8));
82 {
83 test<char> t;
84 test<char> t2 = t;
85 }
86#ifndef TEST_HAS_NO_WIDE_CHARACTERS
87 {
88 test<wchar_t> t;
89 test<wchar_t> t2 = t;
90 }
91#endif
92
93 return 0;
94}
95

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