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& operator=(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
24 template <class CharT>
25 struct test
26 : public std::basic_streambuf<CharT>
27 {
28 typedef std::basic_streambuf<CharT> base;
testtest29 test() {}
30
operator =test31 test& operator=(const test& t)
32 {
33 base::operator=(t);
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 return *this;
42 }
43
setgtest44 void setg(CharT* gbeg, CharT* gnext, CharT* gend)
45 {
46 base::setg(gbeg, gnext, gend);
47 }
setptest48 void setp(CharT* pbeg, CharT* pend)
49 {
50 base::setp(pbeg, pend);
51 }
52 };
53
main(int,char **)54 int main(int, char**)
55 {
56 {
57 test<char> t;
58 test<char> t2;
59 t2 = t;
60 }
61 {
62 char g1, g2, g3, p1, p3;
63 test<char> t;
64 t.setg(&g1, &g2, &g3);
65 t.setp(&p1, &p3);
66 test<char> t2;
67 t2 = t;
68 }
69 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
70 {
71 test<wchar_t> t;
72 test<wchar_t> t2;
73 t2 = t;
74 }
75 {
76 wchar_t g1, g2, g3, p1, p3;
77 test<wchar_t> t;
78 t.setg(&g1, &g2, &g3);
79 t.setp(&p1, &p3);
80 test<wchar_t> t2;
81 t2 = t;
82 }
83 #endif
84 std::locale::global(std::locale(LOCALE_en_US_UTF_8));
85 {
86 test<char> t;
87 test<char> t2;
88 t2 = t;
89 }
90 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
91 {
92 test<wchar_t> t;
93 test<wchar_t> t2;
94 t2 = t;
95 }
96 #endif
97
98 return 0;
99 }
100