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 // <streambuf>
11
12 // template <class charT, class traits = char_traits<charT> >
13 // class basic_streambuf;
14
15 // basic_streambuf& operator=(const basic_streambuf& rhs);
16
17 #include <streambuf>
18 #include <cassert>
19
20 #include "platform_support.h" // locale name macros
21
22 template <class CharT>
23 struct test
24 : public std::basic_streambuf<CharT>
25 {
26 typedef std::basic_streambuf<CharT> base;
testtest27 test() {}
28
operator =test29 test& operator=(const test& t)
30 {
31 base::operator=(t);
32 assert(this->eback() == t.eback());
33 assert(this->gptr() == t.gptr());
34 assert(this->egptr() == t.egptr());
35 assert(this->pbase() == t.pbase());
36 assert(this->pptr() == t.pptr());
37 assert(this->epptr() == t.epptr());
38 assert(this->getloc() == t.getloc());
39 return *this;
40 }
41
setgtest42 void setg(CharT* gbeg, CharT* gnext, CharT* gend)
43 {
44 base::setg(gbeg, gnext, gend);
45 }
setptest46 void setp(CharT* pbeg, CharT* pend)
47 {
48 base::setp(pbeg, pend);
49 }
50 };
51
main()52 int main()
53 {
54 {
55 test<char> t;
56 test<char> t2;
57 t2 = t;
58 }
59 {
60 test<wchar_t> t;
61 test<wchar_t> t2;
62 t2 = t;
63 }
64 {
65 char g1, g2, g3, p1, p3;
66 test<char> t;
67 t.setg(&g1, &g2, &g3);
68 t.setp(&p1, &p3);
69 test<char> t2;
70 t2 = t;
71 }
72 {
73 wchar_t g1, g2, g3, p1, p3;
74 test<wchar_t> t;
75 t.setg(&g1, &g2, &g3);
76 t.setp(&p1, &p3);
77 test<wchar_t> t2;
78 t2 = t;
79 }
80 std::locale::global(std::locale(LOCALE_en_US_UTF_8));
81 {
82 test<char> t;
83 test<char> t2;
84 t2 = t;
85 }
86 {
87 test<wchar_t> t;
88 test<wchar_t> t2;
89 t2 = t;
90 }
91 }
92