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[official-gcc.git] / gomp-20050608-branch / libstdc++-v3 / testsuite / 27_io / basic_streambuf / sputn / wchar_t / 1.cc
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1 // 1999-10-11 bkoz
3 // Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
4 // Free Software Foundation, Inc.
5 //
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 2, or (at your option)
10 // any later version.
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING. If not, write to the Free
19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
20 // USA.
22 // As a special exception, you may use this file as part of a free software
23 // library without restriction. Specifically, if other files instantiate
24 // templates or use macros or inline functions from this file, or you compile
25 // this file and link it with other files to produce an executable, this
26 // file does not by itself cause the resulting executable to be covered by
27 // the GNU General Public License. This exception does not however
28 // invalidate any other reasons why the executable file might be covered by
29 // the GNU General Public License.
31 // 27.5.2 template class basic_streambuf
33 #include <streambuf>
34 #include <cwchar>
35 #include <testsuite_hooks.h>
37 class testbuf : public std::wstreambuf
39 public:
41 // Typedefs:
42 typedef std::wstreambuf::traits_type traits_type;
43 typedef std::wstreambuf::char_type char_type;
45 testbuf(): std::wstreambuf()
46 { }
48 bool
49 check_pointers()
51 bool test __attribute__((unused)) = true;
52 VERIFY( this->eback() == NULL );
53 VERIFY( this->gptr() == NULL );
54 VERIFY( this->egptr() == NULL );
55 VERIFY( this->pbase() == NULL );
56 VERIFY( this->pptr() == NULL );
57 VERIFY( this->epptr() == NULL );
58 return test;
61 int_type
62 pub_uflow()
63 { return (this->uflow()); }
65 int_type
66 pub_overflow(int_type __c = traits_type::eof())
67 { return (this->overflow(__c)); }
69 int_type
70 pub_pbackfail(int_type __c)
71 { return (this->pbackfail(__c)); }
73 void
74 pub_setg(wchar_t* beg, wchar_t* cur, wchar_t* end)
75 { this->setg(beg, cur, end); }
77 void
78 pub_setp(wchar_t* beg, wchar_t* end)
79 { this->setp(beg, end); }
81 protected:
82 int_type
83 underflow()
85 int_type __retval = traits_type::eof();
86 if (this->gptr() < this->egptr())
87 __retval = traits_type::not_eof(0);
88 return __retval;
92 void test01()
94 typedef testbuf::traits_type traits_type;
95 typedef testbuf::int_type int_type;
97 bool test __attribute__((unused)) = true;
98 testbuf buf01;
100 // sputn/xsputn
101 wchar_t lit02[] = L"isotope 217: the unstable molecule on thrill jockey";
102 const int i02 = std::wcslen(lit02);
104 wchar_t carray[i02 + 1];
105 std::wmemset(carray, 0, i02 + 1);
107 buf01.pub_setp(carray, (carray + i02));
108 buf01.sputn(lit02, 0);
109 VERIFY( carray[0] == 0 );
110 VERIFY( lit02[0] == L'i' );
111 buf01.sputn(lit02, 1);
112 VERIFY( lit02[0] == carray[0] );
113 VERIFY( lit02[1] == L's' );
114 VERIFY( carray[1] == 0 );
115 buf01.sputn(lit02 + 1, 10);
116 VERIFY( std::memcmp(lit02, carray, 10) == 0 );
117 buf01.sputn(lit02 + 11, 20);
118 VERIFY( std::memcmp(lit02, carray, 30) == 0 );
121 int main()
123 test01();
124 return 0;