1// 981208 bkoz test functionality of basic_stringbuf for char_type == char
2
3// Copyright (C) 1997-2015 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License along
17// with this library; see the file COPYING3.  If not see
18// <http://www.gnu.org/licenses/>.
19
20#include <sstream>
21#include <testsuite_hooks.h>
22
23std::string str_01("mykonos. . . or what?");
24std::string str_02("paris, or sainte-maxime?");
25std::string str_03;
26std::stringbuf strb_01(str_01);
27std::stringbuf strb_02(str_02, std::ios_base::in);
28std::stringbuf strb_03(str_03, std::ios_base::out);
29
30// test overloaded virtual functions
31void test04()
32{
33  bool test __attribute__((unused)) = true;
34  std::streamsize 		strmsz_1, strmsz_2;
35  typedef std::stringbuf::int_type int_type;
36  typedef std::stringbuf::traits_type traits_type;
37
38  // GET
39  strb_01.in_avail();
40  strb_02.in_avail();
41  strb_03.in_avail();
42
43  int_type c1 = strb_01.sbumpc();
44  int_type c2 = strb_02.sbumpc();
45  strb_01.sbumpc();
46  int_type c4 = strb_02.sbumpc();
47  strb_03.sbumpc();
48
49  // int_type sgetc()
50  // if read_cur not avail, return uflow(), else return *read_cur
51  int_type c6 = strb_01.sgetc();
52  int_type c7 = strb_02.sgetc();
53  strb_01.sgetc();
54  strb_02.sgetc();
55  strb_03.sgetc();
56
57  // int_type snextc()
58  // calls sbumpc and if sbumpc != eof, return sgetc
59  c6 = strb_01.snextc();
60  c7 = strb_02.snextc();
61  strb_03.snextc();
62
63  // streamsize sgetn(char_type *s, streamsize n)
64  // streamsize xsgetn(char_type *s, streamsize n)
65  // assign up to n chars to s from input sequence, indexing in_cur as
66  // approp and returning the number of chars assigned
67  strmsz_1 = strb_01.in_avail();
68  strmsz_2 = strb_02.in_avail();
69  test = strmsz_1 != strmsz_2;
70  VERIFY( strmsz_1 != static_cast<std::streamsize>(str_01.length()) );
71  // because now we've moved into string
72  VERIFY( strmsz_2 != static_cast<std::streamsize>(str_02.length()) );
73  char carray1[11] = "";
74  strmsz_1 = strb_01.sgetn(carray1, 10);
75  char carray2[20] = "";
76  strmsz_2 = strb_02.sgetn(carray2, 10);
77  VERIFY( strmsz_1 == strmsz_2 );
78  VERIFY( strmsz_1 == 10 );
79  c1 = strb_01.sgetc();
80  c2 = strb_02.sgetc();
81  VERIFY( c6 == c1 ); //just by co-incidence both o's
82  VERIFY( c7 != c2 ); // n != i
83  VERIFY( c1 == traits_type::to_int_type(str_01[13]) );
84  VERIFY( c2 == traits_type::to_int_type(str_02[13]) ); //should equal fourteenth letter at this point
85  strmsz_1 = strb_03.sgetn(carray1, 10);
86  VERIFY( !strmsz_1 ); //zero
87  strmsz_1 = strb_02.in_avail();
88  strmsz_2 = strb_02.sgetn(carray2, strmsz_1 + 5);
89  VERIFY( strmsz_1 == strmsz_2 ); //write off the end
90  c4 = strb_02.sgetc(); // should be EOF
91  VERIFY( c4 == traits_type::eof() );
92}
93
94int main()
95{
96  test04();
97  return 0;
98}
99
100
101
102// more candy!!!
103