aboutsummaryrefslogtreecommitdiff
path: root/libstdc++-v3/testsuite/21_strings/basic_string/inserters_extractors/char/1.cc
blob: 4b862322653ab574b39305ed1a2cc92264ef93f4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
// 1999-07-01 bkoz

// Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.

// 21.3.7.9 inserters and extractors

// NB: This file is predicated on sstreams, istreams, and ostreams
// working, not to mention other major details like char_traits, and
// all of the string class.

#include <string>
#include <stdexcept>
#include <sstream>
#include <fstream>
#include <iostream>
#include <testsuite_hooks.h>

bool test01(void)
{
  bool test = true;
  typedef std::string::size_type csize_type;
  typedef std::string::const_reference cref;
  typedef std::string::reference ref;
  csize_type npos = std::string::npos;
  csize_type csz01, csz02;

  const std::string str01("sailing grand traverse bay\n"
	       "\t\t\t    from Elk Rapids to the point reminds me of miles");
  const std::string str02("sailing");
  const std::string str03("grand");
  const std::string str04("traverse");
  const std::string str05;
  std::string str10;
  
  // istream& operator>>(istream&, string&)
  std::istringstream istrs01(str01);
  istrs01 >> str10;
  VERIFY( str10 == str02 );
  try 
    {
      std::istringstream::int_type i01 = istrs01.peek(); //a-boo
      VERIFY( std::istringstream::traits_type::to_char_type(i01) == ' ' );
    }
  catch(std::exception& fail) 
    {
      VERIFY( false ); // shouldn't throw
    }

  istrs01.clear();
  istrs01 >> str10; 
  VERIFY( str10 == str03 ); 
  istrs01.clear();
  istrs01 >> str10; 
  VERIFY( str10 == str04 ); // sentry picks out the white spaces. . 

  std::istringstream istrs02(str05); // empty
  istrs02 >> str10;
  VERIFY( str10 == str04 );
 
  // istream& getline(istream&, string&, char)
  // istream& getline(istream&, string&)
  try 
    {
      istrs01.clear();
      getline(istrs01, str10);
      VERIFY( !istrs01.fail() );
      VERIFY( !istrs01.eof() );
      VERIFY( istrs01.good() );
      VERIFY( str10 == " bay" );
    }
  catch(std::exception& fail) 
    {
      VERIFY( false ); // shouldn't throw
    }

  try 
    {
      istrs01.clear();
      getline(istrs01, str10,'\t');
      VERIFY( !istrs01.fail() );
      VERIFY( !istrs01.eof() );
      VERIFY( istrs01.good() );
      VERIFY( str10 == str05 );
    }
  catch(std::exception& fail) 
    {
      VERIFY( false ); // shouldn't throw
    }
  
  try 
    {
      istrs01.clear();
      getline(istrs01, str10,'\t');
      VERIFY( !istrs01.fail() );
      VERIFY( !istrs01.eof() );
      VERIFY( istrs01.good() );
      VERIFY( str10 == str05 );
    }
  catch(std::exception& fail) 
    {
      VERIFY( false ); // shouldn't throw
    }
  
  try 
    {
      istrs01.clear();
      getline(istrs01, str10, '.');
      VERIFY( !istrs01.fail() );
      VERIFY( istrs01.eof() );
      VERIFY( !istrs01.good() );
      VERIFY( str10 == "\t    from Elk Rapids to the point reminds me of miles" );
    }
  catch(std::exception& fail) 
    {
      VERIFY( false ); // shouldn't throw
    }

  try 
    {
      getline(istrs02, str10);
      VERIFY( istrs02.fail() );
      VERIFY( istrs02.eof() );
      VERIFY( str10 =="\t    from Elk Rapids to the point reminds me of miles" );
    }
  catch(std::exception& fail) 
    {
      VERIFY( false ); // shouldn't throw
    }
  
  // ostream& operator<<(ostream&, const basic_string&)
  std::ostringstream ostrs01;
  try 
    {
      ostrs01 << str01;
      VERIFY( ostrs01.str() == str01 );
    }
  catch(std::exception& fail) 
    {
      VERIFY( false );
    }
  
  std::string hello_world;
  std::cout << hello_world;
  
#ifdef DEBUG_ASSERT
  assert(test);
#endif
  return test;
}

int main()
{ 
  test01();
  return 0;
}