aboutsummaryrefslogtreecommitdiff
path: root/libstdc++-v3/testsuite/21_strings/ctor_copy_dtor.cc
blob: 28e9d8ef160ace95a2ead1c671a807700156be27 (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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
// 1999-06-04 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.

// 21.3.1 basic_string constructors.

#include <new>
#include <string>
#include <vector>
#include <stdexcept>
#include <testsuite_hooks.h>

void test01(void)
{
  bool test = true;
  typedef std::string::size_type csize_type;
  typedef std::string::iterator citerator;
  csize_type npos = std::string::npos;
  csize_type csz01, csz02;

  const char str_lit01[] = "rodeo beach, marin";
  const std::string str01(str_lit01);
  const std::string str02("baker beach, san francisco");

  // basic_string(const string&, size_type pos = 0, siz_type n = npos, alloc)
  csz01 = str01.size();
  try {
    std::string str03(str01, csz01 + 1);
    VERIFY( false );
  }		 
  catch(std::out_of_range& fail) {
    VERIFY( true );
  }
  catch(...) {
    VERIFY( false );
  }

  try {
    std::string str03(str01, csz01);
    VERIFY( str03.size() == 0 );
    VERIFY( str03.size() <= str03.capacity() );
  }		 
  catch(...) {
    VERIFY( false );
  }

  // basic_string(const char* s, size_type n, alloc)
  csz01 = str01.max_size();
  // NB: As strlen(str_lit01) != csz01, this test is undefined. It
  // should not crash, but what gets constructed is a bit arbitrary.
  try {
    std::string str03(str_lit01, csz01 + 1);
    VERIFY( true );
  }		 
  catch(std::length_error& fail) {
    VERIFY( true );
  }
  catch(...) {
    VERIFY( false );
  }

  // NB: As strlen(str_lit01) != csz01, this test is undefined. It
  // should not crash, but what gets constructed is a bit arbitrary.
  // The "maverick's" of all string objects.
  try {
    std::string str04(str_lit01, npos); 
    VERIFY( true );
  }		 
  catch(std::length_error& fail) {
    VERIFY( true );
  }
  catch(...) {
    VERIFY( false );
  }

  // Build a maxsize - 1 lengthed string consisting of all A's
  try {
    std::string str03(csz01 - 1, 'A');
    VERIFY( str03.size() == csz01 - 1 );
    VERIFY( str03.size() <= str03.capacity() );
  }		 
  // NB: bad_alloc is regrettable but entirely kosher for
  // out-of-memory situations.
  catch(std::bad_alloc& fail) {
    VERIFY( true );
  }
  catch(...) {
    VERIFY( false );
  }

  // basic_string(const char* s, const allocator& a = allocator())
  std::string str04(str_lit01);
  VERIFY( str01 == str04 );


  // basic_string(size_type n, char c, const allocator& a = allocator())
  csz01 = str01.max_size();
  try {
    std::string str03(csz01 + 1, 'z');
    VERIFY( false );
  }		 
  catch(std::length_error& fail) {
    VERIFY( true );
  }
  catch(...) {
    VERIFY( false );
  }

  try {
    std::string str04(npos, 'b'); // the "maverick's" of all string objects.
    VERIFY( false );
  }		 
  catch(std::length_error& fail) {
    VERIFY( true );
  }
  catch(...) {
    VERIFY( false );
  }

  try {
    std::string str03(csz01 - 1, 'z');
    VERIFY( str03.size() != 0 );
    VERIFY( str03.size() <= str03.capacity() );
  }		 
  // NB: bad_alloc is regrettable but entirely kosher for
  // out-of-memory situations.
  catch(std::bad_alloc& fail) {
    VERIFY( true );
  }
  catch(...) {
    VERIFY( false );
  }


  // template<typename _InputIter>
  //   basic_string(_InputIter begin, _InputIter end, const allocator& a)
  std::string str06(str01.begin(), str01.end());
  VERIFY( str06 == str01 );
}

void test02()
{
  bool test = true;

  // template<typename _InputIter>
  //   basic_string(_InputIter begin, _InputIter end, const allocator& a)
  // where _InputIter is integral [21.3.1 para 15]
  std::string s(10,0);
  VERIFY( s.size() == 10 );
}

void test03()
{
  bool test = true;
  const char* with_nulls = "This contains \0 a zero byte.";

  // These are tests to see how basic_string handles data with NUL
  // bytes.  Obviously basic_string(char*) will halt at the first one, but
  // nothing else should.
  std::string s1 (with_nulls, 28);
  VERIFY( s1.size() == 28 );
  std::string s2 (s1);
  VERIFY( s2.size() == 28 );

  // Not defined, but libstdc++ throws an exception.
  const char* bogus = 0;
  try 
    {
      std::string str1(bogus);
      VERIFY( false );
    }		 
  catch(std::exception& fail) 
    {
      VERIFY( true );
    }

  // Not defined, but libstdc++ throws an exception.
  try 
    {
      std::string str2(bogus, 5);
      VERIFY( false );
    }		 
  catch(std::exception& fail) 
    {
      VERIFY( true );
    }
}

// http://gcc.gnu.org/ml/libstdc++/2002-06/msg00025.html
void test04()
{
  bool test = true;

  std::string str01("portofino");

  std::string::reverse_iterator i1 = str01.rbegin();
  std::string::reverse_iterator i2 = str01.rend();
  std::string str02(i1, i2);
  VERIFY( str02 == "onifotrop" );
}

// libstdc++/8347
void test05()
{
  bool test = true;

  std::vector<char> empty;
  std::string empty2(empty.begin(), empty.end());

  // libstdc++/8716 (same underlying situation, same fix)
  char const * s = NULL;
  std::string zero_length_built_with_NULL(s,0);
}

int main()
{ 
  __gnu_cxx_test::set_memory_limits();
  test01();
  test02();
  test03();
  test04();
  test05();
  return 0;
}