libstdc++-v3/testsuite/21_strings/ctor_copy_dtor.cc

   1 // 1999-06-04 bkoz
   2
   3 // Copyright (C) 1999, 2000 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 2, 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 COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // 21.3.1 basic_string constructors.
  22
  23 #include <new>
  24 #include <string>
  25 #include <stdexcept>
  26 #include <debug_assert.h>
  27
  28 int test01(void)
  29 {
  30   bool test = true;
  31   typedef std::string::size_type csize_type;
  32   typedef std::string::iterator citerator;
  33   csize_type npos = std::string::npos;
  34   csize_type csz01, csz02;
  35
  36   const char str_lit01[] = "rodeo beach, marin";
  37   const std::string str01(str_lit01);
  38   const std::string str02("baker beach, san francisco");
  39
  40   // basic_string(const string&, size_type pos = 0, siz_type n = npos, alloc)
  41   csz01 = str01.size();
  42   try {
  43     std::string str03(str01, csz01 + 1);
  44     VERIFY( false );
  45   }
  46   catch(std::out_of_range& fail) {
  47     VERIFY( true );
  48   }
  49   catch(...) {
  50     VERIFY( false );
  51   }
  52
  53   try {
  54     std::string str03(str01, csz01);
  55     VERIFY( str03.size() == 0 );
  56     VERIFY( str03.size() <= str03.capacity() );
  57   }
  58   catch(...) {
  59     VERIFY( false );
  60   }
  61
  62 #if 0
  63   // XXX These tests have been temporarily disabled.
  64   //http://gcc.gnu.org/ml/libstdc++/2000-10/msg00033.html
  65   // basic_string(const char* s, size_type n, alloc)
  66   csz01 = str01.max_size();
  67   // NB: As strlen(str_lit01) != csz01, this test is undefined. It
  68   // should not crash, but what gets constructed is a bit arbitrary.
  69   try {
  70     std::string str03(str_lit01, csz01 + 1);
  71     VERIFY( true );
  72   }
  73   catch(std::length_error& fail) {
  74     VERIFY( true );
  75   }
  76   catch(...) {
  77     VERIFY( false );
  78   }
  79
  80   // NB: As strlen(str_lit01) != csz01, this test is undefined. It
  81   // should not crash, but what gets constructed is a bit arbitrary.
  82   // The "maverick's" of all string objects.
  83   try {
  84     std::string str04(str_lit01, npos);
  85     VERIFY( true );
  86   }
  87   catch(std::length_error& fail) {
  88     VERIFY( true );
  89   }
  90   catch(...) {
  91     VERIFY( false );
  92   }
  93
  94   // Build a maxsize - 1 lengthed string consisting of all A's
  95   try {
  96     std::string str03(csz01 - 1, 'A');
  97     VERIFY( str03.size() == csz01 - 1 );
  98     VERIFY( str03.size() <= str03.capacity() );
  99   }
 100   // NB: bad_alloc is regrettable but entirely kosher for
 101   // out-of-memory situations.
 102   catch(std::bad_alloc& fail) {
 103     VERIFY( true );
 104   }
 105   catch(...) {
 106     VERIFY( false );
 107   }
 108 #endif
 109
 110   // basic_string(const char* s, const allocator& a = allocator())
 111   std::string str04(str_lit01);
 112   VERIFY( str01 == str04 );
 113
 114
 115   // basic_string(size_type n, char c, const allocator& a = allocator())
 116   csz01 = str01.max_size();
 117   try {
 118     std::string str03(csz01 + 1, 'z');
 119     VERIFY( false );
 120   }
 121   catch(std::length_error& fail) {
 122     VERIFY( true );
 123   }
 124   catch(...) {
 125     VERIFY( false );
 126   }
 127
 128   try {
 129     std::string str04(npos, 'b'); // the "maverick's" of all string objects.
 130     VERIFY( false );
 131   }
 132   catch(std::length_error& fail) {
 133     VERIFY( true );
 134   }
 135   catch(...) {
 136     VERIFY( false );
 137   }
 138
 139   try {
 140     std::string str03(csz01 - 1, 'z');
 141     VERIFY( str03.size() != 0 );
 142     VERIFY( str03.size() <= str03.capacity() );
 143   }
 144   // NB: bad_alloc is regrettable but entirely kosher for
 145   // out-of-memory situations.
 146   catch(std::bad_alloc& fail) {
 147     VERIFY( true );
 148   }
 149   catch(...) {
 150     VERIFY( false );
 151   }
 152
 153
 154   // template<typename _InputIter>
 155   //   basic_string(_InputIter begin, _InputIter end, const allocator& a)
 156   std::string str06(str01.begin(), str01.end());
 157   VERIFY( str06 == str01 );
 158
 159 #ifdef DEBUG_ASSERT
 160   assert(test);
 161 #endif
 162   return test;
 163 }
 164
 165 void test02()
 166 {
 167   bool test = true;
 168
 169   // template<typename _InputIter>
 170   //   basic_string(_InputIter begin, _InputIter end, const allocator& a)
 171   // where _InputIter is integral [21.3.1 para 15]
 172   std::string s(10,0);
 173   VERIFY( s.size() == 10 );
 174 #ifdef DEBUG_ASSERT
 175   assert(test);
 176 #endif
 177 }
 178
 179 int main()
 180 {
 181   test01();
 182   test02();
 183   return 0;
 184 }