xref: /openbsd-src/gnu/lib/libstdc++/libstdc++/testsuite/27_io/ostream_manip.cc (revision 03a78d155d6fff5698289342b62759a75b20d130)
1 // 1999-07-22 bkoz
2 
3 // Copyright (C) 1994, 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 // 27.6.2.7 standard basic_ostream manipulators
22 
23 #include <ostream>
24 #include <sstream>
25 #include <stdexcept>
26 #include <testsuite_hooks.h>
27 
test01(void)28 bool test01(void)
29 {
30   bool test = true;
31 
32   const char str_lit01[] = "  venice ";
33   const std::string str01(" santa barbara ");
34   std::string str02(str_lit01);
35   std::string str04;
36   std::string str05;
37   std::ios_base::iostate flag1, flag2, flag3, flag4, flag5;
38 
39   // template<_CharT, _Traits>
40   //  basic_ostream<_CharT, _Traits>& endl(basic_ostream<_Char, _Traits>& os)
41   std::ostringstream oss01(str01);
42   std::ostringstream oss02;
43   std::ostringstream::int_type i01, i02;
44   typedef std::ostringstream::traits_type traits_type;
45 
46   oss01 << std::endl;
47   str04 = oss01.str();
48   VERIFY( str04.size() == str01.size() );
49 
50   oss02 << std::endl;
51   str05 = oss02.str();
52   VERIFY( str05.size() == 1 );
53 
54   // template<_CharT, _Traits>
55   //  basic_ostream<_CharT, _Traits>& ends(basic_ostream<_Char, _Traits>& os)
56   oss01 << std::ends;
57   str04 = oss01.str();
58   VERIFY( str04.size() == str01.size() );
59   VERIFY( str04[1] == char() );
60 
61   oss02 << std::ends;
62   str05 = oss02.str();
63   VERIFY( str05.size() == 2 );
64   VERIFY( str05[1] == char() );
65 
66   // template<_CharT, _Traits>
67   //  basic_ostream<_CharT, _Traits>& flush(basic_ostream<_Char, _Traits>& os)
68   oss01.flush();
69   str04 = oss01.str();
70   VERIFY( str04.size() == str01.size() );
71 
72   oss02.flush();
73   str05 = oss02.str();
74   VERIFY( str05.size() == 2 );
75 
76 #ifdef DEBUG_ASSERT
77   assert(test);
78 #endif
79   return test;
80 }
81 
82 
83 // based vaguely on this:
84 // http://gcc.gnu.org/ml/libstdc++/2000-q2/msg00109.html
test02()85 bool test02()
86 {
87   using namespace std;
88   typedef ostringstream::int_type int_type;
89 
90   bool test = true;
91   ostringstream osst_01;
92   const string str_00("herbie_hancock");
93   int_type len1 = str_00.size();
94   osst_01 << str_00;
95   VERIFY( osst_01.str().size() == len1 );
96 
97   osst_01 << ends;
98 
99   const string str_01("speak like a child");
100   int_type len2 = str_01.size();
101   osst_01 << str_01;
102   int_type len3 = osst_01.str().size();
103   VERIFY( len1 < len3 );
104   VERIFY( len3 == len1 + len2 + 1 );
105 
106   osst_01 << ends;
107 
108   const string str_02("+ inventions and dimensions");
109   int_type len4 = str_02.size();
110   osst_01 << str_02;
111   int_type len5 = osst_01.str().size();
112   VERIFY( len3 < len5 );
113   VERIFY( len5 == len3 + len4 + 1 );
114 
115 #ifdef DEBUG_ASSERT
116   assert(test);
117 #endif
118   return test;
119 }
120 
main()121 int main()
122 {
123   test01();
124   test02();
125   return 0;
126 }
127