1// 1999-05-11 bkoz
2
3// Copyright (C) 1999, 2002, 2003, 2004, 2009 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// 21.3.3 string capacity
21
22#include <string>
23#include <testsuite_hooks.h>
24
25void test01()
26{
27  // POD types : resize, capacity, reserve
28  bool test __attribute__((unused)) = true;
29  std::wstring str01;
30  typedef std::wstring::size_type size_type_s;
31
32  size_type_s sz01 = str01.capacity();
33  str01.reserve(100);
34  size_type_s sz02 = str01.capacity();
35  VERIFY( sz02 >= sz01 );
36  VERIFY( sz02 >= 100 );
37  str01.reserve();
38  sz01 = str01.capacity();
39  VERIFY( sz01 == 0 );
40
41  sz01 = str01.size() + 5;
42  str01.resize(sz01);
43  sz02 = str01.size();
44  VERIFY( sz01 == sz02 );
45
46  sz01 = str01.size() - 5;
47  str01.resize(sz01);
48  sz02 = str01.size();
49  VERIFY( sz01 == sz02 );
50
51  std::wstring str05(30, L'q');
52  std::wstring str06 = str05;
53  str05 = str06 + str05;
54  VERIFY( str05.capacity() >= str05.size() );
55  VERIFY( str06.capacity() >= str06.size() );
56
57  // POD types: size, length, max_size, clear(), empty()
58  bool b01;
59  std::wstring str011;
60  b01 = str01.empty();
61  VERIFY( b01 == true );
62  sz01 = str01.size();
63  sz02 = str01.length();
64  VERIFY( sz01 == sz02 );
65  str01.c_str();
66  sz01 = str01.size();
67  sz02 = str01.length();
68  VERIFY( sz01 == sz02 );
69
70  sz01 = str01.length();
71  str01.c_str();
72  str011 = str01 +  L"_addendum_";
73  str01.c_str();
74  sz02 = str01.length();
75  VERIFY( sz01 == sz02 );
76  sz02 = str011.length();
77  VERIFY( sz02 > sz01 );
78
79  // trickster allocator issues involved with these:
80  std::wstring str3 = L"8-chars_8-chars_";
81  std::wstring str4 = str3 + L"7-chars";
82
83  sz01 = str01.size();
84  sz02 = str01.max_size();
85  VERIFY( sz02 >= sz01 );
86
87  sz01 = str01.size();
88  str01.clear();
89  b01 = str01.empty();
90  VERIFY( b01 == true );
91  sz02 = str01.size();
92  VERIFY( sz01 >= sz02 );
93}
94
95int main()
96{
97  test01();
98  return 0;
99}
100