1// 980930 bkoz work with libstdc++v3
2
3// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
4// 2006, 2007, 2009
5// Free Software Foundation, Inc.
6//
7// This file is part of the GNU ISO C++ Library.  This library is free
8// software; you can redistribute it and/or modify it under the
9// terms of the GNU General Public License as published by the
10// Free Software Foundation; either version 3, or (at your option)
11// any later version.
12
13// This library is distributed in the hope that it will be useful,
14// but WITHOUT ANY WARRANTY; without even the implied warranty of
15// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16// GNU General Public License for more details.
17
18// You should have received a copy of the GNU General Public License along
19// with this library; see the file COPYING3.  If not see
20// <http://www.gnu.org/licenses/>.
21
22// 21.3.6.8 basic_string::compare
23// int compare(const basic_string& str) const;
24// int compare(size_type pos1, size_type n1, const basic_string& str) const;
25// int compare(size_type pos1, size_type n1, const basic_string& str,
26//             size_type pos2, size_type n2) const;
27// int compare(const charT* s) const;
28// int compare(size_type pos1, size_type n1,
29//             const charT* s, size_type n2 = npos) const;
30
31// NB compare should be thought of as a lexographical compare, ie how
32// things would be sorted in a dictionary.
33
34#include <string>
35#include <cstring>
36#include <testsuite_hooks.h>
37
38enum want_value {lt=0, z=1, gt=2};
39
40int
41test_value(int result, want_value expected);
42
43int
44test_value(int result, want_value expected)
45{
46  bool test __attribute__((unused)) = true;
47  bool pass = false;
48
49  switch (expected) {
50  case lt:
51    if (result < 0)
52      pass = true;
53    break;
54  case z:
55    if (!result)
56      pass = true;
57    break;
58  case gt:
59    if (result > 0)
60      pass = true;
61    break;
62  default:
63    pass = false; //should not get here
64  }
65  VERIFY(pass);
66  return 0;
67}
68
69
70int
71test01()
72{
73  using namespace std;
74
75  string 	str_0("costa rica");
76  string 	str_1("costa marbella");
77  string 	str_2;
78
79  //sanity check
80  test_value(strcmp("costa marbella", "costa rica"), lt);
81  test_value(strcmp("costa rica", "costa rica"), z);
82  test_value(strcmp(str_1.data(), str_0.data()), lt);
83  test_value(strcmp(str_0.data(), str_1.data()), gt);
84  test_value(strncmp(str_1.data(), str_0.data(), 6), z);
85  test_value(strncmp(str_1.data(), str_0.data(), 14), lt);
86  test_value(memcmp(str_1.data(), str_0.data(), 6), z);
87  test_value(memcmp(str_1.data(), str_0.data(), 14), lt);
88  test_value(memcmp("costa marbella", "costa rica", 14), lt);
89
90  // int compare(const basic_string& str) const;
91  test_value(str_0.compare(str_1), gt); //because r>m
92  test_value(str_1.compare(str_0), lt); //because m<r
93  str_2 = str_0;
94  test_value(str_2.compare(str_0), z);
95  str_2 = "cost";
96  test_value(str_2.compare(str_0), lt);
97  str_2 = "costa ricans";
98  test_value(str_2.compare(str_0), gt);
99
100  // int compare(size_type pos1, size_type n1, const basic_string& str) const;
101  test_value(str_1.compare(0, 6, str_0), lt);
102  str_2 = "cost";
103  test_value(str_1.compare(0, 4, str_2), z);
104  test_value(str_1.compare(0, 5, str_2), gt);
105
106  // int compare(size_type pos1, size_type n1, const basic_string& str,
107  //		 size_type pos2, size_type n2) const;
108  test_value(str_1.compare(0, 6, str_0, 0, 6), z);
109  test_value(str_1.compare(0, 7, str_0, 0, 7), lt);
110  test_value(str_0.compare(0, 7, str_1, 0, 7), gt);
111
112  // int compare(const charT* s) const;
113  test_value(str_0.compare("costa marbella"), gt);
114  test_value(str_1.compare("costa rica"), lt);
115  str_2 = str_0;
116  test_value(str_2.compare("costa rica"), z);
117  test_value(str_2.compare("cost"), gt);
118  test_value(str_2.compare("costa ricans"), lt);
119
120  // int compare(size_type pos, size_type n1, const charT* str,
121  //             size_type n2 = npos) const;
122  test_value(str_1.compare(0, 6, "costa rica", 0, 6), z);
123  test_value(str_1.compare(0, 7, "costa rica", 0, 7), lt);
124  test_value(str_0.compare(0, 7, "costa marbella", 0, 7), gt);
125
126  return 0;
127}
128
129
130int
131main()
132{
133  test01();
134  return 0;
135}
136