1// 980930 bkoz work with libstdc++v3
2
3// Copyright (C) 1998-2015 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// 21.3.6.8 basic_string::compare
21// int compare(const basic_string& str) const;
22// int compare(size_type pos1, size_type n1, const basic_string& str) const;
23// int compare(size_type pos1, size_type n1, const basic_string& str,
24//             size_type pos2, size_type n2) const;
25// int compare(const charT* s) const;
26// int compare(size_type pos1, size_type n1,
27//             const charT* s, size_type n2 = npos) const;
28
29// NB compare should be thought of as a lexographical compare, ie how
30// things would be sorted in a dictionary.
31
32#include <string>
33#include <cstring>
34#include <testsuite_hooks.h>
35
36enum want_value {lt=0, z=1, gt=2};
37
38int
39test_value(int result, want_value expected);
40
41int
42test_value(int result, want_value expected)
43{
44  bool test __attribute__((unused)) = true;
45  bool pass = false;
46
47  switch (expected) {
48  case lt:
49    if (result < 0)
50      pass = true;
51    break;
52  case z:
53    if (!result)
54      pass = true;
55    break;
56  case gt:
57    if (result > 0)
58      pass = true;
59    break;
60  default:
61    pass = false; //should not get here
62  }
63  VERIFY(pass);
64  return 0;
65}
66
67
68int
69test01()
70{
71  using namespace std;
72
73  string 	str_0("costa rica");
74  string 	str_1("costa marbella");
75  string 	str_2;
76
77  //sanity check
78  test_value(strcmp("costa marbella", "costa rica"), lt);
79  test_value(strcmp("costa rica", "costa rica"), z);
80  test_value(strcmp(str_1.data(), str_0.data()), lt);
81  test_value(strcmp(str_0.data(), str_1.data()), gt);
82  test_value(strncmp(str_1.data(), str_0.data(), 6), z);
83  test_value(strncmp(str_1.data(), str_0.data(), 14), lt);
84  test_value(memcmp(str_1.data(), str_0.data(), 6), z);
85  test_value(memcmp(str_1.data(), str_0.data(), 14), lt);
86  test_value(memcmp("costa marbella", "costa rica", 14), lt);
87
88  // int compare(const basic_string& str) const;
89  test_value(str_0.compare(str_1), gt); //because r>m
90  test_value(str_1.compare(str_0), lt); //because m<r
91  str_2 = str_0;
92  test_value(str_2.compare(str_0), z);
93  str_2 = "cost";
94  test_value(str_2.compare(str_0), lt);
95  str_2 = "costa ricans";
96  test_value(str_2.compare(str_0), gt);
97
98  // int compare(size_type pos1, size_type n1, const basic_string& str) const;
99  test_value(str_1.compare(0, 6, str_0), lt);
100  str_2 = "cost";
101  test_value(str_1.compare(0, 4, str_2), z);
102  test_value(str_1.compare(0, 5, str_2), gt);
103
104  // int compare(size_type pos1, size_type n1, const basic_string& str,
105  //		 size_type pos2, size_type n2) const;
106  test_value(str_1.compare(0, 6, str_0, 0, 6), z);
107  test_value(str_1.compare(0, 7, str_0, 0, 7), lt);
108  test_value(str_0.compare(0, 7, str_1, 0, 7), gt);
109
110  // int compare(const charT* s) const;
111  test_value(str_0.compare("costa marbella"), gt);
112  test_value(str_1.compare("costa rica"), lt);
113  str_2 = str_0;
114  test_value(str_2.compare("costa rica"), z);
115  test_value(str_2.compare("cost"), gt);
116  test_value(str_2.compare("costa ricans"), lt);
117
118  // int compare(size_type pos, size_type n1, const charT* str,
119  //             size_type n2 = npos) const;
120  test_value(str_1.compare(0, 6, "costa rica", 0, 6), z);
121  test_value(str_1.compare(0, 7, "costa rica", 0, 7), lt);
122  test_value(str_0.compare(0, 7, "costa marbella", 0, 7), gt);
123
124  return 0;
125}
126
127
128int
129main()
130{
131  test01();
132  return 0;
133}
134