1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: !stdlib=libc++ && (c++03 || c++11 || c++14)
10
11// <string_view>
12
13// constexpr int compare(size_type pos1, size_type n1, basic_string_view str) const;
14
15#include <string_view>
16#include <cassert>
17#include <stdexcept>
18
19#include "test_macros.h"
20#include "constexpr_char_traits.h"
21
22int sign(int x) { return x > 0 ? 1 : (x < 0 ? -1 : 0); }
23
24template <typename CharT>
25void test1(
26 std::basic_string_view<CharT> sv1, std::size_t pos1, size_t n1, std::basic_string_view<CharT> sv2, int expected) {
27#ifdef TEST_HAS_NO_EXCEPTIONS
28 if (pos1 <= sv1.size())
29 assert(sign(sv1.compare(pos1, n1, sv2)) == sign(expected));
30#else
31 try {
32 assert(sign(sv1.compare(pos1, n1, sv2)) == sign(expected));
33 assert(pos1 <= sv1.size());
34 } catch (const std::out_of_range&) {
35 assert(pos1 > sv1.size());
36 }
37#endif
38}
39
40template <typename CharT>
41void test(const CharT* s1, std::size_t pos1, size_t n1, const CharT* s2, int expected) {
42 typedef std::basic_string_view<CharT> string_view_t;
43 string_view_t sv1(s1);
44 string_view_t sv2(s2);
45 test1(sv1, pos1, n1, sv2, expected);
46}
47
48void test0() {
49 test(s1: "", pos1: 0, n1: 0, s2: "", expected: 0);
50 test(s1: "", pos1: 0, n1: 0, s2: "abcde", expected: -5);
51 test(s1: "", pos1: 0, n1: 0, s2: "abcdefghij", expected: -10);
52 test(s1: "", pos1: 0, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
53 test(s1: "", pos1: 0, n1: 1, s2: "", expected: 0);
54 test(s1: "", pos1: 0, n1: 1, s2: "abcde", expected: -5);
55 test(s1: "", pos1: 0, n1: 1, s2: "abcdefghij", expected: -10);
56 test(s1: "", pos1: 0, n1: 1, s2: "abcdefghijklmnopqrst", expected: -20);
57 test(s1: "", pos1: 1, n1: 0, s2: "", expected: 0);
58 test(s1: "", pos1: 1, n1: 0, s2: "abcde", expected: 0);
59 test(s1: "", pos1: 1, n1: 0, s2: "abcdefghij", expected: 0);
60 test(s1: "", pos1: 1, n1: 0, s2: "abcdefghijklmnopqrst", expected: 0);
61 test(s1: "abcde", pos1: 0, n1: 0, s2: "", expected: 0);
62 test(s1: "abcde", pos1: 0, n1: 0, s2: "abcde", expected: -5);
63 test(s1: "abcde", pos1: 0, n1: 0, s2: "abcdefghij", expected: -10);
64 test(s1: "abcde", pos1: 0, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
65 test(s1: "abcde", pos1: 0, n1: 1, s2: "", expected: 1);
66 test(s1: "abcde", pos1: 0, n1: 1, s2: "abcde", expected: -4);
67 test(s1: "abcde", pos1: 0, n1: 1, s2: "abcdefghij", expected: -9);
68 test(s1: "abcde", pos1: 0, n1: 1, s2: "abcdefghijklmnopqrst", expected: -19);
69 test(s1: "abcde", pos1: 0, n1: 2, s2: "", expected: 2);
70 test(s1: "abcde", pos1: 0, n1: 2, s2: "abcde", expected: -3);
71 test(s1: "abcde", pos1: 0, n1: 2, s2: "abcdefghij", expected: -8);
72 test(s1: "abcde", pos1: 0, n1: 2, s2: "abcdefghijklmnopqrst", expected: -18);
73 test(s1: "abcde", pos1: 0, n1: 4, s2: "", expected: 4);
74 test(s1: "abcde", pos1: 0, n1: 4, s2: "abcde", expected: -1);
75 test(s1: "abcde", pos1: 0, n1: 4, s2: "abcdefghij", expected: -6);
76 test(s1: "abcde", pos1: 0, n1: 4, s2: "abcdefghijklmnopqrst", expected: -16);
77 test(s1: "abcde", pos1: 0, n1: 5, s2: "", expected: 5);
78 test(s1: "abcde", pos1: 0, n1: 5, s2: "abcde", expected: 0);
79 test(s1: "abcde", pos1: 0, n1: 5, s2: "abcdefghij", expected: -5);
80 test(s1: "abcde", pos1: 0, n1: 5, s2: "abcdefghijklmnopqrst", expected: -15);
81 test(s1: "abcde", pos1: 0, n1: 6, s2: "", expected: 5);
82 test(s1: "abcde", pos1: 0, n1: 6, s2: "abcde", expected: 0);
83 test(s1: "abcde", pos1: 0, n1: 6, s2: "abcdefghij", expected: -5);
84 test(s1: "abcde", pos1: 0, n1: 6, s2: "abcdefghijklmnopqrst", expected: -15);
85 test(s1: "abcde", pos1: 1, n1: 0, s2: "", expected: 0);
86 test(s1: "abcde", pos1: 1, n1: 0, s2: "abcde", expected: -5);
87 test(s1: "abcde", pos1: 1, n1: 0, s2: "abcdefghij", expected: -10);
88 test(s1: "abcde", pos1: 1, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
89 test(s1: "abcde", pos1: 1, n1: 1, s2: "", expected: 1);
90 test(s1: "abcde", pos1: 1, n1: 1, s2: "abcde", expected: 1);
91 test(s1: "abcde", pos1: 1, n1: 1, s2: "abcdefghij", expected: 1);
92 test(s1: "abcde", pos1: 1, n1: 1, s2: "abcdefghijklmnopqrst", expected: 1);
93 test(s1: "abcde", pos1: 1, n1: 2, s2: "", expected: 2);
94 test(s1: "abcde", pos1: 1, n1: 2, s2: "abcde", expected: 1);
95 test(s1: "abcde", pos1: 1, n1: 2, s2: "abcdefghij", expected: 1);
96 test(s1: "abcde", pos1: 1, n1: 2, s2: "abcdefghijklmnopqrst", expected: 1);
97 test(s1: "abcde", pos1: 1, n1: 3, s2: "", expected: 3);
98 test(s1: "abcde", pos1: 1, n1: 3, s2: "abcde", expected: 1);
99 test(s1: "abcde", pos1: 1, n1: 3, s2: "abcdefghij", expected: 1);
100 test(s1: "abcde", pos1: 1, n1: 3, s2: "abcdefghijklmnopqrst", expected: 1);
101 test(s1: "abcde", pos1: 1, n1: 4, s2: "", expected: 4);
102 test(s1: "abcde", pos1: 1, n1: 4, s2: "abcde", expected: 1);
103 test(s1: "abcde", pos1: 1, n1: 4, s2: "abcdefghij", expected: 1);
104 test(s1: "abcde", pos1: 1, n1: 4, s2: "abcdefghijklmnopqrst", expected: 1);
105 test(s1: "abcde", pos1: 1, n1: 5, s2: "", expected: 4);
106 test(s1: "abcde", pos1: 1, n1: 5, s2: "abcde", expected: 1);
107 test(s1: "abcde", pos1: 1, n1: 5, s2: "abcdefghij", expected: 1);
108 test(s1: "abcde", pos1: 1, n1: 5, s2: "abcdefghijklmnopqrst", expected: 1);
109 test(s1: "abcde", pos1: 2, n1: 0, s2: "", expected: 0);
110 test(s1: "abcde", pos1: 2, n1: 0, s2: "abcde", expected: -5);
111 test(s1: "abcde", pos1: 2, n1: 0, s2: "abcdefghij", expected: -10);
112 test(s1: "abcde", pos1: 2, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
113 test(s1: "abcde", pos1: 2, n1: 1, s2: "", expected: 1);
114 test(s1: "abcde", pos1: 2, n1: 1, s2: "abcde", expected: 2);
115 test(s1: "abcde", pos1: 2, n1: 1, s2: "abcdefghij", expected: 2);
116 test(s1: "abcde", pos1: 2, n1: 1, s2: "abcdefghijklmnopqrst", expected: 2);
117 test(s1: "abcde", pos1: 2, n1: 2, s2: "", expected: 2);
118 test(s1: "abcde", pos1: 2, n1: 2, s2: "abcde", expected: 2);
119 test(s1: "abcde", pos1: 2, n1: 2, s2: "abcdefghij", expected: 2);
120 test(s1: "abcde", pos1: 2, n1: 2, s2: "abcdefghijklmnopqrst", expected: 2);
121 test(s1: "abcde", pos1: 2, n1: 3, s2: "", expected: 3);
122 test(s1: "abcde", pos1: 2, n1: 3, s2: "abcde", expected: 2);
123 test(s1: "abcde", pos1: 2, n1: 3, s2: "abcdefghij", expected: 2);
124 test(s1: "abcde", pos1: 2, n1: 3, s2: "abcdefghijklmnopqrst", expected: 2);
125 test(s1: "abcde", pos1: 2, n1: 4, s2: "", expected: 3);
126 test(s1: "abcde", pos1: 2, n1: 4, s2: "abcde", expected: 2);
127 test(s1: "abcde", pos1: 2, n1: 4, s2: "abcdefghij", expected: 2);
128 test(s1: "abcde", pos1: 2, n1: 4, s2: "abcdefghijklmnopqrst", expected: 2);
129 test(s1: "abcde", pos1: 4, n1: 0, s2: "", expected: 0);
130 test(s1: "abcde", pos1: 4, n1: 0, s2: "abcde", expected: -5);
131 test(s1: "abcde", pos1: 4, n1: 0, s2: "abcdefghij", expected: -10);
132 test(s1: "abcde", pos1: 4, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
133 test(s1: "abcde", pos1: 4, n1: 1, s2: "", expected: 1);
134 test(s1: "abcde", pos1: 4, n1: 1, s2: "abcde", expected: 4);
135 test(s1: "abcde", pos1: 4, n1: 1, s2: "abcdefghij", expected: 4);
136 test(s1: "abcde", pos1: 4, n1: 1, s2: "abcdefghijklmnopqrst", expected: 4);
137 test(s1: "abcde", pos1: 4, n1: 2, s2: "", expected: 1);
138 test(s1: "abcde", pos1: 4, n1: 2, s2: "abcde", expected: 4);
139 test(s1: "abcde", pos1: 4, n1: 2, s2: "abcdefghij", expected: 4);
140 test(s1: "abcde", pos1: 4, n1: 2, s2: "abcdefghijklmnopqrst", expected: 4);
141 test(s1: "abcde", pos1: 5, n1: 0, s2: "", expected: 0);
142 test(s1: "abcde", pos1: 5, n1: 0, s2: "abcde", expected: -5);
143 test(s1: "abcde", pos1: 5, n1: 0, s2: "abcdefghij", expected: -10);
144 test(s1: "abcde", pos1: 5, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
145 test(s1: "abcde", pos1: 5, n1: 1, s2: "", expected: 0);
146 test(s1: "abcde", pos1: 5, n1: 1, s2: "abcde", expected: -5);
147 test(s1: "abcde", pos1: 5, n1: 1, s2: "abcdefghij", expected: -10);
148 test(s1: "abcde", pos1: 5, n1: 1, s2: "abcdefghijklmnopqrst", expected: -20);
149}
150
151void test1() {
152 test(s1: "abcde", pos1: 6, n1: 0, s2: "", expected: 0);
153 test(s1: "abcde", pos1: 6, n1: 0, s2: "abcde", expected: 0);
154 test(s1: "abcde", pos1: 6, n1: 0, s2: "abcdefghij", expected: 0);
155 test(s1: "abcde", pos1: 6, n1: 0, s2: "abcdefghijklmnopqrst", expected: 0);
156 test(s1: "abcdefghij", pos1: 0, n1: 0, s2: "", expected: 0);
157 test(s1: "abcdefghij", pos1: 0, n1: 0, s2: "abcde", expected: -5);
158 test(s1: "abcdefghij", pos1: 0, n1: 0, s2: "abcdefghij", expected: -10);
159 test(s1: "abcdefghij", pos1: 0, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
160 test(s1: "abcdefghij", pos1: 0, n1: 1, s2: "", expected: 1);
161 test(s1: "abcdefghij", pos1: 0, n1: 1, s2: "abcde", expected: -4);
162 test(s1: "abcdefghij", pos1: 0, n1: 1, s2: "abcdefghij", expected: -9);
163 test(s1: "abcdefghij", pos1: 0, n1: 1, s2: "abcdefghijklmnopqrst", expected: -19);
164 test(s1: "abcdefghij", pos1: 0, n1: 5, s2: "", expected: 5);
165 test(s1: "abcdefghij", pos1: 0, n1: 5, s2: "abcde", expected: 0);
166 test(s1: "abcdefghij", pos1: 0, n1: 5, s2: "abcdefghij", expected: -5);
167 test(s1: "abcdefghij", pos1: 0, n1: 5, s2: "abcdefghijklmnopqrst", expected: -15);
168 test(s1: "abcdefghij", pos1: 0, n1: 9, s2: "", expected: 9);
169 test(s1: "abcdefghij", pos1: 0, n1: 9, s2: "abcde", expected: 4);
170 test(s1: "abcdefghij", pos1: 0, n1: 9, s2: "abcdefghij", expected: -1);
171 test(s1: "abcdefghij", pos1: 0, n1: 9, s2: "abcdefghijklmnopqrst", expected: -11);
172 test(s1: "abcdefghij", pos1: 0, n1: 10, s2: "", expected: 10);
173 test(s1: "abcdefghij", pos1: 0, n1: 10, s2: "abcde", expected: 5);
174 test(s1: "abcdefghij", pos1: 0, n1: 10, s2: "abcdefghij", expected: 0);
175 test(s1: "abcdefghij", pos1: 0, n1: 10, s2: "abcdefghijklmnopqrst", expected: -10);
176 test(s1: "abcdefghij", pos1: 0, n1: 11, s2: "", expected: 10);
177 test(s1: "abcdefghij", pos1: 0, n1: 11, s2: "abcde", expected: 5);
178 test(s1: "abcdefghij", pos1: 0, n1: 11, s2: "abcdefghij", expected: 0);
179 test(s1: "abcdefghij", pos1: 0, n1: 11, s2: "abcdefghijklmnopqrst", expected: -10);
180 test(s1: "abcdefghij", pos1: 1, n1: 0, s2: "", expected: 0);
181 test(s1: "abcdefghij", pos1: 1, n1: 0, s2: "abcde", expected: -5);
182 test(s1: "abcdefghij", pos1: 1, n1: 0, s2: "abcdefghij", expected: -10);
183 test(s1: "abcdefghij", pos1: 1, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
184 test(s1: "abcdefghij", pos1: 1, n1: 1, s2: "", expected: 1);
185 test(s1: "abcdefghij", pos1: 1, n1: 1, s2: "abcde", expected: 1);
186 test(s1: "abcdefghij", pos1: 1, n1: 1, s2: "abcdefghij", expected: 1);
187 test(s1: "abcdefghij", pos1: 1, n1: 1, s2: "abcdefghijklmnopqrst", expected: 1);
188 test(s1: "abcdefghij", pos1: 1, n1: 4, s2: "", expected: 4);
189 test(s1: "abcdefghij", pos1: 1, n1: 4, s2: "abcde", expected: 1);
190 test(s1: "abcdefghij", pos1: 1, n1: 4, s2: "abcdefghij", expected: 1);
191 test(s1: "abcdefghij", pos1: 1, n1: 4, s2: "abcdefghijklmnopqrst", expected: 1);
192 test(s1: "abcdefghij", pos1: 1, n1: 8, s2: "", expected: 8);
193 test(s1: "abcdefghij", pos1: 1, n1: 8, s2: "abcde", expected: 1);
194 test(s1: "abcdefghij", pos1: 1, n1: 8, s2: "abcdefghij", expected: 1);
195 test(s1: "abcdefghij", pos1: 1, n1: 8, s2: "abcdefghijklmnopqrst", expected: 1);
196 test(s1: "abcdefghij", pos1: 1, n1: 9, s2: "", expected: 9);
197 test(s1: "abcdefghij", pos1: 1, n1: 9, s2: "abcde", expected: 1);
198 test(s1: "abcdefghij", pos1: 1, n1: 9, s2: "abcdefghij", expected: 1);
199 test(s1: "abcdefghij", pos1: 1, n1: 9, s2: "abcdefghijklmnopqrst", expected: 1);
200 test(s1: "abcdefghij", pos1: 1, n1: 10, s2: "", expected: 9);
201 test(s1: "abcdefghij", pos1: 1, n1: 10, s2: "abcde", expected: 1);
202 test(s1: "abcdefghij", pos1: 1, n1: 10, s2: "abcdefghij", expected: 1);
203 test(s1: "abcdefghij", pos1: 1, n1: 10, s2: "abcdefghijklmnopqrst", expected: 1);
204 test(s1: "abcdefghij", pos1: 5, n1: 0, s2: "", expected: 0);
205 test(s1: "abcdefghij", pos1: 5, n1: 0, s2: "abcde", expected: -5);
206 test(s1: "abcdefghij", pos1: 5, n1: 0, s2: "abcdefghij", expected: -10);
207 test(s1: "abcdefghij", pos1: 5, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
208 test(s1: "abcdefghij", pos1: 5, n1: 1, s2: "", expected: 1);
209 test(s1: "abcdefghij", pos1: 5, n1: 1, s2: "abcde", expected: 5);
210 test(s1: "abcdefghij", pos1: 5, n1: 1, s2: "abcdefghij", expected: 5);
211 test(s1: "abcdefghij", pos1: 5, n1: 1, s2: "abcdefghijklmnopqrst", expected: 5);
212 test(s1: "abcdefghij", pos1: 5, n1: 2, s2: "", expected: 2);
213 test(s1: "abcdefghij", pos1: 5, n1: 2, s2: "abcde", expected: 5);
214 test(s1: "abcdefghij", pos1: 5, n1: 2, s2: "abcdefghij", expected: 5);
215 test(s1: "abcdefghij", pos1: 5, n1: 2, s2: "abcdefghijklmnopqrst", expected: 5);
216 test(s1: "abcdefghij", pos1: 5, n1: 4, s2: "", expected: 4);
217 test(s1: "abcdefghij", pos1: 5, n1: 4, s2: "abcde", expected: 5);
218 test(s1: "abcdefghij", pos1: 5, n1: 4, s2: "abcdefghij", expected: 5);
219 test(s1: "abcdefghij", pos1: 5, n1: 4, s2: "abcdefghijklmnopqrst", expected: 5);
220 test(s1: "abcdefghij", pos1: 5, n1: 5, s2: "", expected: 5);
221 test(s1: "abcdefghij", pos1: 5, n1: 5, s2: "abcde", expected: 5);
222 test(s1: "abcdefghij", pos1: 5, n1: 5, s2: "abcdefghij", expected: 5);
223 test(s1: "abcdefghij", pos1: 5, n1: 5, s2: "abcdefghijklmnopqrst", expected: 5);
224 test(s1: "abcdefghij", pos1: 5, n1: 6, s2: "", expected: 5);
225 test(s1: "abcdefghij", pos1: 5, n1: 6, s2: "abcde", expected: 5);
226 test(s1: "abcdefghij", pos1: 5, n1: 6, s2: "abcdefghij", expected: 5);
227 test(s1: "abcdefghij", pos1: 5, n1: 6, s2: "abcdefghijklmnopqrst", expected: 5);
228 test(s1: "abcdefghij", pos1: 9, n1: 0, s2: "", expected: 0);
229 test(s1: "abcdefghij", pos1: 9, n1: 0, s2: "abcde", expected: -5);
230 test(s1: "abcdefghij", pos1: 9, n1: 0, s2: "abcdefghij", expected: -10);
231 test(s1: "abcdefghij", pos1: 9, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
232 test(s1: "abcdefghij", pos1: 9, n1: 1, s2: "", expected: 1);
233 test(s1: "abcdefghij", pos1: 9, n1: 1, s2: "abcde", expected: 9);
234 test(s1: "abcdefghij", pos1: 9, n1: 1, s2: "abcdefghij", expected: 9);
235 test(s1: "abcdefghij", pos1: 9, n1: 1, s2: "abcdefghijklmnopqrst", expected: 9);
236 test(s1: "abcdefghij", pos1: 9, n1: 2, s2: "", expected: 1);
237 test(s1: "abcdefghij", pos1: 9, n1: 2, s2: "abcde", expected: 9);
238 test(s1: "abcdefghij", pos1: 9, n1: 2, s2: "abcdefghij", expected: 9);
239 test(s1: "abcdefghij", pos1: 9, n1: 2, s2: "abcdefghijklmnopqrst", expected: 9);
240 test(s1: "abcdefghij", pos1: 10, n1: 0, s2: "", expected: 0);
241 test(s1: "abcdefghij", pos1: 10, n1: 0, s2: "abcde", expected: -5);
242 test(s1: "abcdefghij", pos1: 10, n1: 0, s2: "abcdefghij", expected: -10);
243 test(s1: "abcdefghij", pos1: 10, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
244 test(s1: "abcdefghij", pos1: 10, n1: 1, s2: "", expected: 0);
245 test(s1: "abcdefghij", pos1: 10, n1: 1, s2: "abcde", expected: -5);
246 test(s1: "abcdefghij", pos1: 10, n1: 1, s2: "abcdefghij", expected: -10);
247 test(s1: "abcdefghij", pos1: 10, n1: 1, s2: "abcdefghijklmnopqrst", expected: -20);
248 test(s1: "abcdefghij", pos1: 11, n1: 0, s2: "", expected: 0);
249 test(s1: "abcdefghij", pos1: 11, n1: 0, s2: "abcde", expected: 0);
250 test(s1: "abcdefghij", pos1: 11, n1: 0, s2: "abcdefghij", expected: 0);
251 test(s1: "abcdefghij", pos1: 11, n1: 0, s2: "abcdefghijklmnopqrst", expected: 0);
252}
253
254void test2() {
255 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 0, s2: "", expected: 0);
256 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 0, s2: "abcde", expected: -5);
257 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 0, s2: "abcdefghij", expected: -10);
258 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
259 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 1, s2: "", expected: 1);
260 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 1, s2: "abcde", expected: -4);
261 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 1, s2: "abcdefghij", expected: -9);
262 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 1, s2: "abcdefghijklmnopqrst", expected: -19);
263 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 10, s2: "", expected: 10);
264 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 10, s2: "abcde", expected: 5);
265 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 10, s2: "abcdefghij", expected: 0);
266 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 10, s2: "abcdefghijklmnopqrst", expected: -10);
267 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 19, s2: "", expected: 19);
268 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 19, s2: "abcde", expected: 14);
269 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 19, s2: "abcdefghij", expected: 9);
270 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 19, s2: "abcdefghijklmnopqrst", expected: -1);
271 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 20, s2: "", expected: 20);
272 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 20, s2: "abcde", expected: 15);
273 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 20, s2: "abcdefghij", expected: 10);
274 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 20, s2: "abcdefghijklmnopqrst", expected: 0);
275 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 21, s2: "", expected: 20);
276 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 21, s2: "abcde", expected: 15);
277 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 21, s2: "abcdefghij", expected: 10);
278 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 21, s2: "abcdefghijklmnopqrst", expected: 0);
279 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 0, s2: "", expected: 0);
280 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 0, s2: "abcde", expected: -5);
281 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 0, s2: "abcdefghij", expected: -10);
282 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
283 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 1, s2: "", expected: 1);
284 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 1, s2: "abcde", expected: 1);
285 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 1, s2: "abcdefghij", expected: 1);
286 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 1, s2: "abcdefghijklmnopqrst", expected: 1);
287 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 9, s2: "", expected: 9);
288 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 9, s2: "abcde", expected: 1);
289 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 9, s2: "abcdefghij", expected: 1);
290 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 9, s2: "abcdefghijklmnopqrst", expected: 1);
291 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 18, s2: "", expected: 18);
292 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 18, s2: "abcde", expected: 1);
293 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 18, s2: "abcdefghij", expected: 1);
294 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 18, s2: "abcdefghijklmnopqrst", expected: 1);
295 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 19, s2: "", expected: 19);
296 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 19, s2: "abcde", expected: 1);
297 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 19, s2: "abcdefghij", expected: 1);
298 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 19, s2: "abcdefghijklmnopqrst", expected: 1);
299 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 20, s2: "", expected: 19);
300 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 20, s2: "abcde", expected: 1);
301 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 20, s2: "abcdefghij", expected: 1);
302 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 20, s2: "abcdefghijklmnopqrst", expected: 1);
303 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 0, s2: "", expected: 0);
304 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 0, s2: "abcde", expected: -5);
305 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 0, s2: "abcdefghij", expected: -10);
306 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
307 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 1, s2: "", expected: 1);
308 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 1, s2: "abcde", expected: 10);
309 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 1, s2: "abcdefghij", expected: 10);
310 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 1, s2: "abcdefghijklmnopqrst", expected: 10);
311 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 5, s2: "", expected: 5);
312 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 5, s2: "abcde", expected: 10);
313 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 5, s2: "abcdefghij", expected: 10);
314 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 5, s2: "abcdefghijklmnopqrst", expected: 10);
315 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 9, s2: "", expected: 9);
316 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 9, s2: "abcde", expected: 10);
317 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 9, s2: "abcdefghij", expected: 10);
318 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 9, s2: "abcdefghijklmnopqrst", expected: 10);
319 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 10, s2: "", expected: 10);
320 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 10, s2: "abcde", expected: 10);
321 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 10, s2: "abcdefghij", expected: 10);
322 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 10, s2: "abcdefghijklmnopqrst", expected: 10);
323 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 11, s2: "", expected: 10);
324 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 11, s2: "abcde", expected: 10);
325 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 11, s2: "abcdefghij", expected: 10);
326 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 11, s2: "abcdefghijklmnopqrst", expected: 10);
327 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 0, s2: "", expected: 0);
328 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 0, s2: "abcde", expected: -5);
329 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 0, s2: "abcdefghij", expected: -10);
330 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
331 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 1, s2: "", expected: 1);
332 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 1, s2: "abcde", expected: 19);
333 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 1, s2: "abcdefghij", expected: 19);
334 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 1, s2: "abcdefghijklmnopqrst", expected: 19);
335 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 2, s2: "", expected: 1);
336 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 2, s2: "abcde", expected: 19);
337 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 2, s2: "abcdefghij", expected: 19);
338 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 2, s2: "abcdefghijklmnopqrst", expected: 19);
339 test(s1: "abcdefghijklmnopqrst", pos1: 20, n1: 0, s2: "", expected: 0);
340 test(s1: "abcdefghijklmnopqrst", pos1: 20, n1: 0, s2: "abcde", expected: -5);
341 test(s1: "abcdefghijklmnopqrst", pos1: 20, n1: 0, s2: "abcdefghij", expected: -10);
342 test(s1: "abcdefghijklmnopqrst", pos1: 20, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
343 test(s1: "abcdefghijklmnopqrst", pos1: 20, n1: 1, s2: "", expected: 0);
344 test(s1: "abcdefghijklmnopqrst", pos1: 20, n1: 1, s2: "abcde", expected: -5);
345 test(s1: "abcdefghijklmnopqrst", pos1: 20, n1: 1, s2: "abcdefghij", expected: -10);
346 test(s1: "abcdefghijklmnopqrst", pos1: 20, n1: 1, s2: "abcdefghijklmnopqrst", expected: -20);
347 test(s1: "abcdefghijklmnopqrst", pos1: 21, n1: 0, s2: "", expected: 0);
348 test(s1: "abcdefghijklmnopqrst", pos1: 21, n1: 0, s2: "abcde", expected: 0);
349 test(s1: "abcdefghijklmnopqrst", pos1: 21, n1: 0, s2: "abcdefghij", expected: 0);
350 test(s1: "abcdefghijklmnopqrst", pos1: 21, n1: 0, s2: "abcdefghijklmnopqrst", expected: 0);
351}
352
353int main(int, char**) {
354 test0();
355 test1();
356 test2();
357
358 {
359 test(s1: "abcde", pos1: 5, n1: 1, s2: "", expected: 0);
360 test(s1: "abcde", pos1: 2, n1: 4, s2: "", expected: 3);
361 test(s1: "abcde", pos1: 2, n1: 4, s2: "abcde", expected: 2);
362 test(s1: "ABCde", pos1: 2, n1: 4, s2: "abcde", expected: -1);
363 }
364
365#ifndef TEST_HAS_NO_WIDE_CHARACTERS
366 {
367 test(s1: L"abcde", pos1: 5, n1: 1, s2: L"", expected: 0);
368 test(s1: L"abcde", pos1: 2, n1: 4, s2: L"", expected: 3);
369 test(s1: L"abcde", pos1: 2, n1: 4, s2: L"abcde", expected: 2);
370 test(s1: L"ABCde", pos1: 2, n1: 4, s2: L"abcde", expected: -1);
371 }
372#endif
373
374#if TEST_STD_VER >= 11
375 {
376 test(u"abcde", 5, 1, u"", 0);
377 test(u"abcde", 2, 4, u"", 3);
378 test(u"abcde", 2, 4, u"abcde", 2);
379 test(u"ABCde", 2, 4, u"abcde", -1);
380 }
381
382 {
383 test(U"abcde", 5, 1, U"", 0);
384 test(U"abcde", 2, 4, U"", 3);
385 test(U"abcde", 2, 4, U"abcde", 2);
386 test(U"ABCde", 2, 4, U"abcde", -1);
387 }
388#endif
389
390#if TEST_STD_VER > 11
391 {
392 typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
393 constexpr SV sv1{"abcde", 5};
394 constexpr SV sv2{"abcde", 0};
395 static_assert(sv1.compare(5, 1, sv2) == 0, "");
396 static_assert(sv1.compare(2, 4, sv2) > 0, "");
397 }
398#endif
399
400 return 0;
401}
402

source code of libcxx/test/std/strings/string.view/string.view.ops/compare.size_size_sv.pass.cpp