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, const charT* s) 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(std::basic_string_view<CharT> sv1, std::size_t pos1, size_t n1, const CharT* s, int expected) {
26#ifdef TEST_HAS_NO_EXCEPTIONS
27 if (pos1 <= sv1.size())
28 assert(sign(sv1.compare(pos1, n1, s)) == sign(expected));
29#else
30 try {
31 assert(sign(sv1.compare(pos1, n1, s)) == sign(expected));
32 assert(pos1 <= sv1.size());
33 } catch (const std::out_of_range&) {
34 assert(pos1 > sv1.size());
35 }
36#endif
37}
38
39template <typename CharT>
40void test(const CharT* s1, std::size_t pos1, size_t n1, const CharT* s2, int expected) {
41 typedef std::basic_string_view<CharT> string_view_t;
42 string_view_t sv1(s1);
43 test1(sv1, pos1, n1, s2, expected);
44}
45
46void test0() {
47 test(s1: "", pos1: 0, n1: 0, s2: "", expected: 0);
48 test(s1: "", pos1: 0, n1: 0, s2: "abcde", expected: -5);
49 test(s1: "", pos1: 0, n1: 0, s2: "abcdefghij", expected: -10);
50 test(s1: "", pos1: 0, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
51 test(s1: "", pos1: 0, n1: 1, s2: "", expected: 0);
52 test(s1: "", pos1: 0, n1: 1, s2: "abcde", expected: -5);
53 test(s1: "", pos1: 0, n1: 1, s2: "abcdefghij", expected: -10);
54 test(s1: "", pos1: 0, n1: 1, s2: "abcdefghijklmnopqrst", expected: -20);
55 test(s1: "", pos1: 1, n1: 0, s2: "", expected: 0);
56 test(s1: "", pos1: 1, n1: 0, s2: "abcde", expected: 0);
57 test(s1: "", pos1: 1, n1: 0, s2: "abcdefghij", expected: 0);
58 test(s1: "", pos1: 1, n1: 0, s2: "abcdefghijklmnopqrst", expected: 0);
59 test(s1: "abcde", pos1: 0, n1: 0, s2: "", expected: 0);
60 test(s1: "abcde", pos1: 0, n1: 0, s2: "abcde", expected: -5);
61 test(s1: "abcde", pos1: 0, n1: 0, s2: "abcdefghij", expected: -10);
62 test(s1: "abcde", pos1: 0, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
63 test(s1: "abcde", pos1: 0, n1: 1, s2: "", expected: 1);
64 test(s1: "abcde", pos1: 0, n1: 1, s2: "abcde", expected: -4);
65 test(s1: "abcde", pos1: 0, n1: 1, s2: "abcdefghij", expected: -9);
66 test(s1: "abcde", pos1: 0, n1: 1, s2: "abcdefghijklmnopqrst", expected: -19);
67 test(s1: "abcde", pos1: 0, n1: 2, s2: "", expected: 2);
68 test(s1: "abcde", pos1: 0, n1: 2, s2: "abcde", expected: -3);
69 test(s1: "abcde", pos1: 0, n1: 2, s2: "abcdefghij", expected: -8);
70 test(s1: "abcde", pos1: 0, n1: 2, s2: "abcdefghijklmnopqrst", expected: -18);
71 test(s1: "abcde", pos1: 0, n1: 4, s2: "", expected: 4);
72 test(s1: "abcde", pos1: 0, n1: 4, s2: "abcde", expected: -1);
73 test(s1: "abcde", pos1: 0, n1: 4, s2: "abcdefghij", expected: -6);
74 test(s1: "abcde", pos1: 0, n1: 4, s2: "abcdefghijklmnopqrst", expected: -16);
75 test(s1: "abcde", pos1: 0, n1: 5, s2: "", expected: 5);
76 test(s1: "abcde", pos1: 0, n1: 5, s2: "abcde", expected: 0);
77 test(s1: "abcde", pos1: 0, n1: 5, s2: "abcdefghij", expected: -5);
78 test(s1: "abcde", pos1: 0, n1: 5, s2: "abcdefghijklmnopqrst", expected: -15);
79 test(s1: "abcde", pos1: 0, n1: 6, s2: "", expected: 5);
80 test(s1: "abcde", pos1: 0, n1: 6, s2: "abcde", expected: 0);
81 test(s1: "abcde", pos1: 0, n1: 6, s2: "abcdefghij", expected: -5);
82 test(s1: "abcde", pos1: 0, n1: 6, s2: "abcdefghijklmnopqrst", expected: -15);
83 test(s1: "abcde", pos1: 1, n1: 0, s2: "", expected: 0);
84 test(s1: "abcde", pos1: 1, n1: 0, s2: "abcde", expected: -5);
85 test(s1: "abcde", pos1: 1, n1: 0, s2: "abcdefghij", expected: -10);
86 test(s1: "abcde", pos1: 1, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
87 test(s1: "abcde", pos1: 1, n1: 1, s2: "", expected: 1);
88 test(s1: "abcde", pos1: 1, n1: 1, s2: "abcde", expected: 1);
89 test(s1: "abcde", pos1: 1, n1: 1, s2: "abcdefghij", expected: 1);
90 test(s1: "abcde", pos1: 1, n1: 1, s2: "abcdefghijklmnopqrst", expected: 1);
91 test(s1: "abcde", pos1: 1, n1: 2, s2: "", expected: 2);
92 test(s1: "abcde", pos1: 1, n1: 2, s2: "abcde", expected: 1);
93 test(s1: "abcde", pos1: 1, n1: 2, s2: "abcdefghij", expected: 1);
94 test(s1: "abcde", pos1: 1, n1: 2, s2: "abcdefghijklmnopqrst", expected: 1);
95 test(s1: "abcde", pos1: 1, n1: 3, s2: "", expected: 3);
96 test(s1: "abcde", pos1: 1, n1: 3, s2: "abcde", expected: 1);
97 test(s1: "abcde", pos1: 1, n1: 3, s2: "abcdefghij", expected: 1);
98 test(s1: "abcde", pos1: 1, n1: 3, s2: "abcdefghijklmnopqrst", expected: 1);
99 test(s1: "abcde", pos1: 1, n1: 4, s2: "", expected: 4);
100 test(s1: "abcde", pos1: 1, n1: 4, s2: "abcde", expected: 1);
101 test(s1: "abcde", pos1: 1, n1: 4, s2: "abcdefghij", expected: 1);
102 test(s1: "abcde", pos1: 1, n1: 4, s2: "abcdefghijklmnopqrst", expected: 1);
103 test(s1: "abcde", pos1: 1, n1: 5, s2: "", expected: 4);
104 test(s1: "abcde", pos1: 1, n1: 5, s2: "abcde", expected: 1);
105 test(s1: "abcde", pos1: 1, n1: 5, s2: "abcdefghij", expected: 1);
106 test(s1: "abcde", pos1: 1, n1: 5, s2: "abcdefghijklmnopqrst", expected: 1);
107 test(s1: "abcde", pos1: 2, n1: 0, s2: "", expected: 0);
108 test(s1: "abcde", pos1: 2, n1: 0, s2: "abcde", expected: -5);
109 test(s1: "abcde", pos1: 2, n1: 0, s2: "abcdefghij", expected: -10);
110 test(s1: "abcde", pos1: 2, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
111 test(s1: "abcde", pos1: 2, n1: 1, s2: "", expected: 1);
112 test(s1: "abcde", pos1: 2, n1: 1, s2: "abcde", expected: 2);
113 test(s1: "abcde", pos1: 2, n1: 1, s2: "abcdefghij", expected: 2);
114 test(s1: "abcde", pos1: 2, n1: 1, s2: "abcdefghijklmnopqrst", expected: 2);
115 test(s1: "abcde", pos1: 2, n1: 2, s2: "", expected: 2);
116 test(s1: "abcde", pos1: 2, n1: 2, s2: "abcde", expected: 2);
117 test(s1: "abcde", pos1: 2, n1: 2, s2: "abcdefghij", expected: 2);
118 test(s1: "abcde", pos1: 2, n1: 2, s2: "abcdefghijklmnopqrst", expected: 2);
119 test(s1: "abcde", pos1: 2, n1: 3, s2: "", expected: 3);
120 test(s1: "abcde", pos1: 2, n1: 3, s2: "abcde", expected: 2);
121 test(s1: "abcde", pos1: 2, n1: 3, s2: "abcdefghij", expected: 2);
122 test(s1: "abcde", pos1: 2, n1: 3, s2: "abcdefghijklmnopqrst", expected: 2);
123 test(s1: "abcde", pos1: 2, n1: 4, s2: "", expected: 3);
124 test(s1: "abcde", pos1: 2, n1: 4, s2: "abcde", expected: 2);
125 test(s1: "abcde", pos1: 2, n1: 4, s2: "abcdefghij", expected: 2);
126 test(s1: "abcde", pos1: 2, n1: 4, s2: "abcdefghijklmnopqrst", expected: 2);
127 test(s1: "abcde", pos1: 4, n1: 0, s2: "", expected: 0);
128 test(s1: "abcde", pos1: 4, n1: 0, s2: "abcde", expected: -5);
129 test(s1: "abcde", pos1: 4, n1: 0, s2: "abcdefghij", expected: -10);
130 test(s1: "abcde", pos1: 4, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
131 test(s1: "abcde", pos1: 4, n1: 1, s2: "", expected: 1);
132 test(s1: "abcde", pos1: 4, n1: 1, s2: "abcde", expected: 4);
133 test(s1: "abcde", pos1: 4, n1: 1, s2: "abcdefghij", expected: 4);
134 test(s1: "abcde", pos1: 4, n1: 1, s2: "abcdefghijklmnopqrst", expected: 4);
135 test(s1: "abcde", pos1: 4, n1: 2, s2: "", expected: 1);
136 test(s1: "abcde", pos1: 4, n1: 2, s2: "abcde", expected: 4);
137 test(s1: "abcde", pos1: 4, n1: 2, s2: "abcdefghij", expected: 4);
138 test(s1: "abcde", pos1: 4, n1: 2, s2: "abcdefghijklmnopqrst", expected: 4);
139 test(s1: "abcde", pos1: 5, n1: 0, s2: "", expected: 0);
140 test(s1: "abcde", pos1: 5, n1: 0, s2: "abcde", expected: -5);
141 test(s1: "abcde", pos1: 5, n1: 0, s2: "abcdefghij", expected: -10);
142 test(s1: "abcde", pos1: 5, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
143 test(s1: "abcde", pos1: 5, n1: 1, s2: "", expected: 0);
144 test(s1: "abcde", pos1: 5, n1: 1, s2: "abcde", expected: -5);
145 test(s1: "abcde", pos1: 5, n1: 1, s2: "abcdefghij", expected: -10);
146 test(s1: "abcde", pos1: 5, n1: 1, s2: "abcdefghijklmnopqrst", expected: -20);
147}
148
149void test1() {
150 test(s1: "abcde", pos1: 6, n1: 0, s2: "", expected: 0);
151 test(s1: "abcde", pos1: 6, n1: 0, s2: "abcde", expected: 0);
152 test(s1: "abcde", pos1: 6, n1: 0, s2: "abcdefghij", expected: 0);
153 test(s1: "abcde", pos1: 6, n1: 0, s2: "abcdefghijklmnopqrst", expected: 0);
154 test(s1: "abcdefghij", pos1: 0, n1: 0, s2: "", expected: 0);
155 test(s1: "abcdefghij", pos1: 0, n1: 0, s2: "abcde", expected: -5);
156 test(s1: "abcdefghij", pos1: 0, n1: 0, s2: "abcdefghij", expected: -10);
157 test(s1: "abcdefghij", pos1: 0, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
158 test(s1: "abcdefghij", pos1: 0, n1: 1, s2: "", expected: 1);
159 test(s1: "abcdefghij", pos1: 0, n1: 1, s2: "abcde", expected: -4);
160 test(s1: "abcdefghij", pos1: 0, n1: 1, s2: "abcdefghij", expected: -9);
161 test(s1: "abcdefghij", pos1: 0, n1: 1, s2: "abcdefghijklmnopqrst", expected: -19);
162 test(s1: "abcdefghij", pos1: 0, n1: 5, s2: "", expected: 5);
163 test(s1: "abcdefghij", pos1: 0, n1: 5, s2: "abcde", expected: 0);
164 test(s1: "abcdefghij", pos1: 0, n1: 5, s2: "abcdefghij", expected: -5);
165 test(s1: "abcdefghij", pos1: 0, n1: 5, s2: "abcdefghijklmnopqrst", expected: -15);
166 test(s1: "abcdefghij", pos1: 0, n1: 9, s2: "", expected: 9);
167 test(s1: "abcdefghij", pos1: 0, n1: 9, s2: "abcde", expected: 4);
168 test(s1: "abcdefghij", pos1: 0, n1: 9, s2: "abcdefghij", expected: -1);
169 test(s1: "abcdefghij", pos1: 0, n1: 9, s2: "abcdefghijklmnopqrst", expected: -11);
170 test(s1: "abcdefghij", pos1: 0, n1: 10, s2: "", expected: 10);
171 test(s1: "abcdefghij", pos1: 0, n1: 10, s2: "abcde", expected: 5);
172 test(s1: "abcdefghij", pos1: 0, n1: 10, s2: "abcdefghij", expected: 0);
173 test(s1: "abcdefghij", pos1: 0, n1: 10, s2: "abcdefghijklmnopqrst", expected: -10);
174 test(s1: "abcdefghij", pos1: 0, n1: 11, s2: "", expected: 10);
175 test(s1: "abcdefghij", pos1: 0, n1: 11, s2: "abcde", expected: 5);
176 test(s1: "abcdefghij", pos1: 0, n1: 11, s2: "abcdefghij", expected: 0);
177 test(s1: "abcdefghij", pos1: 0, n1: 11, s2: "abcdefghijklmnopqrst", expected: -10);
178 test(s1: "abcdefghij", pos1: 1, n1: 0, s2: "", expected: 0);
179 test(s1: "abcdefghij", pos1: 1, n1: 0, s2: "abcde", expected: -5);
180 test(s1: "abcdefghij", pos1: 1, n1: 0, s2: "abcdefghij", expected: -10);
181 test(s1: "abcdefghij", pos1: 1, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
182 test(s1: "abcdefghij", pos1: 1, n1: 1, s2: "", expected: 1);
183 test(s1: "abcdefghij", pos1: 1, n1: 1, s2: "abcde", expected: 1);
184 test(s1: "abcdefghij", pos1: 1, n1: 1, s2: "abcdefghij", expected: 1);
185 test(s1: "abcdefghij", pos1: 1, n1: 1, s2: "abcdefghijklmnopqrst", expected: 1);
186 test(s1: "abcdefghij", pos1: 1, n1: 4, s2: "", expected: 4);
187 test(s1: "abcdefghij", pos1: 1, n1: 4, s2: "abcde", expected: 1);
188 test(s1: "abcdefghij", pos1: 1, n1: 4, s2: "abcdefghij", expected: 1);
189 test(s1: "abcdefghij", pos1: 1, n1: 4, s2: "abcdefghijklmnopqrst", expected: 1);
190 test(s1: "abcdefghij", pos1: 1, n1: 8, s2: "", expected: 8);
191 test(s1: "abcdefghij", pos1: 1, n1: 8, s2: "abcde", expected: 1);
192 test(s1: "abcdefghij", pos1: 1, n1: 8, s2: "abcdefghij", expected: 1);
193 test(s1: "abcdefghij", pos1: 1, n1: 8, s2: "abcdefghijklmnopqrst", expected: 1);
194 test(s1: "abcdefghij", pos1: 1, n1: 9, s2: "", expected: 9);
195 test(s1: "abcdefghij", pos1: 1, n1: 9, s2: "abcde", expected: 1);
196 test(s1: "abcdefghij", pos1: 1, n1: 9, s2: "abcdefghij", expected: 1);
197 test(s1: "abcdefghij", pos1: 1, n1: 9, s2: "abcdefghijklmnopqrst", expected: 1);
198 test(s1: "abcdefghij", pos1: 1, n1: 10, s2: "", expected: 9);
199 test(s1: "abcdefghij", pos1: 1, n1: 10, s2: "abcde", expected: 1);
200 test(s1: "abcdefghij", pos1: 1, n1: 10, s2: "abcdefghij", expected: 1);
201 test(s1: "abcdefghij", pos1: 1, n1: 10, s2: "abcdefghijklmnopqrst", expected: 1);
202 test(s1: "abcdefghij", pos1: 5, n1: 0, s2: "", expected: 0);
203 test(s1: "abcdefghij", pos1: 5, n1: 0, s2: "abcde", expected: -5);
204 test(s1: "abcdefghij", pos1: 5, n1: 0, s2: "abcdefghij", expected: -10);
205 test(s1: "abcdefghij", pos1: 5, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
206 test(s1: "abcdefghij", pos1: 5, n1: 1, s2: "", expected: 1);
207 test(s1: "abcdefghij", pos1: 5, n1: 1, s2: "abcde", expected: 5);
208 test(s1: "abcdefghij", pos1: 5, n1: 1, s2: "abcdefghij", expected: 5);
209 test(s1: "abcdefghij", pos1: 5, n1: 1, s2: "abcdefghijklmnopqrst", expected: 5);
210 test(s1: "abcdefghij", pos1: 5, n1: 2, s2: "", expected: 2);
211 test(s1: "abcdefghij", pos1: 5, n1: 2, s2: "abcde", expected: 5);
212 test(s1: "abcdefghij", pos1: 5, n1: 2, s2: "abcdefghij", expected: 5);
213 test(s1: "abcdefghij", pos1: 5, n1: 2, s2: "abcdefghijklmnopqrst", expected: 5);
214 test(s1: "abcdefghij", pos1: 5, n1: 4, s2: "", expected: 4);
215 test(s1: "abcdefghij", pos1: 5, n1: 4, s2: "abcde", expected: 5);
216 test(s1: "abcdefghij", pos1: 5, n1: 4, s2: "abcdefghij", expected: 5);
217 test(s1: "abcdefghij", pos1: 5, n1: 4, s2: "abcdefghijklmnopqrst", expected: 5);
218 test(s1: "abcdefghij", pos1: 5, n1: 5, s2: "", expected: 5);
219 test(s1: "abcdefghij", pos1: 5, n1: 5, s2: "abcde", expected: 5);
220 test(s1: "abcdefghij", pos1: 5, n1: 5, s2: "abcdefghij", expected: 5);
221 test(s1: "abcdefghij", pos1: 5, n1: 5, s2: "abcdefghijklmnopqrst", expected: 5);
222 test(s1: "abcdefghij", pos1: 5, n1: 6, s2: "", expected: 5);
223 test(s1: "abcdefghij", pos1: 5, n1: 6, s2: "abcde", expected: 5);
224 test(s1: "abcdefghij", pos1: 5, n1: 6, s2: "abcdefghij", expected: 5);
225 test(s1: "abcdefghij", pos1: 5, n1: 6, s2: "abcdefghijklmnopqrst", expected: 5);
226 test(s1: "abcdefghij", pos1: 9, n1: 0, s2: "", expected: 0);
227 test(s1: "abcdefghij", pos1: 9, n1: 0, s2: "abcde", expected: -5);
228 test(s1: "abcdefghij", pos1: 9, n1: 0, s2: "abcdefghij", expected: -10);
229 test(s1: "abcdefghij", pos1: 9, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
230 test(s1: "abcdefghij", pos1: 9, n1: 1, s2: "", expected: 1);
231 test(s1: "abcdefghij", pos1: 9, n1: 1, s2: "abcde", expected: 9);
232 test(s1: "abcdefghij", pos1: 9, n1: 1, s2: "abcdefghij", expected: 9);
233 test(s1: "abcdefghij", pos1: 9, n1: 1, s2: "abcdefghijklmnopqrst", expected: 9);
234 test(s1: "abcdefghij", pos1: 9, n1: 2, s2: "", expected: 1);
235 test(s1: "abcdefghij", pos1: 9, n1: 2, s2: "abcde", expected: 9);
236 test(s1: "abcdefghij", pos1: 9, n1: 2, s2: "abcdefghij", expected: 9);
237 test(s1: "abcdefghij", pos1: 9, n1: 2, s2: "abcdefghijklmnopqrst", expected: 9);
238 test(s1: "abcdefghij", pos1: 10, n1: 0, s2: "", expected: 0);
239 test(s1: "abcdefghij", pos1: 10, n1: 0, s2: "abcde", expected: -5);
240 test(s1: "abcdefghij", pos1: 10, n1: 0, s2: "abcdefghij", expected: -10);
241 test(s1: "abcdefghij", pos1: 10, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
242 test(s1: "abcdefghij", pos1: 10, n1: 1, s2: "", expected: 0);
243 test(s1: "abcdefghij", pos1: 10, n1: 1, s2: "abcde", expected: -5);
244 test(s1: "abcdefghij", pos1: 10, n1: 1, s2: "abcdefghij", expected: -10);
245 test(s1: "abcdefghij", pos1: 10, n1: 1, s2: "abcdefghijklmnopqrst", expected: -20);
246 test(s1: "abcdefghij", pos1: 11, n1: 0, s2: "", expected: 0);
247 test(s1: "abcdefghij", pos1: 11, n1: 0, s2: "abcde", expected: 0);
248 test(s1: "abcdefghij", pos1: 11, n1: 0, s2: "abcdefghij", expected: 0);
249 test(s1: "abcdefghij", pos1: 11, n1: 0, s2: "abcdefghijklmnopqrst", expected: 0);
250}
251
252void test2() {
253 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 0, s2: "", expected: 0);
254 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 0, s2: "abcde", expected: -5);
255 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 0, s2: "abcdefghij", expected: -10);
256 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
257 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 1, s2: "", expected: 1);
258 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 1, s2: "abcde", expected: -4);
259 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 1, s2: "abcdefghij", expected: -9);
260 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 1, s2: "abcdefghijklmnopqrst", expected: -19);
261 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 10, s2: "", expected: 10);
262 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 10, s2: "abcde", expected: 5);
263 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 10, s2: "abcdefghij", expected: 0);
264 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 10, s2: "abcdefghijklmnopqrst", expected: -10);
265 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 19, s2: "", expected: 19);
266 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 19, s2: "abcde", expected: 14);
267 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 19, s2: "abcdefghij", expected: 9);
268 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 19, s2: "abcdefghijklmnopqrst", expected: -1);
269 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 20, s2: "", expected: 20);
270 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 20, s2: "abcde", expected: 15);
271 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 20, s2: "abcdefghij", expected: 10);
272 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 20, s2: "abcdefghijklmnopqrst", expected: 0);
273 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 21, s2: "", expected: 20);
274 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 21, s2: "abcde", expected: 15);
275 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 21, s2: "abcdefghij", expected: 10);
276 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 21, s2: "abcdefghijklmnopqrst", expected: 0);
277 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 0, s2: "", expected: 0);
278 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 0, s2: "abcde", expected: -5);
279 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 0, s2: "abcdefghij", expected: -10);
280 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
281 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 1, s2: "", expected: 1);
282 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 1, s2: "abcde", expected: 1);
283 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 1, s2: "abcdefghij", expected: 1);
284 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 1, s2: "abcdefghijklmnopqrst", expected: 1);
285 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 9, s2: "", expected: 9);
286 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 9, s2: "abcde", expected: 1);
287 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 9, s2: "abcdefghij", expected: 1);
288 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 9, s2: "abcdefghijklmnopqrst", expected: 1);
289 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 18, s2: "", expected: 18);
290 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 18, s2: "abcde", expected: 1);
291 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 18, s2: "abcdefghij", expected: 1);
292 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 18, s2: "abcdefghijklmnopqrst", expected: 1);
293 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 19, s2: "", expected: 19);
294 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 19, s2: "abcde", expected: 1);
295 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 19, s2: "abcdefghij", expected: 1);
296 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 19, s2: "abcdefghijklmnopqrst", expected: 1);
297 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 20, s2: "", expected: 19);
298 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 20, s2: "abcde", expected: 1);
299 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 20, s2: "abcdefghij", expected: 1);
300 test(s1: "abcdefghijklmnopqrst", pos1: 1, n1: 20, s2: "abcdefghijklmnopqrst", expected: 1);
301 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 0, s2: "", expected: 0);
302 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 0, s2: "abcde", expected: -5);
303 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 0, s2: "abcdefghij", expected: -10);
304 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
305 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 1, s2: "", expected: 1);
306 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 1, s2: "abcde", expected: 10);
307 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 1, s2: "abcdefghij", expected: 10);
308 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 1, s2: "abcdefghijklmnopqrst", expected: 10);
309 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 5, s2: "", expected: 5);
310 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 5, s2: "abcde", expected: 10);
311 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 5, s2: "abcdefghij", expected: 10);
312 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 5, s2: "abcdefghijklmnopqrst", expected: 10);
313 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 9, s2: "", expected: 9);
314 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 9, s2: "abcde", expected: 10);
315 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 9, s2: "abcdefghij", expected: 10);
316 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 9, s2: "abcdefghijklmnopqrst", expected: 10);
317 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 10, s2: "", expected: 10);
318 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 10, s2: "abcde", expected: 10);
319 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 10, s2: "abcdefghij", expected: 10);
320 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 10, s2: "abcdefghijklmnopqrst", expected: 10);
321 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 11, s2: "", expected: 10);
322 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 11, s2: "abcde", expected: 10);
323 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 11, s2: "abcdefghij", expected: 10);
324 test(s1: "abcdefghijklmnopqrst", pos1: 10, n1: 11, s2: "abcdefghijklmnopqrst", expected: 10);
325 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 0, s2: "", expected: 0);
326 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 0, s2: "abcde", expected: -5);
327 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 0, s2: "abcdefghij", expected: -10);
328 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
329 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 1, s2: "", expected: 1);
330 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 1, s2: "abcde", expected: 19);
331 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 1, s2: "abcdefghij", expected: 19);
332 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 1, s2: "abcdefghijklmnopqrst", expected: 19);
333 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 2, s2: "", expected: 1);
334 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 2, s2: "abcde", expected: 19);
335 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 2, s2: "abcdefghij", expected: 19);
336 test(s1: "abcdefghijklmnopqrst", pos1: 19, n1: 2, s2: "abcdefghijklmnopqrst", expected: 19);
337 test(s1: "abcdefghijklmnopqrst", pos1: 20, n1: 0, s2: "", expected: 0);
338 test(s1: "abcdefghijklmnopqrst", pos1: 20, n1: 0, s2: "abcde", expected: -5);
339 test(s1: "abcdefghijklmnopqrst", pos1: 20, n1: 0, s2: "abcdefghij", expected: -10);
340 test(s1: "abcdefghijklmnopqrst", pos1: 20, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
341 test(s1: "abcdefghijklmnopqrst", pos1: 20, n1: 1, s2: "", expected: 0);
342 test(s1: "abcdefghijklmnopqrst", pos1: 20, n1: 1, s2: "abcde", expected: -5);
343 test(s1: "abcdefghijklmnopqrst", pos1: 20, n1: 1, s2: "abcdefghij", expected: -10);
344 test(s1: "abcdefghijklmnopqrst", pos1: 20, n1: 1, s2: "abcdefghijklmnopqrst", expected: -20);
345 test(s1: "abcdefghijklmnopqrst", pos1: 21, n1: 0, s2: "", expected: 0);
346 test(s1: "abcdefghijklmnopqrst", pos1: 21, n1: 0, s2: "abcde", expected: 0);
347 test(s1: "abcdefghijklmnopqrst", pos1: 21, n1: 0, s2: "abcdefghij", expected: 0);
348 test(s1: "abcdefghijklmnopqrst", pos1: 21, n1: 0, s2: "abcdefghijklmnopqrst", expected: 0);
349}
350
351int main(int, char**) {
352 test0();
353 test1();
354 test2();
355
356 {
357 test(s1: "", pos1: 0, n1: 0, s2: "", expected: 0);
358 test(s1: "", pos1: 0, n1: 0, s2: "abcde", expected: -5);
359 test(s1: "", pos1: 0, n1: 0, s2: "abcdefghij", expected: -10);
360 test(s1: "", pos1: 0, n1: 0, s2: "abcdefghijklmnopqrst", expected: -20);
361 test(s1: "abcde", pos1: 0, n1: 2, s2: "", expected: 5);
362 test(s1: "abcde", pos1: 0, n1: 6, s2: "abcde", expected: 0);
363 test(s1: "abcde", pos1: 0, n1: 6, s2: "abcdefghij", expected: -5);
364 test(s1: "abcde", pos1: 0, n1: 6, s2: "abcdefghijklmnopqrst", expected: -15);
365 test(s1: "abcdefghij", pos1: 3, n1: 3, s2: "", expected: 10);
366 test(s1: "abcdefghij", pos1: 3, n1: 3, s2: "abcde", expected: 5);
367 test(s1: "abcdefghij", pos1: 3, n1: 3, s2: "def", expected: 0);
368 test(s1: "abcdefghij", pos1: 0, n1: 4, s2: "abcdefghijklmnopqrst", expected: -10);
369 test(s1: "abcdefghijklmnopqrst", pos1: 5, n1: 5, s2: "", expected: 20);
370 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 8, s2: "abcde", expected: 15);
371 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: 12, s2: "abcdefghij", expected: 10);
372 test(s1: "abcdefghijklmnopqrst", pos1: 0, n1: static_cast<std::size_t>(-1), s2: "abcdefghijklmnopqrst", expected: 0);
373 }
374
375#ifndef TEST_HAS_NO_WIDE_CHARACTERS
376 {
377 test(s1: L"", pos1: 0, n1: 0, s2: L"", expected: 0);
378 test(s1: L"", pos1: 0, n1: 0, s2: L"abcde", expected: -5);
379 test(s1: L"", pos1: 0, n1: 0, s2: L"abcdefghij", expected: -10);
380 test(s1: L"", pos1: 0, n1: 0, s2: L"abcdefghijklmnopqrst", expected: -20);
381 test(s1: L"abcde", pos1: 0, n1: 2, s2: L"", expected: 5);
382 test(s1: L"abcde", pos1: 0, n1: 6, s2: L"abcde", expected: 0);
383 test(s1: L"abcde", pos1: 0, n1: 6, s2: L"abcdefghij", expected: -5);
384 test(s1: L"abcde", pos1: 0, n1: 6, s2: L"abcdefghijklmnopqrst", expected: -15);
385 test(s1: L"abcdefghij", pos1: 3, n1: 3, s2: L"", expected: 10);
386 test(s1: L"abcdefghij", pos1: 3, n1: 3, s2: L"abcde", expected: 5);
387 test(s1: L"abcdefghij", pos1: 3, n1: 3, s2: L"def", expected: 0);
388 test(s1: L"abcdefghij", pos1: 0, n1: 4, s2: L"abcdefghijklmnopqrst", expected: -10);
389 test(s1: L"abcdefghijklmnopqrst", pos1: 5, n1: 5, s2: L"", expected: 20);
390 test(s1: L"abcdefghijklmnopqrst", pos1: 0, n1: 8, s2: L"abcde", expected: 15);
391 test(s1: L"abcdefghijklmnopqrst", pos1: 0, n1: 12, s2: L"abcdefghij", expected: 10);
392 test(s1: L"abcdefghijklmnopqrst", pos1: 0, n1: static_cast<std::size_t>(-1), s2: L"abcdefghijklmnopqrst", expected: 0);
393 }
394#endif
395
396#if TEST_STD_VER >= 11
397 {
398 test(U"", 0, 0, U"", 0);
399 test(U"", 0, 0, U"abcde", -5);
400 test(U"", 0, 0, U"abcdefghij", -10);
401 test(U"", 0, 0, U"abcdefghijklmnopqrst", -20);
402 test(U"abcde", 0, 2, U"", 5);
403 test(U"abcde", 0, 6, U"abcde", 0);
404 test(U"abcde", 0, 6, U"abcdefghij", -5);
405 test(U"abcde", 0, 6, U"abcdefghijklmnopqrst", -15);
406 test(U"abcdefghij", 3, 3, U"", 10);
407 test(U"abcdefghij", 3, 3, U"abcde", 5);
408 test(U"abcdefghij", 3, 3, U"def", 0);
409 test(U"abcdefghij", 0, 4, U"abcdefghijklmnopqrst", -10);
410 test(U"abcdefghijklmnopqrst", 5, 5, U"", 20);
411 test(U"abcdefghijklmnopqrst", 0, 8, U"abcde", 15);
412 test(U"abcdefghijklmnopqrst", 0, 12, U"abcdefghij", 10);
413 test(U"abcdefghijklmnopqrst", 0, static_cast<std::size_t>(-1), U"abcdefghijklmnopqrst", 0);
414 }
415
416 {
417 test(u"", 0, 0, u"", 0);
418 test(u"", 0, 0, u"abcde", -5);
419 test(u"", 0, 0, u"abcdefghij", -10);
420 test(u"", 0, 0, u"abcdefghijklmnopqrst", -20);
421 test(u"abcde", 0, 2, u"", 5);
422 test(u"abcde", 0, 6, u"abcde", 0);
423 test(u"abcde", 0, 6, u"abcdefghij", -5);
424 test(u"abcde", 0, 6, u"abcdefghijklmnopqrst", -15);
425 test(u"abcdefghij", 3, 3, u"", 10);
426 test(u"abcdefghij", 3, 3, u"abcde", 5);
427 test(u"abcdefghij", 3, 3, u"def", 0);
428 test(u"abcdefghij", 0, 4, u"abcdefghijklmnopqrst", -10);
429 test(u"abcdefghijklmnopqrst", 5, 5, u"", 20);
430 test(u"abcdefghijklmnopqrst", 0, 8, u"abcde", 15);
431 test(u"abcdefghijklmnopqrst", 0, 12, u"abcdefghij", 10);
432 test(u"abcdefghijklmnopqrst", 0, static_cast<std::size_t>(-1), u"abcdefghijklmnopqrst", 0);
433 }
434#endif
435
436#if TEST_STD_VER > 11
437 {
438 typedef std::basic_string_view<char, constexpr_char_traits<char>> SV;
439 constexpr SV sv1;
440 constexpr SV sv2{"abcde", 5};
441 static_assert(sv1.compare(0, 0, "") == 0, "");
442 static_assert(sv1.compare(0, 0, "abcde") < 0, "");
443 static_assert(sv2.compare(0, 2, "") > 0, "");
444 static_assert(sv2.compare(0, 6, "abcde") == 0, "");
445 }
446#endif
447
448 return 0;
449}
450

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