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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2011 Dreamhost | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | * | |
13 | */ | |
14 | ||
15 | #include "common/strtol.h" | |
1adf2230 | 16 | #include <math.h> |
7c673cae FG |
17 | #include <string> |
18 | #include <map> | |
19 | ||
20 | #include "gtest/gtest.h" | |
21 | ||
1adf2230 | 22 | static void test_strict_strtoll(const char *str, long long expected, int base) |
7c673cae FG |
23 | { |
24 | std::string err; | |
1adf2230 | 25 | long long val = strict_strtoll(str, base, &err); |
7c673cae FG |
26 | if (!err.empty()) { |
27 | ASSERT_EQ(err, ""); | |
28 | } | |
29 | else { | |
30 | ASSERT_EQ(val, expected); | |
31 | } | |
32 | } | |
33 | ||
34 | static void test_strict_strtol(const char *str, long expected) | |
35 | { | |
36 | std::string err; | |
37 | long val = strict_strtol(str, 10, &err); | |
38 | if (!err.empty()) { | |
39 | ASSERT_EQ(err, ""); | |
40 | } | |
41 | else { | |
42 | ASSERT_EQ(val, expected); | |
43 | } | |
44 | } | |
45 | ||
46 | static void test_strict_strtod(const char *str, double expected) | |
47 | { | |
48 | std::string err; | |
49 | double val = strict_strtod(str, &err); | |
50 | if (!err.empty()) { | |
51 | ASSERT_EQ(err, ""); | |
52 | } | |
53 | else { | |
54 | // when comparing floats, use a margin of error | |
55 | if ((expected - 0.001 > val) || (expected + 0.001 < val)) { | |
56 | ASSERT_EQ(val, expected); | |
57 | } | |
58 | } | |
59 | } | |
60 | ||
61 | static void test_strict_strtof(const char *str, float expected) | |
62 | { | |
63 | std::string err; | |
64 | float val = strict_strtof(str, &err); | |
65 | if (!err.empty()) { | |
66 | ASSERT_EQ(err, ""); | |
67 | } | |
68 | else { | |
69 | // when comparing floats, use a margin of error | |
70 | if ((expected - 0.001 > val) || (expected + 0.001 < val)) { | |
71 | ASSERT_EQ(val, expected); | |
72 | } | |
73 | } | |
74 | } | |
75 | ||
76 | TEST(StrToL, Simple1) { | |
1adf2230 AA |
77 | test_strict_strtoll("123", 123, 10); |
78 | test_strict_strtoll("0", 0, 10); | |
79 | test_strict_strtoll("-123", -123, 10); | |
80 | test_strict_strtoll("8796093022208", 8796093022208LL, 10); | |
81 | test_strict_strtoll("-8796093022208", -8796093022208LL, 10); | |
82 | test_strict_strtoll("123", 123, 0); | |
83 | test_strict_strtoll("0x7b", 123, 0); | |
84 | test_strict_strtoll("4d2", 1234, 16); | |
7c673cae FG |
85 | |
86 | test_strict_strtol("208", 208); | |
87 | test_strict_strtol("-4", -4); | |
88 | test_strict_strtol("0", 0); | |
89 | test_strict_strtol("2147483646", 2147483646); | |
90 | ||
91 | test_strict_strtof("0.05", 0.05); | |
92 | test_strict_strtof("0", 0.0); | |
93 | test_strict_strtof("-0", 0.0); | |
94 | test_strict_strtof("10000000.5", 10000000.5); | |
95 | ||
96 | test_strict_strtod("-0.2", -0.2); | |
97 | test_strict_strtod("0.1", 0.1); | |
98 | test_strict_strtod("0", 0.0); | |
99 | } | |
100 | ||
101 | static void test_strict_strtoll_err(const char *str) | |
102 | { | |
103 | std::string err; | |
104 | strict_strtoll(str, 10, &err); | |
105 | ASSERT_NE(err, ""); | |
106 | } | |
107 | ||
108 | static void test_strict_strtol_err(const char *str) | |
109 | { | |
110 | std::string err; | |
111 | strict_strtol(str, 10, &err); | |
112 | ASSERT_NE(err, ""); | |
113 | } | |
114 | ||
115 | static void test_strict_strtod_err(const char *str) | |
116 | { | |
117 | std::string err; | |
118 | strict_strtod(str, &err); | |
119 | ASSERT_NE(err, ""); | |
120 | } | |
121 | ||
122 | static void test_strict_strtof_err(const char *str) | |
123 | { | |
124 | std::string err; | |
125 | strict_strtof(str, &err); | |
126 | ASSERT_NE(err, ""); | |
127 | } | |
128 | ||
129 | TEST(StrToL, Error1) { | |
130 | test_strict_strtoll_err("604462909807314587353088"); // overflow | |
131 | test_strict_strtoll_err("aw shucks"); // invalid | |
132 | test_strict_strtoll_err("343245 aw shucks"); // invalid chars at end | |
1adf2230 | 133 | test_strict_strtoll_err("-"); // invalid |
7c673cae FG |
134 | |
135 | test_strict_strtol_err("35 aw shucks"); // invalid chars at end | |
136 | test_strict_strtol_err("--0"); | |
1adf2230 | 137 | test_strict_strtol_err("-"); |
7c673cae FG |
138 | |
139 | test_strict_strtod_err("345345.0-"); | |
140 | test_strict_strtod_err("34.0 garbo"); | |
141 | ||
142 | test_strict_strtof_err("0.05.0"); | |
143 | } | |
144 | ||
145 | ||
1adf2230 AA |
146 | static void test_strict_iecstrtoll(const char *str) |
147 | { | |
148 | std::string err; | |
149 | strict_iecstrtoll(str, &err); | |
150 | ASSERT_EQ(err, ""); | |
151 | } | |
152 | ||
153 | static void test_strict_iecstrtoll_units(const std::string& foo, | |
154 | std::string u, const int m) | |
155 | { | |
156 | std::string s(foo); | |
157 | s.append(u); | |
158 | const char *str = s.c_str(); | |
159 | std::string err; | |
160 | uint64_t r = strict_iecstrtoll(str, &err); | |
161 | ASSERT_EQ(err, ""); | |
162 | ||
163 | str = foo.c_str(); | |
164 | std::string err2; | |
165 | long long tmp = strict_strtoll(str, 10, &err2); | |
166 | ASSERT_EQ(err2, ""); | |
167 | tmp = (tmp << m); | |
168 | ASSERT_EQ(tmp, (long long)r); | |
169 | } | |
170 | ||
171 | TEST(IECStrToLL, WithUnits) { | |
172 | std::map<std::string,int> units; | |
173 | units["B"] = 0; | |
174 | units["K"] = 10; | |
175 | units["M"] = 20; | |
176 | units["G"] = 30; | |
177 | units["T"] = 40; | |
178 | units["P"] = 50; | |
179 | units["E"] = 60; | |
180 | units["Ki"] = 10; | |
181 | units["Mi"] = 20; | |
182 | units["Gi"] = 30; | |
183 | units["Ti"] = 40; | |
184 | units["Pi"] = 50; | |
185 | units["Ei"] = 60; | |
186 | ||
187 | for (std::map<std::string,int>::iterator p = units.begin(); | |
188 | p != units.end(); ++p) { | |
189 | // the upper bound of uint64_t is 2^64 = 4E | |
190 | test_strict_iecstrtoll_units("4", p->first, p->second); | |
191 | test_strict_iecstrtoll_units("1", p->first, p->second); | |
192 | test_strict_iecstrtoll_units("0", p->first, p->second); | |
193 | } | |
194 | } | |
195 | ||
196 | TEST(IECStrToLL, WithoutUnits) { | |
197 | test_strict_iecstrtoll("1024"); | |
198 | test_strict_iecstrtoll("1152921504606846976"); | |
199 | test_strict_iecstrtoll("0"); | |
200 | } | |
201 | ||
202 | static void test_strict_iecstrtoll_err(const char *str) | |
203 | { | |
204 | std::string err; | |
205 | strict_iecstrtoll(str, &err); | |
206 | ASSERT_NE(err, ""); | |
207 | } | |
208 | ||
209 | TEST(IECStrToLL, Error) { | |
210 | test_strict_iecstrtoll_err("1024F"); | |
211 | test_strict_iecstrtoll_err("QDDSA"); | |
212 | test_strict_iecstrtoll_err("1b"); | |
213 | test_strict_iecstrtoll_err("100k"); | |
214 | test_strict_iecstrtoll_err("1000m"); | |
215 | test_strict_iecstrtoll_err("1g"); | |
216 | test_strict_iecstrtoll_err("20t"); | |
217 | test_strict_iecstrtoll_err("100p"); | |
218 | test_strict_iecstrtoll_err("1000e"); | |
219 | test_strict_iecstrtoll_err("B"); | |
220 | test_strict_iecstrtoll_err("M"); | |
221 | test_strict_iecstrtoll_err("BM"); | |
222 | test_strict_iecstrtoll_err("B0wef"); | |
223 | test_strict_iecstrtoll_err("0m"); | |
224 | test_strict_iecstrtoll_err("-1"); // it returns uint64_t | |
225 | test_strict_iecstrtoll_err("-1K"); | |
226 | test_strict_iecstrtoll_err("1Bi"); | |
227 | test_strict_iecstrtoll_err("Bi"); | |
228 | test_strict_iecstrtoll_err("bi"); | |
229 | test_strict_iecstrtoll_err("gi"); | |
230 | test_strict_iecstrtoll_err("100ki"); | |
231 | test_strict_iecstrtoll_err("1000mi"); | |
232 | test_strict_iecstrtoll_err("1gi"); | |
233 | test_strict_iecstrtoll_err("20ti"); | |
234 | test_strict_iecstrtoll_err("100pi"); | |
235 | test_strict_iecstrtoll_err("1000ei"); | |
236 | // the upper bound of uint64_t is 2^64 = 4E, so 1024E overflows | |
237 | test_strict_iecstrtoll_err("1024E"); // overflows after adding the suffix | |
238 | } | |
239 | ||
240 | // since strict_iecstrtoll is an alias of strict_iec_cast<uint64_t>(), quite a few | |
241 | // of cases are covered by existing test cases of strict_iecstrtoll already. | |
242 | TEST(StrictIECCast, Error) { | |
243 | { | |
244 | std::string err; | |
245 | // the SI prefix is way too large for `int`. | |
246 | (void)strict_iec_cast<int>("2E", &err); | |
247 | ASSERT_NE(err, ""); | |
248 | } | |
249 | { | |
250 | std::string err; | |
251 | (void)strict_iec_cast<int>("-2E", &err); | |
252 | ASSERT_NE(err, ""); | |
253 | } | |
254 | { | |
255 | std::string err; | |
256 | (void)strict_iec_cast<int>("1T", &err); | |
257 | ASSERT_NE(err, ""); | |
258 | } | |
259 | { | |
260 | std::string err; | |
261 | (void)strict_iec_cast<int64_t>("2E", &err); | |
262 | ASSERT_EQ(err, ""); | |
263 | } | |
264 | { | |
265 | std::string err; | |
266 | (void)strict_iec_cast<int64_t>("-2E", &err); | |
267 | ASSERT_EQ(err, ""); | |
268 | } | |
269 | { | |
270 | std::string err; | |
271 | (void)strict_iec_cast<int64_t>("1T", &err); | |
272 | ASSERT_EQ(err, ""); | |
273 | } | |
274 | } | |
275 | ||
276 | ||
7c673cae FG |
277 | static void test_strict_sistrtoll(const char *str) |
278 | { | |
279 | std::string err; | |
280 | strict_sistrtoll(str, &err); | |
281 | ASSERT_EQ(err, ""); | |
282 | } | |
283 | ||
284 | static void test_strict_sistrtoll_units(const std::string& foo, | |
1adf2230 | 285 | std::string u, const long long m) |
7c673cae FG |
286 | { |
287 | std::string s(foo); | |
1adf2230 | 288 | s.append(u); |
7c673cae FG |
289 | const char *str = s.c_str(); |
290 | std::string err; | |
291 | uint64_t r = strict_sistrtoll(str, &err); | |
292 | ASSERT_EQ(err, ""); | |
293 | ||
294 | str = foo.c_str(); | |
295 | std::string err2; | |
296 | long long tmp = strict_strtoll(str, 10, &err2); | |
297 | ASSERT_EQ(err2, ""); | |
1adf2230 | 298 | tmp = (tmp * m); |
7c673cae FG |
299 | ASSERT_EQ(tmp, (long long)r); |
300 | } | |
301 | ||
302 | TEST(SIStrToLL, WithUnits) { | |
1adf2230 AA |
303 | std::map<std::string,long long> units; |
304 | units["K"] = pow(10, 3); | |
305 | units["M"] = pow(10, 6); | |
306 | units["G"] = pow(10, 9); | |
307 | units["T"] = pow(10, 12); | |
308 | units["P"] = pow(10, 15); | |
309 | units["E"] = pow(10, 18); | |
310 | ||
311 | for (std::map<std::string,long long>::iterator p = units.begin(); | |
7c673cae FG |
312 | p != units.end(); ++p) { |
313 | // the upper bound of uint64_t is 2^64 = 4E | |
314 | test_strict_sistrtoll_units("4", p->first, p->second); | |
315 | test_strict_sistrtoll_units("1", p->first, p->second); | |
316 | test_strict_sistrtoll_units("0", p->first, p->second); | |
317 | } | |
318 | } | |
319 | ||
320 | TEST(SIStrToLL, WithoutUnits) { | |
321 | test_strict_sistrtoll("1024"); | |
322 | test_strict_sistrtoll("1152921504606846976"); | |
323 | test_strict_sistrtoll("0"); | |
324 | } | |
325 | ||
326 | static void test_strict_sistrtoll_err(const char *str) | |
327 | { | |
328 | std::string err; | |
329 | strict_sistrtoll(str, &err); | |
330 | ASSERT_NE(err, ""); | |
331 | } | |
332 | ||
333 | TEST(SIStrToLL, Error) { | |
334 | test_strict_sistrtoll_err("1024F"); | |
335 | test_strict_sistrtoll_err("QDDSA"); | |
336 | test_strict_sistrtoll_err("1b"); | |
337 | test_strict_sistrtoll_err("100k"); | |
338 | test_strict_sistrtoll_err("1000m"); | |
339 | test_strict_sistrtoll_err("1g"); | |
340 | test_strict_sistrtoll_err("20t"); | |
341 | test_strict_sistrtoll_err("100p"); | |
342 | test_strict_sistrtoll_err("1000e"); | |
343 | test_strict_sistrtoll_err("B"); | |
344 | test_strict_sistrtoll_err("M"); | |
345 | test_strict_sistrtoll_err("BM"); | |
346 | test_strict_sistrtoll_err("B0wef"); | |
347 | test_strict_sistrtoll_err("0m"); | |
348 | test_strict_sistrtoll_err("-1"); // it returns uint64_t | |
349 | test_strict_sistrtoll_err("-1K"); | |
1adf2230 AA |
350 | test_strict_sistrtoll_err("1Bi"); |
351 | test_strict_sistrtoll_err("Bi"); | |
352 | test_strict_sistrtoll_err("bi"); | |
353 | test_strict_sistrtoll_err("gi"); | |
354 | test_strict_sistrtoll_err("100ki"); | |
355 | test_strict_sistrtoll_err("1000mi"); | |
356 | test_strict_sistrtoll_err("1gi"); | |
357 | test_strict_sistrtoll_err("20ti"); | |
358 | test_strict_sistrtoll_err("100pi"); | |
359 | test_strict_sistrtoll_err("1000ei"); | |
360 | test_strict_sistrtoll_err("1B"); | |
7c673cae FG |
361 | // the upper bound of uint64_t is 2^64 = 4E, so 1024E overflows |
362 | test_strict_sistrtoll_err("1024E"); // overflows after adding the suffix | |
363 | } | |
364 | ||
365 | // since strict_sistrtoll is an alias of strict_si_cast<uint64_t>(), quite a few | |
366 | // of cases are covered by existing test cases of strict_sistrtoll already. | |
367 | TEST(StrictSICast, Error) { | |
368 | { | |
369 | std::string err; | |
370 | // the SI prefix is way too large for `int`. | |
371 | (void)strict_si_cast<int>("2E", &err); | |
372 | ASSERT_NE(err, ""); | |
373 | } | |
374 | { | |
375 | std::string err; | |
376 | (void)strict_si_cast<int>("-2E", &err); | |
377 | ASSERT_NE(err, ""); | |
378 | } | |
379 | { | |
380 | std::string err; | |
381 | (void)strict_si_cast<int>("1T", &err); | |
382 | ASSERT_NE(err, ""); | |
383 | } | |
384 | { | |
385 | std::string err; | |
386 | (void)strict_si_cast<int64_t>("2E", &err); | |
387 | ASSERT_EQ(err, ""); | |
388 | } | |
389 | { | |
390 | std::string err; | |
391 | (void)strict_si_cast<int64_t>("-2E", &err); | |
392 | ASSERT_EQ(err, ""); | |
393 | } | |
394 | { | |
395 | std::string err; | |
396 | (void)strict_si_cast<int64_t>("1T", &err); | |
397 | ASSERT_EQ(err, ""); | |
398 | } | |
399 | } | |
400 | ||
401 | /* | |
402 | * Local Variables: | |
403 | * compile-command: "cd .. ; make unittest_strtol && ./unittest_strtol" | |
404 | * End: | |
405 | */ |