1 //
2 // StringTest.cpp
3 //
4 // Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
5 // and Contributors.
6 //
7 // SPDX-License-Identifier: BSL-1.0
8 //
9
10
11 #include "StringTest.h"
12 #include "CppUnit/TestCaller.h"
13 #include "CppUnit/TestSuite.h"
14 #include "Poco/String.h"
15 #include "Poco/JSONString.h"
16 #include "Poco/Format.h"
17 #include "Poco/MemoryStream.h"
18 #include "Poco/Stopwatch.h"
19 #include "Poco/FPEnvironment.h"
20 #include "Poco/Exception.h"
21 #include <iostream>
22 #include <sstream>
23 #include <iomanip>
24 #include <cstdio>
25 #include <climits>
26 #include <map>
27 #include <set>
28
29
30 using Poco::trimLeft;
31 using Poco::trimLeftInPlace;
32 using Poco::trimRight;
33 using Poco::trimRightInPlace;
34 using Poco::trim;
35 using Poco::trimInPlace;
36 using Poco::toUpper;
37 using Poco::toUpperInPlace;
38 using Poco::toLower;
39 using Poco::toLowerInPlace;
40 using Poco::icompare;
41 using Poco::istring;
42 using Poco::isubstr;
43 using Poco::translate;
44 using Poco::translateInPlace;
45 using Poco::replace;
46 using Poco::replaceInPlace;
47 using Poco::remove;
48 using Poco::removeInPlace;
49 using Poco::cat;
50 using Poco::startsWith;
51 using Poco::endsWith;
52 using Poco::strToInt;
53 using Poco::strToFloat;
54 using Poco::strToDouble;
55 using Poco::intToStr;
56 using Poco::uIntToStr;
57 using Poco::floatToStr;
58 using Poco::doubleToStr;
59 using Poco::thousandSeparator;
60 using Poco::decimalSeparator;
61 using Poco::format;
62 using Poco::toJSON;
63 using Poco::CILess;
64 using Poco::MemoryInputStream;
65 using Poco::Stopwatch;
66 using Poco::RangeException;
67 using Poco::isIntOverflow;
68 using Poco::isSafeIntCast;
69 using Poco::safeIntCast;
70 using Poco::FPEnvironment;
71
72
StringTest(const std::string & rName)73 StringTest::StringTest(const std::string& rName): CppUnit::TestCase(rName)
74 {
75 }
76
77
~StringTest()78 StringTest::~StringTest()
79 {
80 }
81
82
testTrimLeft()83 void StringTest::testTrimLeft()
84 {
85 {
86 std::string s = "abc";
87 assertTrue (trimLeft(s) == "abc");
88 }
89 std::string s = " abc ";
90 assertTrue (trimLeft(s) == "abc ");
91 {
92 std::string s = " ab c ";
93 assertTrue (trimLeft(s) == "ab c ");
94 }
95 }
96
97
testTrimLeftInPlace()98 void StringTest::testTrimLeftInPlace()
99 {
100 {
101 std::string s = "abc";
102 assertTrue (trimLeftInPlace(s) == "abc");
103 }
104 {
105 std::string s = " abc ";
106 assertTrue (trimLeftInPlace(s) == "abc ");
107 }
108 {
109 std::string s = " ab c ";
110 assertTrue (trimLeftInPlace(s) == "ab c ");
111 }
112 }
113
114
testTrimRight()115 void StringTest::testTrimRight()
116 {
117 {
118 std::string s = "abc";
119 assertTrue (trimRight(s) == "abc");
120 }
121 {
122 std::string s = " abc ";
123 assertTrue (trimRight(s) == " abc");
124 }
125 {
126 std::string s = " ab c ";
127 assertTrue (trimRight(s) == " ab c");
128 }
129 }
130
131
testTrimRightInPlace()132 void StringTest::testTrimRightInPlace()
133 {
134 {
135 std::string s = "abc";
136 assertTrue (trimRightInPlace(s) == "abc");
137 }
138 {
139 std::string s = " abc ";
140 assertTrue (trimRightInPlace(s) == " abc");
141 }
142 {
143 std::string s = " ab c ";
144 assertTrue (trimRightInPlace(s) == " ab c");
145 }
146 }
147
148
testTrim()149 void StringTest::testTrim()
150 {
151 {
152 std::string s = "abc";
153 assertTrue (trim(s) == "abc");
154 }
155 {
156 std::string s = "abc ";
157 assertTrue (trim(s) == "abc");
158 }
159 {
160 std::string s = " ab c ";
161 assertTrue (trim(s) == "ab c");
162 }
163 }
164
165
testTrimInPlace()166 void StringTest::testTrimInPlace()
167 {
168 {
169 std::string s = "abc";
170 assertTrue (trimInPlace(s) == "abc");
171 }
172 {
173 std::string s = " abc ";
174 assertTrue (trimInPlace(s) == "abc");
175 }
176 {
177 std::string s = " ab c ";
178 assertTrue (trimInPlace(s) == "ab c");
179 }
180 }
181
182
testToUpper()183 void StringTest::testToUpper()
184 {
185 {
186 std::string s = "abc";
187 assertTrue (toUpper(s) == "ABC");
188 }
189 {
190 std::string s = "Abc";
191 assertTrue (toUpper(s) == "ABC");
192 }
193 {
194 std::string s = "abc";
195 assertTrue (toUpperInPlace(s) == "ABC");
196 }
197 {
198 std::string s = "Abc";
199 assertTrue (toUpperInPlace(s) == "ABC");
200 }
201 }
202
203
testToLower()204 void StringTest::testToLower()
205 {
206 {
207 std::string s = "ABC";
208 assertTrue (toLower(s) == "abc");
209 }
210 {
211 std::string s = "aBC";
212 assertTrue (toLower(s) == "abc");
213 }
214 {
215 std::string s = "ABC";
216 assertTrue (toLowerInPlace(s) == "abc");
217 }
218 {
219 std::string s = "aBC";
220 assertTrue (toLowerInPlace(s) == "abc");
221 }
222 }
223
224
testIstring()225 void StringTest::testIstring()
226 {
227 istring is1 = "AbC";
228 istring is2 = "aBc";
229 assertTrue (is1 == is2);
230
231 const char c1[] = { 'G', 0, (char) 0xFC, 'n', 't', 'e', 'r', '\0' };
232 const char c2[] = { 'g', 0, (char) 0xDC, 'N', 'T', 'E', 'R', '\0' };
233 is1 = c1;
234 is2 = c2;
235 assertTrue (is1 == is2);
236 is1[0] = 'f';
237 assertTrue (is1 < is2);
238 is1[0] = 'F';
239 assertTrue (is1 < is2);
240 is1[0] = 'H';
241 assertTrue (is1 > is2);
242 is1[0] = 'h';
243 assertTrue (is1 > is2);
244
245 is1 = "aAaBbBcCc";
246 is2 = "bbb";
247 assertTrue (isubstr(is1, is2) == 3);
248 is2 = "bC";
249 assertTrue (isubstr(is1, is2) == 5);
250 is2 = "xxx";
251 assertTrue (isubstr(is1, is2) == istring::npos);
252 }
253
254
testIcompare()255 void StringTest::testIcompare()
256 {
257 std::string s1 = "AAA";
258 std::string s2 = "aaa";
259 std::string s3 = "bbb";
260 std::string s4 = "cCcCc";
261 std::string s5;
262 assertTrue (icompare(s1, s2) == 0);
263 assertTrue (icompare(s1, s3) < 0);
264 assertTrue (icompare(s1, s4) < 0);
265 assertTrue (icompare(s3, s1) > 0);
266 assertTrue (icompare(s4, s2) > 0);
267 assertTrue (icompare(s2, s4) < 0);
268 assertTrue (icompare(s1, s5) > 0);
269 assertTrue (icompare(s5, s4) < 0);
270
271 std::string ss1 = "xxAAAzz";
272 std::string ss2 = "YaaaX";
273 std::string ss3 = "YbbbX";
274 assertTrue (icompare(ss1, 2, 3, ss2, 1, 3) == 0);
275 assertTrue (icompare(ss1, 2, 3, ss3, 1, 3) < 0);
276 assertTrue (icompare(ss1, 2, 3, ss2, 1) == 0);
277 assertTrue (icompare(ss1, 2, 3, ss3, 1) < 0);
278 assertTrue (icompare(ss1, 2, 2, ss2, 1, 3) < 0);
279 assertTrue (icompare(ss1, 2, 2, ss2, 1, 2) == 0);
280 assertTrue (icompare(ss3, 1, 3, ss1, 2, 3) > 0);
281
282 assertTrue (icompare(s1, s2.c_str()) == 0);
283 assertTrue (icompare(s1, s3.c_str()) < 0);
284 assertTrue (icompare(s1, s4.c_str()) < 0);
285 assertTrue (icompare(s3, s1.c_str()) > 0);
286 assertTrue (icompare(s4, s2.c_str()) > 0);
287 assertTrue (icompare(s2, s4.c_str()) < 0);
288 assertTrue (icompare(s1, s5.c_str()) > 0);
289 assertTrue (icompare(s5, s4.c_str()) < 0);
290
291 assertTrue (icompare(ss1, 2, 3, "aaa") == 0);
292 assertTrue (icompare(ss1, 2, 2, "aaa") < 0);
293 assertTrue (icompare(ss1, 2, 3, "AAA") == 0);
294 assertTrue (icompare(ss1, 2, 2, "bb") < 0);
295
296 assertTrue (icompare(ss1, 2, "aaa") > 0);
297 }
298
299
testCILessThan()300 void StringTest::testCILessThan()
301 {
302 typedef std::map<std::string, int, CILess> CIMapType;
303 CIMapType ciMap;
304
305 ciMap["z"] = 1;
306 ciMap["b"] = 2;
307 ciMap["A"] = 3;
308 ciMap["Z"] = 4;
309
310 assertTrue (ciMap.size() == 3);
311 CIMapType::iterator it = ciMap.begin();
312 assertTrue (it->first == "A"); ++it;
313 assertTrue (it->first == "b"); ++it;
314 assertTrue (it->first == "z");
315 assertTrue (it->second == 4);
316
317 typedef std::set<std::string, CILess> CISetType;
318
319 CISetType ciSet;
320 ciSet.insert("z");
321 ciSet.insert("b");
322 ciSet.insert("A");
323 ciSet.insert("Z");
324
325 assertTrue (ciSet.size() == 3);
326 CISetType::iterator sIt = ciSet.begin();
327 assertTrue (*sIt == "A"); ++sIt;
328 assertTrue (*sIt == "b"); ++sIt;
329 assertTrue (*sIt == "z");
330 }
331
332
testTranslate()333 void StringTest::testTranslate()
334 {
335 std::string s = "aabbccdd";
336 assertTrue (translate(s, "abc", "ABC") == "AABBCCdd");
337 assertTrue (translate(s, "abc", "AB") == "AABBdd");
338 assertTrue (translate(s, "abc", "") == "dd");
339 assertTrue (translate(s, "cba", "CB") == "BBCCdd");
340 assertTrue (translate(s, "", "CB") == "aabbccdd");
341 }
342
343
testTranslateInPlace()344 void StringTest::testTranslateInPlace()
345 {
346 std::string s = "aabbccdd";
347 translateInPlace(s, "abc", "ABC");
348 assertTrue (s == "AABBCCdd");
349 }
350
351
testReplace()352 void StringTest::testReplace()
353 {
354 std::string s("aabbccdd");
355
356 assertTrue (replace(s, std::string("aa"), std::string("xx")) == "xxbbccdd");
357 assertTrue (replace(s, std::string("bb"), std::string("xx")) == "aaxxccdd");
358 assertTrue (replace(s, std::string("dd"), std::string("xx")) == "aabbccxx");
359 assertTrue (replace(s, std::string("bbcc"), std::string("xx")) == "aaxxdd");
360 assertTrue (replace(s, std::string("b"), std::string("xx")) == "aaxxxxccdd");
361 assertTrue (replace(s, std::string("bb"), std::string("")) == "aaccdd");
362 assertTrue (replace(s, std::string("b"), std::string("")) == "aaccdd");
363 assertTrue (replace(s, std::string("ee"), std::string("xx")) == "aabbccdd");
364 assertTrue (replace(s, std::string("dd"), std::string("")) == "aabbcc");
365
366 assertTrue (replace(s, "aa", "xx") == "xxbbccdd");
367 assertTrue (replace(s, "bb", "xx") == "aaxxccdd");
368 assertTrue (replace(s, "dd", "xx") == "aabbccxx");
369 assertTrue (replace(s, "bbcc", "xx") == "aaxxdd");
370 assertTrue (replace(s, "bb", "") == "aaccdd");
371 assertTrue (replace(s, "b", "") == "aaccdd");
372 assertTrue (replace(s, "ee", "xx") == "aabbccdd");
373 assertTrue (replace(s, "dd", "") == "aabbcc");
374
375 s = "aabbaabb";
376 assertTrue (replace(s, std::string("aa"), std::string("")) == "bbbb");
377 assertTrue (replace(s, std::string("a"), std::string("")) == "bbbb");
378 assertTrue (replace(s, std::string("a"), std::string("x")) == "xxbbxxbb");
379 assertTrue (replace(s, std::string("a"), std::string("xx")) == "xxxxbbxxxxbb");
380 assertTrue (replace(s, std::string("aa"), std::string("xxx")) == "xxxbbxxxbb");
381
382 assertTrue (replace(s, std::string("aa"), std::string("xx"), 2) == "aabbxxbb");
383
384 assertTrue (replace(s, "aa", "") == "bbbb");
385 assertTrue (replace(s, "a", "") == "bbbb");
386 assertTrue (replace(s, "a", "x") == "xxbbxxbb");
387 assertTrue (replace(s, "a", "xx") == "xxxxbbxxxxbb");
388 assertTrue (replace(s, "aa", "xxx") == "xxxbbxxxbb");
389
390 assertTrue (replace(s, "aa", "xx", 2) == "aabbxxbb");
391 assertTrue (replace(s, 'a', 'x', 2) == "aabbxxbb");
392 assertTrue (remove(s, 'a', 2) == "aabbbb");
393 assertTrue (remove(s, 'a') == "bbbb");
394 assertTrue (remove(s, 'b', 2) == "aaaa");
395 }
396
397
testReplaceInPlace()398 void StringTest::testReplaceInPlace()
399 {
400 std::string s("aabbccdd");
401
402 replaceInPlace(s, std::string("aa"), std::string("xx"));
403 assertTrue (s == "xxbbccdd");
404
405 s = "aabbccdd";
406 replaceInPlace(s, 'a', 'x');
407 assertTrue (s == "xxbbccdd");
408 replaceInPlace(s, 'x');
409 assertTrue (s == "bbccdd");
410 removeInPlace(s, 'b', 1);
411 assertTrue (s == "bccdd");
412 removeInPlace(s, 'd');
413 assertTrue (s == "bcc");
414 }
415
416
testCat()417 void StringTest::testCat()
418 {
419 std::string s1("one");
420 std::string s2("two");
421 std::string s3("three");
422 std::string s4("four");
423 std::string s5("five");
424 std::string s6("six");
425
426 assertTrue (cat(s1, s2) == "onetwo");
427 assertTrue (cat(s1, s2, s3) == "onetwothree");
428 assertTrue (cat(s1, s2, s3, s4) == "onetwothreefour");
429 assertTrue (cat(s1, s2, s3, s4, s5) == "onetwothreefourfive");
430 assertTrue (cat(s1, s2, s3, s4, s5, s6) == "onetwothreefourfivesix");
431
432 std::vector<std::string> vec;
433 assertTrue (cat(std::string(), vec.begin(), vec.end()) == "");
434 assertTrue (cat(std::string(","), vec.begin(), vec.end()) == "");
435 vec.push_back(s1);
436 assertTrue (cat(std::string(","), vec.begin(), vec.end()) == "one");
437 vec.push_back(s2);
438 assertTrue (cat(std::string(","), vec.begin(), vec.end()) == "one,two");
439 vec.push_back(s3);
440 assertTrue (cat(std::string(","), vec.begin(), vec.end()) == "one,two,three");
441 }
442
443
testStartsWith()444 void StringTest::testStartsWith()
445 {
446 std::string s1("o");
447
448 assertTrue (startsWith(s1, std::string("o")));
449 assertTrue (startsWith(s1, std::string("")));
450
451 assertTrue (!startsWith(s1, std::string("O")));
452 assertTrue (!startsWith(s1, std::string("1")));
453
454 std::string s2("");
455
456 assertTrue (startsWith(s2, std::string("")));
457
458 assertTrue (!startsWith(s2, std::string("o")));
459
460 std::string s3("oO");
461
462 assertTrue (startsWith(s3, std::string("o")));
463
464 assertTrue (!startsWith(s3, std::string(" o")));
465 }
466
467
testEndsWith()468 void StringTest::testEndsWith()
469 {
470 std::string s1("o");
471
472 assertTrue (endsWith(s1, std::string("o")));
473 assertTrue (endsWith(s1, std::string("")));
474
475 assertTrue (!endsWith(s1, std::string("O")));
476 assertTrue (!endsWith(s1, std::string("1")));
477
478
479 std::string s2("");
480
481 assertTrue (endsWith(s2, std::string("")));
482
483 assertTrue (!endsWith(s2, std::string("o")));
484
485 std::string s3("Oo");
486
487 assertTrue (endsWith(s3, std::string("o")));
488
489 assertTrue (!endsWith(s3, std::string("o ")));
490 }
491
492
testStringToInt()493 void StringTest::testStringToInt()
494 {
495 //gcc on Mac emits warnings that cannot be suppressed
496 #ifndef POCO_OS_FAMILY_BSD
497 stringToInt<Poco::Int8>();
498 stringToInt<Poco::UInt8>();
499 stringToInt<Poco::Int16>();
500 stringToInt<Poco::UInt16>();
501 #endif
502 stringToInt<Poco::Int32>();
503 stringToInt<Poco::UInt32>();
504 #if defined(POCO_HAVE_INT64)
505 stringToInt<Poco::Int64>();
506 stringToInt<Poco::UInt64>();
507 #endif
508 }
509
510
testStringToFloat()511 void StringTest::testStringToFloat()
512 {
513 float result;
514 std::string sep(".,");
515
516 for (int i = 0; i < 2; ++i)
517 {
518 char ds = sep[i];
519 for (int j = 0; j < 2; ++j)
520 {
521 char ts = sep[j];
522 if (ts == ds) continue;
523
524 assertTrue (strToFloat("1", result, ds, ts));
525 assertEqualDelta(1.0, result, 0.01);
526 assertTrue (strToFloat(format("%c1", ds), result, ds, ts));
527 assertEqualDelta(.1, result, 0.01);
528 assertTrue (strToFloat(format("1%c", ds), result, ds, ts));
529 assertEqualDelta(1., result, 0.01);
530 assertTrue (strToFloat("0", result, ds, ts));
531 assertEqualDelta(0.0, result, 0.01);
532 assertTrue (strToFloat(format("0%c", ds), result, ds, ts));
533 assertEqualDelta(0.0, result, 0.01);
534 assertTrue (strToFloat(format("%c0", ds), result, ds, ts));
535 assertEqualDelta(0.0, result, 0.01);
536 assertTrue (strToFloat(format("0%c0", ds), result, ds, ts));
537 assertEqualDelta(0.0, result, 0.01);
538 assertTrue (strToFloat(format("0%c0", ds), result, ds, ts));
539 assertEqualDelta(0., result, 0.01);
540 assertTrue (strToFloat(format("0%c0", ds), result, ds, ts));
541 assertEqualDelta(.0, result, 0.01);
542 assertTrue (strToFloat(format("12%c34", ds), result, ds, ts));
543 assertEqualDelta(12.34, result, 0.01);
544 assertTrue (strToFloat(format("12%c34", ds), result, ds, ts));
545 assertEqualDelta(12.34, result, 0.01);
546 assertTrue (strToFloat(format("-12%c34", ds), result, ds, ts));
547 assertEqualDelta(-12.34, result, 0.01);
548 assertTrue (strToFloat(format("%c34", ds), result, ds, ts));
549 assertEqualDelta(.34, result, 0.01);
550 assertTrue (strToFloat(format("-%c34", ds), result, ds, ts));
551 assertEqualDelta(-.34, result, 0.01);
552 assertTrue (strToFloat(format("12%c", ds), result, ds, ts));
553 assertEqualDelta(12., result, 0.01);
554 assertTrue (strToFloat(format("-12%c", ds), result, ds, ts));
555 assertEqualDelta(-12., result, 0.01);
556 assertTrue (strToFloat("12", result, ds, ts));
557 assertEqualDelta(12, result, 0.01);
558 assertTrue (strToFloat("-12", result, ds, ts));
559 assertEqualDelta(-12, result, 0.01);
560 assertTrue (strToFloat(format("12%c34", ds), result, ds, ts));
561 assertEqualDelta(12.34, result, 0.01);
562
563 assertTrue (strToFloat(format("1%c234%c34", ts, ds), result, ds, ts));
564 assertEqualDelta(1234.34, result, 0.01);
565 assertTrue (strToFloat(format("12%c345%c34", ts, ds), result, ds, ts));
566 assertEqualDelta(12345.34, result, 0.01);
567 assertTrue (strToFloat(format("123%c456%c34", ts, ds), result, ds, ts));
568 assertEqualDelta(123456.34, result, 0.01);
569 assertTrue (strToFloat(format("1%c234%c567%c34", ts, ts, ds), result, ds, ts));
570
571 if ((std::numeric_limits<double>::max() / 10) < 1.23456e10)
572 fail ("test value larger than max value for this platform");
573 else
574 {
575 float d = 12e34f;
576 assertTrue (strToFloat(format("12e34", ds), result, ds, ts));
577 assertEqualDelta(d, result, 0.01e34);
578
579 d = 1.234e30f;
580 assertTrue (strToFloat(format("1%c234e30", ds), result, ds, ts));
581 assertEqualDelta(d, result, 0.01);
582 assertTrue (strToFloat(format("1%c234E+30", ds), result, ds, ts));
583 assertEqualDelta(d, result, 0.01);
584 }
585
586 float d = 12.34e-10f;
587 assertTrue (strToFloat(format("12%c34e-10", ds), result, ds, ts));
588 assertEqualDelta(d, result, 0.01);
589 assertTrue (strToFloat(format("-12%c34", ds), result, ds, ts));
590 assertEqualDelta(-12.34, result, 0.01);
591
592 assertTrue (strToFloat(format(" 12%c34", ds), result, ds, ts));
593 assertEqualDelta(12.34, result, 0.01);
594 assertTrue (strToFloat(format("12%c34 ", ds), result, ds, ts));
595 assertEqualDelta(12.34, result, 0.01);
596 assertTrue (strToFloat(format(" 12%c34 ", ds), result, ds, ts));
597 assertEqualDelta(12.34, result, 0.01);
598 }
599 }
600
601 assertTrue (FPEnvironment::isNaN(strToFloat("nan")));
602 assertTrue (FPEnvironment::isNaN(strToFloat("xNaNy")));
603 assertTrue (!FPEnvironment::isNaN(strToFloat("inf")));
604 assertTrue (!FPEnvironment::isNaN(strToFloat("-inf")));
605 assertTrue (FPEnvironment::isNaN(strToFloat("infinity")));
606 assertTrue (!FPEnvironment::isNaN(strToFloat("infinity", "infinity")));
607 assertTrue (!FPEnvironment::isNaN(strToFloat("-infinity", "infinity")));
608 assertTrue (!FPEnvironment::isNaN(strToFloat("1.23")));
609 assertTrue (FPEnvironment::isNaN(strToFloat("Inf")));
610 assertTrue (!FPEnvironment::isNaN(strToFloat("Inf", "Inf")));
611
612 assertTrue (FPEnvironment::isInfinite(strToFloat("inf")));
613 assertTrue (FPEnvironment::isInfinite(strToFloat("-inf")));
614 assertTrue (FPEnvironment::isInfinite(strToFloat("infinity", "infinity")));
615 assertTrue (FPEnvironment::isInfinite(strToFloat("-infinity", "infinity")));
616 assertTrue (!FPEnvironment::isInfinite(strToFloat("1.23")));
617 assertTrue (!FPEnvironment::isInfinite(strToFloat("abc")));
618 assertTrue (FPEnvironment::isInfinite(strToFloat("Inf", "Inf")));
619 }
620
621
testStringToDouble()622 void StringTest::testStringToDouble()
623 {
624 double result;
625 std::string sep(".,");
626
627 for (int i = 0; i < 2; ++i)
628 {
629 char ds = sep[i];
630 for (int j = 0; j < 2; ++j)
631 {
632 char ts = sep[j];
633 if (ts == ds) continue;
634
635 assertTrue (strToDouble("1", result, ds, ts));
636 assertEqualDelta(1.0, result, 0.01);
637 assertTrue (strToDouble(format("%c1", ds), result, ds, ts));
638 assertEqualDelta(.1, result, 0.01);
639 assertTrue (strToDouble(format("1%c", ds), result, ds, ts));
640 assertEqualDelta(1., result, 0.01);
641 assertTrue (strToDouble("0", result, ds, ts));
642 assertEqualDelta(0.0, result, 0.01);
643 assertTrue (strToDouble(format("0%c", ds), result, ds, ts));
644 assertEqualDelta(0.0, result, 0.01);
645 assertTrue (strToDouble(format("%c0", ds), result, ds, ts));
646 assertEqualDelta(0.0, result, 0.01);
647 assertTrue (strToDouble(format("0%c0", ds), result, ds, ts));
648 assertEqualDelta(0.0, result, 0.01);
649 assertTrue (strToDouble(format("0%c0", ds), result, ds, ts));
650 assertEqualDelta(0., result, 0.01);
651 assertTrue (strToDouble(format("0%c0", ds), result, ds, ts));
652 assertEqualDelta(.0, result, 0.01);
653 assertTrue (strToDouble(format("12%c34", ds), result, ds, ts));
654 assertEqualDelta(12.34, result, 0.01);
655 assertTrue (strToDouble(format("12%c34", ds), result, ds, ts));
656 assertEqualDelta(12.34, result, 0.01);
657 assertTrue (strToDouble(format("-12%c34", ds), result, ds, ts));
658 assertEqualDelta(-12.34, result, 0.01);
659 assertTrue (strToDouble(format("%c34", ds), result, ds, ts));
660 assertEqualDelta(.34, result, 0.01);
661 assertTrue (strToDouble(format("-%c34", ds), result, ds, ts));
662 assertEqualDelta(-.34, result, 0.01);
663 assertTrue (strToDouble(format("12%c", ds), result, ds, ts));
664 assertEqualDelta(12., result, 0.01);
665 assertTrue (strToDouble(format("-12%c", ds), result, ds, ts));
666 assertEqualDelta(-12., result, 0.01);
667 assertTrue (strToDouble("12", result, ds, ts));
668 assertEqualDelta(12, result, 0.01);
669 assertTrue (strToDouble("-12", result, ds, ts));
670 assertEqualDelta(-12, result, 0.01);
671 assertTrue (strToDouble(format("12%c3456789012345678901234567890", ds), result, ds, ts));
672 assertEqualDelta(12.34, result, 0.01);
673
674 assertTrue (strToDouble("1234345", result, ds, ts));
675 assertEqualDelta(1234345, result, 0.00000001);
676 assertTrue (strToDouble(format("1%c234%c345", ts, ts), result, ds, ts));
677 assertEqualDelta(1234345, result, 0.00000001);
678 assertTrue (strToDouble(format("1%c234%c3456789012345678901234567890", ts, ds), result, ds, ts));
679 assertEqualDelta(1234.3456789, result, 0.00000001);
680 assertTrue (strToDouble(format("12%c345%c3456789012345678901234567890", ts, ds), result, ds, ts));
681 assertEqualDelta(12345.3456789, result, 0.00000001);
682 assertTrue (strToDouble(format("123%c456%c3456789012345678901234567890", ts, ds), result, ds, ts));
683 assertEqualDelta(123456.3456789, result, 0.00000001);
684 assertTrue (strToDouble(format("1%c234%c567%c3456789012345678901234567890", ts, ts, ds), result, ds, ts));
685 assertEqualDelta(1234567.3456789, result, 0.00000001);
686 assertTrue (strToDouble(format("12%c345%c678%c3456789012345678901234567890", ts, ts, ds), result, ds, ts));
687 assertEqualDelta(12345678.3456789, result, 0.00000001);
688 assertTrue (strToDouble(format("123%c456%c789%c3456789012345678901234567890", ts, ts, ds), result, ds, ts));
689 assertEqualDelta(123456789.3456789, result, 0.00000001);
690
691 if ((std::numeric_limits<double>::max() / 10) < 1.23456e10)
692 fail ("test value larger than max value for this platform");
693 else
694 {
695 double d = 12e34;
696 assertTrue (strToDouble(format("12e34", ds), result, ds, ts));
697 assertEqualDelta(d, result, 0.01e34);
698
699 d = 1.234e100;
700 assertTrue (strToDouble(format("1%c234e100", ds), result, ds, ts));
701 assertEqualDelta(d, result, 0.01);
702 assertTrue (strToDouble(format("1%c234E+100", ds), result, ds, ts));
703 assertEqualDelta(d, result, 0.01);
704
705 d = 1.234e-100;
706 assertTrue (strToDouble(format("1%c234E-100", ds), result, ds, ts));
707 assertEqualDelta(d, result, 0.01);
708
709 d = -1.234e100;
710 assertTrue (strToDouble(format("-1%c234e+100", ds), result, ds, ts));
711 assertEqualDelta(d, result, 0.01);
712 assertTrue (strToDouble(format("-1%c234E100", ds), result, ds, ts));
713 assertEqualDelta(d, result, 0.01);
714
715 d = 1.234e-100;
716 assertTrue (strToDouble(format(" 1%c234e-100 ", ds), result, ds, ts));
717 assertEqualDelta(d, result, 0.01);
718 assertTrue (strToDouble(format(" 1%c234e-100 ", ds), result, ds, ts));
719 assertEqualDelta(d, result, 0.01);
720 assertTrue (strToDouble(format(" 1%c234e-100 ", ds), result, ds, ts));
721 assertEqualDelta(d, result, 0.01);
722
723 d = 1234.234e-100;
724 assertTrue (strToDouble(format(" 1%c234%c234e-100 ", ts, ds), result, ds, ts));
725 assertEqualDelta(d, result, 0.01);
726 d = 12345.234e-100;
727 assertTrue (strToDouble(format(" 12%c345%c234e-100 ", ts, ds), result, ds, ts));
728 assertEqualDelta(d, result, 0.01);
729 d = 123456.234e-100;
730 assertTrue (strToDouble(format(" 123%c456%c234e-100 ", ts, ds), result, ds, ts));
731 assertEqualDelta(d, result, 0.01);
732
733 d = -1234.234e-100;
734 assertTrue (strToDouble(format(" -1%c234%c234e-100 ", ts, ds), result, ds, ts));
735 assertEqualDelta(d, result, 0.01);
736 d = -12345.234e-100;
737 assertTrue (strToDouble(format(" -12%c345%c234e-100 ", ts, ds), result, ds, ts));
738 assertEqualDelta(d, result, 0.01);
739 d = -123456.234e-100;
740 char ou = 0;
741 assertTrue (strToDouble(format(" -123%c456%c234e-100 ", ts, ds), result, ds, ts));
742 assertEqualDelta(d, result, 0.01);
743 assertTrue (ou == 0);
744 }
745
746 double d = 12.34e-10;
747 assertTrue (strToDouble(format("12%c34e-10", ds), result, ds, ts));
748 assertEqualDelta(d, result, 0.01);
749 assertTrue (strToDouble(format("-12%c34", ds), result, ds, ts));
750 assertEqualDelta(-12.34, result, 0.01);
751
752 assertTrue (strToDouble(format(" 12%c34", ds), result, ds, ts));
753 assertEqualDelta(12.34, result, 0.01);
754 assertTrue (strToDouble(format("12%c34 ", ds), result, ds, ts));
755 assertEqualDelta(12.34, result, 0.01);
756 assertTrue (strToDouble(format(" 12%c34 ", ds), result, ds, ts));
757 assertEqualDelta(12.34, result, 0.01);
758 }
759 }
760
761 assertTrue (FPEnvironment::isNaN(strToDouble("nan")));
762 assertTrue (FPEnvironment::isNaN(strToDouble("xNaNy")));
763 assertTrue (!FPEnvironment::isNaN(strToDouble("inf")));
764 assertTrue (!FPEnvironment::isNaN(strToDouble("-inf")));
765 assertTrue (FPEnvironment::isNaN(strToDouble("infinity")));
766 assertTrue (!FPEnvironment::isNaN(strToDouble("infinity", "infinity")));
767 assertTrue (!FPEnvironment::isNaN(strToDouble("-infinity", "infinity")));
768 assertTrue (!FPEnvironment::isNaN(strToDouble("1.23")));
769 assertTrue (FPEnvironment::isNaN(strToDouble("Inf")));
770 assertTrue (!FPEnvironment::isNaN(strToDouble("Inf", "Inf")));
771
772 assertTrue (FPEnvironment::isInfinite(strToDouble("inf")));
773 assertTrue (FPEnvironment::isInfinite(strToDouble("-inf")));
774 assertTrue (FPEnvironment::isInfinite(strToDouble("infinity", "infinity")));
775 assertTrue (FPEnvironment::isInfinite(strToDouble("-infinity", "infinity")));
776 assertTrue (!FPEnvironment::isInfinite(strToDouble("1.23")));
777 assertTrue (!FPEnvironment::isInfinite(strToDouble("abc")));
778 assertTrue (FPEnvironment::isInfinite(strToDouble("Inf", "Inf")));
779 }
780
781
testNumericStringPadding()782 void StringTest::testNumericStringPadding()
783 {
784 std::string str;
785 assertTrue (floatToStr(str, 0.999f, 2, 4) == "1.00");
786 assertTrue (floatToStr(str, 0.945f, 2, 4) == "0.95");
787 assertTrue (floatToStr(str, 0.944f, 2, 4) == "0.94");
788 assertTrue (floatToStr(str, 12.45f, 2, 5) == "12.45");
789 assertTrue (floatToStr(str, 12.45f, 1, 4) == "12.5");
790 assertTrue (floatToStr(str, 12.45f, 2, 6) == " 12.45");
791 assertTrue (floatToStr(str, 12.455f, 3, 7) == " 12.455");
792 assertTrue (floatToStr(str, 12.455f, 2, 6) == " 12.46");
793 assertTrue (floatToStr(str, 1.23556E-16f, 2, 6) == "1.24e-16");
794
795 assertTrue (doubleToStr(str, 0.999, 2, 4) == "1.00");
796 assertTrue (doubleToStr(str, 0.945, 2, 4) == "0.95");
797 assertTrue (doubleToStr(str, 0.944, 2, 4) == "0.94");
798 assertTrue (doubleToStr(str, 12.45, 2, 5) == "12.45");
799 assertTrue (doubleToStr(str, 12.45, 1, 4) == "12.5");
800 assertTrue (doubleToStr(str, 12.45, 2, 6) == " 12.45");
801 assertTrue (doubleToStr(str, 12.455, 3, 7) == " 12.455");
802 assertTrue (doubleToStr(str, 12.455, 2, 6) == " 12.46");
803 assertTrue (doubleToStr(str, 1.23556E-16, 2, 6) == "1.24e-16");
804 }
805
testStringToFloatError()806 void StringTest::testStringToFloatError()
807 {
808 char ds = decimalSeparator();
809 if (ds == 0) ds = '.';
810 char ts = thousandSeparator();
811 if (ts == 0) ts = ',';
812 assertTrue (ds != ts);
813
814 double result = 0.0;
815 assertTrue (!strToDouble(format("a12%c3", ds), result));
816 assertTrue (!strToDouble(format("1b2%c3", ds), result));
817 assertTrue (!strToDouble(format("12c%c3", ds), result));
818 assertTrue (!strToDouble(format("12%cx3", ds), result));
819
820 assertTrue (!strToDouble(format("123%c456%c234e1000000", ts, ds), result));
821 assertTrue (!strToDouble(format("123%c456%c234e+1000000", ts, ds), result));
822 //assertTrue (!strToDouble(0, result, ou)); // strToDouble is resilient to null pointers
823 assertTrue (!strToDouble("", result));
824 }
825
826
testNumericLocale()827 void StringTest::testNumericLocale()
828 {
829 #if !defined(POCO_NO_LOCALE) && POCO_OS == POCO_OS_WINDOWS_NT
830 try
831 {
832 char buffer[POCO_MAX_FLT_STRING_LEN];
833
834 char dp = decimalSeparator();
835 char ts = thousandSeparator();
836 std::locale loc;
837 std::cout << "Original locale: '" << loc.name() << '\'' << std::endl;
838 std::cout << "Decimal point: '" << decimalSeparator() << '\'' << std::endl;
839 std::cout << "Thousand separator: '" << ts << '\'' << std::endl;
840 doubleToStr(buffer, POCO_MAX_FLT_STRING_LEN, 1.23);
841 assertTrue (std::strncmp(buffer, "1.23", 4) == 0);
842 std::cout << "1.23 == '" << buffer << '\'' << std::endl;
843
844 std::locale::global(std::locale("German"));
845 std::locale locGerman;
846 assertTrue (',' == decimalSeparator());
847 assertTrue ('.' == thousandSeparator());
848 std::cout << "New locale: '" << locGerman.name() << '\'' << std::endl;
849 std::cout << "Decimal point: '" << decimalSeparator() << '\'' << std::endl;
850 std::cout << "Thousand separator: '" << thousandSeparator() << '\'' << std::endl;
851 doubleToStr(buffer, POCO_MAX_FLT_STRING_LEN, 1.23);
852 assertTrue (std::strncmp(buffer, "1.23", 4) == 0);
853 std::cout << "1.23 == '" << buffer << '\'' << std::endl;
854
855 std::locale::global(std::locale("US"));
856 std::locale locUS;
857 assertTrue ('.' == decimalSeparator());
858 assertTrue (',' == thousandSeparator());
859 std::cout << "New locale: '" << locUS.name() << '\'' << std::endl;
860 std::cout << "Decimal point: '" << decimalSeparator() << '\'' << std::endl;
861 std::cout << "Thousand separator: '" << thousandSeparator() << '\'' << std::endl;
862 doubleToStr(buffer, POCO_MAX_FLT_STRING_LEN, 1.23);
863 assertTrue (std::strncmp(buffer, "1.23", 4) == 0);
864 std::cout << "1.23 == '" << buffer << '\'' << std::endl;
865
866 std::locale::global(loc);
867 dp = decimalSeparator();
868 ts = thousandSeparator();
869 std::cout << "Final locale: '" << loc.name() << '\'' << std::endl;
870 std::cout << "Decimal point: '" << decimalSeparator() << '\'' << std::endl;
871 std::cout << "Thousand separator: '" << thousandSeparator() << '\'' << std::endl;
872 doubleToStr(buffer, POCO_MAX_FLT_STRING_LEN, 1.23);
873 assertTrue (std::strncmp(buffer, "1.23", 4) == 0);
874 std::cout << "1.23 == '" << buffer << '\'' << std::endl;
875
876 assertTrue (dp == decimalSeparator());
877 assertTrue (ts == thousandSeparator());
878 } catch (std::runtime_error& ex)
879 {
880 std::cout << ex.what() << std::endl;
881 warnmsg ("Locale not found, skipping test");
882 }
883 #endif
884 }
885
886
benchmarkStrToInt()887 void StringTest::benchmarkStrToInt()
888 {
889 Poco::Stopwatch sw;
890 std::string num = "123456789";
891 int res;
892 sw.start();
893 for (int i = 0; i < 1000000; ++i) parseStream(num, res);
894 sw.stop();
895 std::cout << "parseStream Number: " << res << std::endl;
896 double timeStream = sw.elapsed() / 1000.0;
897
898 char* pC = 0;
899 sw.restart();
900 for (int i = 0; i < 1000000; ++i) res = std::strtol(num.c_str(), &pC, 10);
901 sw.stop();
902 std::cout << "std::strtol Number: " << res << std::endl;
903 double timeStrtol = sw.elapsed() / 1000.0;
904
905 sw.restart();
906 for (int i = 0; i < 1000000; ++i) strToInt(num.c_str(), res, 10);
907 sw.stop();
908 std::cout << "strToInt Number: " << res << std::endl;
909 double timeStrToInt = sw.elapsed() / 1000.0;
910
911 sw.restart();
912 for (int i = 0; i < 1000000; ++i) std::sscanf(num.c_str(), "%d", &res);
913 sw.stop();
914 std::cout << "sscanf Number: " << res << std::endl;
915 double timeScanf = sw.elapsed() / 1000.0;
916
917 int graph;
918 std::cout << std::endl << "Timing and speedup relative to I/O stream:" << std::endl << std::endl;
919 std::cout << std::setw(14) << "Stream:\t" << std::setw(10) << std::setfill(' ') << timeStream << "[ms]" << std::endl;
920
921 std::cout << std::setw(14) << "std::strtol:\t" << std::setw(10) << std::setfill(' ') << timeStrtol << "[ms]" <<
922 std::setw(10) << std::setfill(' ') << "Speedup: " << (timeStream / timeStrtol) << '\t' ;
923 graph = (int) (timeStream / timeStrtol); for (int i = 0; i < graph; ++i) std::cout << '|';
924
925 std::cout << std::endl << std::setw(14) << "strToInt:\t" << std::setw(10) << std::setfill(' ') << timeStrToInt << "[ms]" <<
926 std::setw(10) << std::setfill(' ') << "Speedup: " << (timeStream / timeStrToInt) << '\t' ;
927 graph = (int) (timeStream / timeStrToInt); for (int i = 0; i < graph; ++i) std::cout << '|';
928
929 std::cout << std::endl << std::setw(14) << "std::sscanf:\t" << std::setw(10) << std::setfill(' ') << timeScanf << "[ms]" <<
930 std::setw(10) << std::setfill(' ') << "Speedup: " << (timeStream / timeScanf) << '\t' ;
931 graph = (int) (timeStream / timeScanf); for (int i = 0; i < graph; ++i) std::cout << '|';
932 std::cout << std::endl;
933 }
934
935
benchmarkStrToFloat()936 void StringTest::benchmarkStrToFloat()
937 {
938 Poco::Stopwatch sw;
939 std::string num = "1.0372157551632929e-112";
940 std::cout << "The Number: " << num << std::endl;
941 double res;
942 sw.start();
943 for (int i = 0; i < 1000000; ++i) parseStream(num, res);
944 sw.stop();
945 std::cout << "parseStream Number: " << std::setprecision(std::numeric_limits<double>::digits10) << res << std::endl;
946 double timeStream = sw.elapsed() / 1000.0;
947
948 // standard strtod
949 char* pC = 0;
950 sw.restart();
951 for (int i = 0; i < 1000000; ++i) res = std::strtod(num.c_str(), &pC);
952 sw.stop();
953 std::cout << "std::strtod Number: " << res << std::endl;
954 double timeStdStrtod = sw.elapsed() / 1000.0;
955
956 // POCO Way
957 sw.restart();
958 char ou = 0;
959 for (int i = 0; i < 1000000; ++i) strToDouble(num, res, ou);
960 sw.stop();
961 std::cout << "strToDouble Number: " << res << std::endl;
962 double timeStrToDouble = sw.elapsed() / 1000.0;
963
964 // standard sscanf
965 sw.restart();
966 for (int i = 0; i < 1000000; ++i) std::sscanf(num.c_str(), "%lf", &res);
967 sw.stop();
968 std::cout << "sscanf Number: " << res << std::endl;
969 double timeScanf = sw.elapsed() / 1000.0;
970
971 // double-conversion Strtod
972 sw.restart();
973 for (int i = 0; i < 1000000; ++i) strToDouble(num.c_str());
974 sw.stop();
975 std::cout << "Strtod Number: " << res << std::endl;
976 double timeStrtod = sw.elapsed() / 1000.0;
977
978 int graph;
979 std::cout << std::endl << "Timing and speedup relative to I/O stream:" << std::endl << std::endl;
980 std::cout << std::setw(14) << "Stream:\t" << std::setw(10) << std::setfill(' ') << std::setprecision(4) << timeStream << "[ms]" << std::endl;
981
982 std::cout << std::setw(14) << "std::strtod:\t" << std::setw(10) << std::setfill(' ') << timeStdStrtod << "[ms]" <<
983 std::setw(10) << std::setfill(' ') << "Speedup: " << (timeStream / timeStdStrtod) << '\t' ;
984 graph = (int) (timeStream / timeStdStrtod); for (int i = 0; i < graph; ++i) std::cout << '#';
985
986 std::cout << std::endl << std::setw(14) << "strToDouble:\t" << std::setw(10) << std::setfill(' ') << timeStrToDouble << "[ms]" <<
987 std::setw(10) << std::setfill(' ') << "Speedup: " << (timeStream / timeStrToDouble) << '\t' ;
988 graph = (int) (timeStream / timeStrToDouble); for (int i = 0; i < graph; ++i) std::cout << '#';
989
990 std::cout << std::endl << std::setw(14) << "std::sscanf:\t" << std::setw(10) << std::setfill(' ') << timeScanf << "[ms]" <<
991 std::setw(10) << std::setfill(' ') << "Speedup: " << (timeStream / timeScanf) << '\t' ;
992 graph = (int) (timeStream / timeScanf); for (int i = 0; i < graph; ++i) std::cout << '#';
993
994 std::cout << std::endl << std::setw(14) << "StrtoD:\t" << std::setw(10) << std::setfill(' ') << timeScanf << "[ms]" <<
995 std::setw(10) << std::setfill(' ') << "Speedup: " << (timeStream / timeStrtod) << '\t' ;
996 graph = (int) (timeStream / timeStrtod); for (int i = 0; i < graph; ++i) std::cout << '#';
997
998 std::cout << std::endl;
999 }
1000
1001
testIntToString()1002 void StringTest::testIntToString()
1003 {
1004 //intToStr(T number, unsigned short base, std::string& result, bool prefix = false, int width = -1, char fill = ' ', char thSep = 0)
1005
1006 // decimal
1007 std::string result;
1008 assertTrue (intToStr(0, 10, result));
1009 assertTrue (result == "0");
1010 assertTrue (intToStr(0, 10, result, false, 10, '0'));
1011 assertTrue (result == "0000000000");
1012 assertTrue (intToStr(1234567890, 10, result));
1013 assertTrue (result == "1234567890");
1014 assertTrue (intToStr(-1234567890, 10, result));
1015 assertTrue (result == "-1234567890");
1016 assertTrue (intToStr(-1234567890, 10, result, false, 15, '0'));
1017 assertTrue (result == "-00001234567890");
1018 assertTrue (intToStr(-1234567890, 10, result, false, 15));
1019 assertTrue (result == " -1234567890");
1020 assertTrue (intToStr(-1234567890, 10, result, false, 0, 0, ','));
1021 assertTrue (result == "-1,234,567,890");
1022
1023 // binary
1024 assertTrue (intToStr(1234567890, 2, result));
1025 assertTrue (result == "1001001100101100000001011010010");
1026 assertTrue (intToStr(1234567890, 2, result, true));
1027 assertTrue (result == "1001001100101100000001011010010");
1028 assertTrue (intToStr(1234567890, 2, result, true, 35, '0'));
1029 assertTrue (result == "00001001001100101100000001011010010");
1030 assertTrue (uIntToStr(0xFF, 2, result));
1031 assertTrue (result == "11111111");
1032 assertTrue (uIntToStr(0x0F, 2, result, false, 8, '0'));
1033 assertTrue (result == "00001111");
1034 assertTrue (uIntToStr(0x0F, 2, result));
1035 assertTrue (result == "1111");
1036 assertTrue (uIntToStr(0xF0, 2, result));
1037 assertTrue (result == "11110000");
1038 assertTrue (uIntToStr(0xFFFF, 2, result));
1039 assertTrue (result == "1111111111111111");
1040 assertTrue (uIntToStr(0xFF00, 2, result));
1041 assertTrue (result == "1111111100000000");
1042 assertTrue (uIntToStr(0xFFFFFFFF, 2, result));
1043 assertTrue (result == "11111111111111111111111111111111");
1044 assertTrue (uIntToStr(0xFF00FF00, 2, result));
1045 assertTrue (result == "11111111000000001111111100000000");
1046 assertTrue (uIntToStr(0xF0F0F0F0, 2, result));
1047 assertTrue (result == "11110000111100001111000011110000");
1048 #if defined(POCO_HAVE_INT64)
1049 assertTrue (uIntToStr(0xFFFFFFFFFFFFFFFF, 2, result));
1050 assertTrue (result == "1111111111111111111111111111111111111111111111111111111111111111");
1051 assertTrue (uIntToStr(0xFF00000FF00000FF, 2, result));
1052 assertTrue (result == "1111111100000000000000000000111111110000000000000000000011111111");
1053 #endif
1054
1055 // octal
1056 assertTrue (uIntToStr(1234567890, 010, result));
1057 assertTrue (result == "11145401322");
1058 assertTrue (uIntToStr(1234567890, 010, result, true));
1059 assertTrue (result == "011145401322");
1060 assertTrue (uIntToStr(1234567890, 010, result, true, 15, '0'));
1061 assertTrue (result == "000011145401322");
1062 assertTrue (uIntToStr(012345670, 010, result, true));
1063 assertTrue (result == "012345670");
1064 assertTrue (uIntToStr(012345670, 010, result));
1065 assertTrue (result == "12345670");
1066
1067 // hexadecimal
1068 assertTrue (uIntToStr(0, 0x10, result, true));
1069 assertTrue (result == "0x0");
1070 assertTrue (uIntToStr(0, 0x10, result, true, 4, '0'));
1071 assertTrue (result == "0x00");
1072 assertTrue (uIntToStr(0, 0x10, result, false, 4, '0'));
1073 assertTrue (result == "0000");
1074 assertTrue (uIntToStr(1234567890, 0x10, result));
1075 assertTrue (result == "499602D2");
1076 assertTrue (uIntToStr(1234567890, 0x10, result, true));
1077 assertTrue (result == "0x499602D2");
1078 assertTrue (uIntToStr(1234567890, 0x10, result, true, 15, '0'));
1079 assertTrue (result == "0x00000499602D2");
1080 assertTrue (uIntToStr(0x1234567890ABCDEF, 0x10, result, true));
1081 assertTrue (result == "0x1234567890ABCDEF");
1082 assertTrue (uIntToStr(0xDEADBEEF, 0x10, result));
1083 assertTrue (result == "DEADBEEF");
1084 #if defined(POCO_HAVE_INT64)
1085 assertTrue (uIntToStr(0xFFFFFFFFFFFFFFFF, 0x10, result));
1086 assertTrue (result == "FFFFFFFFFFFFFFFF");
1087 assertTrue (uIntToStr(0xFFFFFFFFFFFFFFFF, 0x10, result, true));
1088 assertTrue (result == "0xFFFFFFFFFFFFFFFF");
1089 #endif
1090
1091 try
1092 {
1093 char pResult[POCO_MAX_INT_STRING_LEN];
1094 std::size_t sz = POCO_MAX_INT_STRING_LEN;
1095 intToStr(0, 10, pResult, sz, false, (int) sz + 1, ' ');
1096 fail ("must throw RangeException");
1097 } catch (RangeException&) { }
1098 }
1099
1100
testFloatToString()1101 void StringTest::testFloatToString()
1102 {
1103 double val = 1.03721575516329e-112;
1104 std::string str;
1105
1106 assertTrue (doubleToStr(str, val, 14, 21) == "1.03721575516329e-112");
1107 assertTrue (doubleToStr(str, val, 14, 22) == " 1.03721575516329e-112");
1108 val = -val;
1109 assertTrue (doubleToStr(str, val, 14, 22) == "-1.03721575516329e-112");
1110 assertTrue (doubleToStr(str, val, 14, 23) == " -1.03721575516329e-112");
1111
1112 val = -10372157551632.9;
1113 assertTrue (doubleToStr(str, val, 1, 21, ',') == "-10,372,157,551,632.9");
1114 assertTrue (doubleToStr(str, val, 1, 22, ',') == " -10,372,157,551,632.9");
1115 assertTrue (doubleToStr(str, val, 2, 22, ',') == "-10,372,157,551,632.90");
1116 assertTrue (doubleToStr(str, val, 2, 22, '.', ',') == "-10.372.157.551.632,90");
1117 assertTrue (doubleToStr(str, val, 2, 22, ' ', ',') == "-10 372 157 551 632,90");
1118
1119 int ival = 1234567890;
1120 assertTrue (doubleToStr(str, ival, 1, 15, ',') == "1,234,567,890.0");
1121 ival = -123456789;
1122 assertTrue (doubleToStr(str, ival, 1, 14, ',') == "-123,456,789.0");
1123 }
1124
1125
testNumericStringLimit()1126 void StringTest::testNumericStringLimit()
1127 {
1128 char c = 0, t = -1;
1129 assertTrue(!isIntOverflow<char>(c));
1130 assertTrue(safeIntCast<char>(c, t) == c);
1131 assertTrue(t == c);
1132
1133 short s = SHRT_MAX;
1134 assertTrue(isIntOverflow<char>(s));
1135 try
1136 {
1137 safeIntCast(s, t);
1138 fail("cast must fail");
1139 }
1140 catch(Poco::BadCastException&){}
1141
1142 s = SHRT_MIN;
1143 assertTrue(isIntOverflow<char>(s));
1144 try
1145 {
1146 safeIntCast(s, t);
1147 fail("short => char cast must fail");
1148 }
1149 catch(Poco::BadCastException&){}
1150
1151 signed char sc = 0, st = -1;
1152 assertTrue(!isIntOverflow<signed char>(sc));
1153 assertTrue(safeIntCast<char>(sc, st) == sc);
1154 assertTrue(st == sc);
1155
1156 short ss = SHRT_MAX;
1157 assertTrue(isIntOverflow<signed char>(ss));
1158 assertTrue(isIntOverflow<char>(ss));
1159 try
1160 {
1161 safeIntCast(ss, st);
1162 fail("short => signed char cast must fail");
1163 }
1164 catch(Poco::BadCastException&){}
1165
1166 ss = SHRT_MIN;
1167 assertTrue(isIntOverflow<signed char>(ss));
1168 assertTrue(isIntOverflow<char>(ss));
1169 try
1170 {
1171 safeIntCast(ss, st);
1172 fail("short => signed char cast must fail");
1173 }
1174 catch(Poco::BadCastException&){}
1175
1176 assertTrue(safeIntCast<signed char>(sc, st) == c);
1177 assertTrue(st == sc);
1178
1179 unsigned char uc = 0, ut = -1;
1180 assertTrue(!isIntOverflow<unsigned char>(uc));
1181 assertTrue(safeIntCast<char>(uc, ut) == uc);
1182 assertTrue(ut == uc);
1183
1184 ss = SHRT_MAX;
1185 assertTrue(isIntOverflow<unsigned char>(ss));
1186 try
1187 {
1188 safeIntCast(ss, st);
1189 fail("cast must fail");
1190 }
1191 catch(Poco::BadCastException&){}
1192
1193 ss = -1;
1194 assertTrue(isIntOverflow<unsigned char>(ss));
1195 try
1196 {
1197 safeIntCast(ss, uc);
1198 fail("unsigned short => unsigned char cast must fail");
1199 }
1200 catch(Poco::BadCastException&){}
1201
1202 int i = 0;
1203 assertTrue(!isIntOverflow<int>(i));
1204 assertTrue(!isIntOverflow<unsigned>(i));
1205 i = -1;
1206 unsigned int ti = -1;
1207 assertTrue(isIntOverflow<unsigned>(i));
1208 try
1209 {
1210 safeIntCast(i, ti);
1211 fail("unsigned int => int cast must fail");
1212 }
1213 catch(Poco::BadCastException&){}
1214
1215 if (sizeof(long) > sizeof(int))
1216 {
1217 long l = LONG_MAX;
1218 assertTrue(isIntOverflow<int>(l));
1219 l = -1L;
1220 assertTrue(isIntOverflow<unsigned>(l));
1221 i = -1;
1222 assertTrue(!isIntOverflow<long>(i));
1223 long tl = 0;
1224 assertTrue(safeIntCast(i, tl) == i);
1225 unsigned long ul = ULONG_MAX, tul = 0;
1226 assertTrue(isIntOverflow<long>(ul));
1227 try
1228 {
1229 safeIntCast(ul, tl);
1230 fail("unsigned long => long cast must fail");
1231 }
1232 catch(Poco::BadCastException&){}
1233 assertTrue(!isIntOverflow<unsigned long>(ul));
1234 tl = 0;
1235 assertTrue(safeIntCast(ul, tul) == ul);
1236 l = LONG_MIN;
1237 assertTrue(isIntOverflow<unsigned long>(l));
1238 try
1239 {
1240 safeIntCast(l, ul);
1241 fail("unsigned long => long cast must fail");
1242 }
1243 catch(Poco::BadCastException&){}
1244 ul = LONG_MAX;
1245 assertTrue(!isIntOverflow<long>(ul));
1246 assertTrue(safeIntCast(ul, l) == ul);
1247 }
1248
1249 numericStringLimitSameSign<unsigned short, unsigned char>();
1250 numericStringLimitSameSign<short, char>();
1251 numericStringLimitSameSign<unsigned int, unsigned short>();
1252 numericStringLimitSameSign<int, short>();
1253
1254 if (sizeof(long) > sizeof(int))
1255 {
1256 numericStringLimitSameSign<unsigned long, unsigned int>();
1257 numericStringLimitSameSign<long, int>();
1258 }
1259
1260 numericStringLowerLimit<short, char>();
1261 numericStringLowerLimit<int, short>();
1262
1263 if (sizeof(long) > sizeof(int))
1264 {
1265 numericStringLowerLimit<Poco::Int64, Poco::Int32>();
1266 }
1267
1268 assertTrue(!isIntOverflow<int8_t>(0));
1269 assertTrue(isIntOverflow<int8_t>(std::numeric_limits<int16_t>::max()));
1270 assertTrue(isIntOverflow<int8_t>(std::numeric_limits<int16_t>::min()));
1271 assertTrue(!isIntOverflow<uint8_t>(0));
1272 assertTrue(isIntOverflow<uint8_t>(std::numeric_limits<int16_t>::max()));
1273 assertTrue(isIntOverflow<uint8_t>(-1));
1274 assertTrue(!isIntOverflow<int32_t>(0));
1275 assertTrue(isIntOverflow<int32_t>(std::numeric_limits<int64_t>::max()));
1276 assertTrue(!isIntOverflow<uint32_t>(0));
1277 assertTrue(isIntOverflow<uint32_t>(-1));
1278 assertTrue(isIntOverflow<uint32_t>(-1L));
1279 assertTrue(isIntOverflow<uint32_t>(-1LL));
1280 assertTrue(!isIntOverflow<int64_t>(-1));
1281 assertTrue(isIntOverflow<int64_t>(std::numeric_limits<uint64_t>::max()));
1282 assertTrue(!isIntOverflow<uint64_t>(std::numeric_limits<uint64_t>::max()));
1283 assertTrue(isIntOverflow<uint64_t>(std::numeric_limits<int64_t>::min()));
1284 assertTrue(!isIntOverflow<uint64_t>(std::numeric_limits<uint64_t>::min()));
1285 assertTrue(!isIntOverflow<int64_t>(std::numeric_limits<int64_t>::max()));
1286
1287 numericStringLimitSameSign<uint16_t, uint8_t>();
1288 numericStringLimitSameSign<int16_t, int8_t>();
1289 numericStringLimitSameSign<uint32_t, uint16_t>();
1290 numericStringLimitSameSign<int32_t, int16_t>();
1291 numericStringLimitSameSign<uint64_t, uint32_t>();
1292 numericStringLimitSameSign<int64_t, int32_t>();
1293
1294 numericStringLowerLimit<int16_t, int8_t>();
1295 numericStringLowerLimit<int32_t, int16_t>();
1296 numericStringLowerLimit<int64_t, int32_t>();
1297 }
1298
1299
formatStream(double value,std::string & str)1300 void formatStream(double value, std::string& str)
1301 {
1302 char buffer[128];
1303 Poco::MemoryOutputStream ostr(buffer, sizeof(buffer));
1304 #if !defined(POCO_NO_LOCALE)
1305 ostr.imbue(std::locale::classic());
1306 #endif
1307 ostr << std::setprecision(16) << value;
1308 str.assign(buffer, static_cast<std::string::size_type>(ostr.charsWritten()));
1309 }
1310
1311
formatSprintf(double value,std::string & str)1312 void formatSprintf(double value, std::string& str)
1313 {
1314 char buffer[128];
1315 std::sprintf(buffer, "%.*g", 16, value);
1316 str = buffer;
1317 }
1318
1319
benchmarkFloatToStr()1320 void StringTest::benchmarkFloatToStr()
1321 {
1322 Poco::Stopwatch sw;
1323 double val = 1.0372157551632929e-112;
1324 std::cout << "The Number: " << std::setprecision(std::numeric_limits<double>::digits10) << val << std::endl;
1325 std::string str;
1326 sw.start();
1327 for (int i = 0; i < 1000000; ++i) formatStream(val, str);
1328 sw.stop();
1329 std::cout << "formatStream Number: " << str << std::endl;
1330 double timeStream = sw.elapsed() / 1000.0;
1331
1332 // standard sprintf
1333 str = "";
1334 sw.restart();
1335 for (int i = 0; i < 1000000; ++i) formatSprintf(val, str);
1336 sw.stop();
1337 std::cout << "std::sprintf Number: " << str << std::endl;
1338 double timeSprintf = sw.elapsed() / 1000.0;
1339
1340 // POCO Way (via double-conversion)
1341 // no padding
1342 sw.restart();
1343 char buffer[POCO_MAX_FLT_STRING_LEN];
1344 for (int i = 0; i < 1000000; ++i) doubleToStr(buffer, POCO_MAX_FLT_STRING_LEN, val);
1345 sw.stop();
1346 std::cout << "doubleToStr(char) Number: " << buffer << std::endl;
1347 double timeDoubleToStrChar = sw.elapsed() / 1000.0;
1348
1349 // with padding
1350 str = "";
1351 sw.restart();
1352 for (int i = 0; i < 1000000; ++i) doubleToStr(str, val);
1353 sw.stop();
1354 std::cout << "doubleToStr(std::string) Number: " << str << std::endl;
1355 double timeDoubleToStrString = sw.elapsed() / 1000.0;
1356
1357 int graph;
1358 std::cout << std::endl << "Timing and speedup relative to I/O stream:" << std::endl << std::endl;
1359 std::cout << std::setw(14) << "Stream:\t" << std::setw(10) << std::setfill(' ') << std::setprecision(4) << timeStream << "[ms]" << std::endl;
1360
1361 std::cout << std::setw(14) << "sprintf:\t" << std::setw(10) << std::setfill(' ') << timeSprintf << "[ms]" <<
1362 std::setw(10) << std::setfill(' ') << "Speedup: " << (timeStream / timeSprintf) << '\t' ;
1363 graph = (int) (timeStream / timeSprintf); for (int i = 0; i < graph; ++i) std::cout << '#';
1364
1365 std::cout << std::endl << std::setw(14) << "doubleToChar:\t" << std::setw(10) << std::setfill(' ') << timeDoubleToStrChar << "[ms]" <<
1366 std::setw(10) << std::setfill(' ') << "Speedup: " << (timeStream / timeDoubleToStrChar) << '\t' ;
1367 graph = (int) (timeStream / timeDoubleToStrChar); for (int i = 0; i < graph; ++i) std::cout << '#';
1368
1369 std::cout << std::endl << std::setw(14) << "doubleToString:\t" << std::setw(10) << std::setfill(' ') << timeDoubleToStrString << "[ms]" <<
1370 std::setw(10) << std::setfill(' ') << "Speedup: " << (timeStream / timeDoubleToStrString) << '\t' ;
1371 graph = (int) (timeStream / timeDoubleToStrString); for (int i = 0; i < graph; ++i) std::cout << '#';
1372
1373 std::cout << std::endl;
1374 }
1375
1376
testJSONString()1377 void StringTest::testJSONString()
1378 {
1379 assertTrue (toJSON("\\", false) == "\\\\");
1380 assertTrue (toJSON("\"", false) == "\\\"");
1381 assertTrue (toJSON("/", false) == "\\/");
1382 assertTrue (toJSON("\a", false) == "\\u0007");
1383 assertTrue (toJSON("\b", false) == "\\b");
1384 assertTrue (toJSON("\f", false) == "\\f");
1385 assertTrue (toJSON("\n", false) == "\\n");
1386 assertTrue (toJSON("\r", false) == "\\r");
1387 assertTrue (toJSON("\t", false) == "\\t");
1388 assertTrue (toJSON("\v", false) == "\\u000B");
1389 assertTrue (toJSON("a", false) == "a");
1390 assertTrue (toJSON("\xD0\x82", 0) == "\xD0\x82");
1391 assertTrue (toJSON("\xD0\x82", Poco::JSON_ESCAPE_UNICODE) == "\\u0402");
1392
1393 // ??? on MSVC, the assert macro expansion
1394 // fails to compile when this string is inline ???
1395 std::string str = "\"foo\\\\\"";
1396 assertTrue (toJSON("foo\\") == str);
1397
1398 assertTrue (toJSON("bar/") == "\"bar\\/\"");
1399 assertTrue (toJSON("baz") == "\"baz\"");
1400 assertTrue (toJSON("q\"uote\"d") == "\"q\\\"uote\\\"d\"");
1401 assertTrue (toJSON("bs\b") == "\"bs\\b\"");
1402 assertTrue (toJSON("nl\n") == "\"nl\\n\"");
1403 assertTrue (toJSON("tb\t") == "\"tb\\t\"");
1404 assertTrue (toJSON("\xD0\x82") == "\"\xD0\x82\"");
1405 assertTrue (toJSON("\xD0\x82", Poco::JSON_WRAP_STRINGS) == "\"\xD0\x82\"");
1406 assertTrue (toJSON("\xD0\x82",
1407 Poco::JSON_WRAP_STRINGS | Poco::JSON_ESCAPE_UNICODE) == "\"\\u0402\"");
1408
1409 std::ostringstream ostr;
1410 toJSON("foo\\", ostr);
1411 assertTrue (ostr.str() == str);
1412 ostr.str("");
1413
1414 toJSON("foo\\", ostr);
1415 assertTrue (toJSON("bar/") == "\"bar\\/\"");
1416 ostr.str("");
1417 toJSON("baz", ostr);
1418 assertTrue (ostr.str() == "\"baz\"");
1419 ostr.str("");
1420 toJSON("q\"uote\"d", ostr);
1421 assertTrue (ostr.str() == "\"q\\\"uote\\\"d\"");
1422 ostr.str("");
1423 toJSON("bs\b", ostr);
1424 assertTrue (ostr.str() == "\"bs\\b\"");
1425 ostr.str("");
1426 toJSON("nl\n", ostr);
1427 assertTrue (ostr.str() == "\"nl\\n\"");
1428 ostr.str("");
1429 toJSON("tb\t", ostr);
1430 assertTrue (ostr.str() == "\"tb\\t\"");
1431 ostr.str("");
1432 toJSON("\xD0\x82", ostr);
1433 assertTrue (ostr.str() == "\"\xD0\x82\"");
1434 ostr.str("");
1435 toJSON("\xD0\x82", ostr, Poco::JSON_WRAP_STRINGS);
1436 assertTrue (ostr.str() == "\"\xD0\x82\"");
1437 ostr.str("");
1438 toJSON("\xD0\x82", ostr, Poco::JSON_WRAP_STRINGS | Poco::JSON_ESCAPE_UNICODE);
1439 assertTrue (ostr.str() == "\"\\u0402\"");
1440 ostr.str("");
1441 }
1442
1443
setUp()1444 void StringTest::setUp()
1445 {
1446 }
1447
1448
tearDown()1449 void StringTest::tearDown()
1450 {
1451 }
1452
1453
suite()1454 CppUnit::Test* StringTest::suite()
1455 {
1456 CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("StringTest");
1457
1458 CppUnit_addTest(pSuite, StringTest, testTrimLeft);
1459 CppUnit_addTest(pSuite, StringTest, testTrimLeftInPlace);
1460 CppUnit_addTest(pSuite, StringTest, testTrimRight);
1461 CppUnit_addTest(pSuite, StringTest, testTrimInPlace);
1462 CppUnit_addTest(pSuite, StringTest, testTrim);
1463 CppUnit_addTest(pSuite, StringTest, testTrimRightInPlace);
1464 CppUnit_addTest(pSuite, StringTest, testToUpper);
1465 CppUnit_addTest(pSuite, StringTest, testToLower);
1466 CppUnit_addTest(pSuite, StringTest, testIstring);
1467 CppUnit_addTest(pSuite, StringTest, testIcompare);
1468 CppUnit_addTest(pSuite, StringTest, testCILessThan);
1469 CppUnit_addTest(pSuite, StringTest, testTranslate);
1470 CppUnit_addTest(pSuite, StringTest, testTranslateInPlace);
1471 CppUnit_addTest(pSuite, StringTest, testReplace);
1472 CppUnit_addTest(pSuite, StringTest, testReplaceInPlace);
1473 CppUnit_addTest(pSuite, StringTest, testCat);
1474 CppUnit_addTest(pSuite, StringTest, testStartsWith);
1475 CppUnit_addTest(pSuite, StringTest, testEndsWith);
1476 CppUnit_addTest(pSuite, StringTest, testStringToInt);
1477 CppUnit_addTest(pSuite, StringTest, testStringToFloat);
1478 CppUnit_addTest(pSuite, StringTest, testStringToDouble);
1479 CppUnit_addTest(pSuite, StringTest, testNumericStringPadding);
1480 CppUnit_addTest(pSuite, StringTest, testNumericStringLimit);
1481 CppUnit_addTest(pSuite, StringTest, testStringToFloatError);
1482 CppUnit_addTest(pSuite, StringTest, testNumericLocale);
1483 //CppUnit_addTest(pSuite, StringTest, benchmarkStrToFloat);
1484 //CppUnit_addTest(pSuite, StringTest, benchmarkStrToInt);
1485 CppUnit_addTest(pSuite, StringTest, testIntToString);
1486 CppUnit_addTest(pSuite, StringTest, testFloatToString);
1487 //CppUnit_addTest(pSuite, StringTest, benchmarkFloatToStr);
1488 CppUnit_addTest(pSuite, StringTest, testJSONString);
1489
1490 return pSuite;
1491 }
1492