1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: tests/strings/vsnprintf.cpp
3 // Purpose: wxVsnprintf unit test
4 // Author: Francesco Montorsi
5 // (part of this file was taken from CMP.c of TRIO package
6 // written by Bjorn Reese and Daniel Stenberg)
7 // Created: 2006-04-01
8 // Copyright: (c) 2006 Francesco Montorsi, Bjorn Reese and Daniel Stenberg
9 ///////////////////////////////////////////////////////////////////////////////
10
11 // ----------------------------------------------------------------------------
12 // headers
13 // ----------------------------------------------------------------------------
14
15 #include "testprec.h"
16
17 #ifdef __BORLANDC__
18 #pragma hdrstop
19 #endif
20
21 #include "wx/crt.h"
22
23 #if wxUSE_WXVSNPRINTF
24
25 #ifndef WX_PRECOMP
26 #include "wx/wx.h"
27 #include "wx/wxchar.h"
28 #endif // WX_PRECOMP
29
30
31 // NOTE: for more info about the specification of wxVsnprintf() behaviour you can
32 // refer to the following page of the GNU libc manual:
33 // http://www.gnu.org/software/libc/manual/html_node/Formatted-Output.html
34
35
36 // ----------------------------------------------------------------------------
37 // global utilities for testing
38 // ----------------------------------------------------------------------------
39
40 #define MAX_TEST_LEN 1024
41
42 // temporary buffers
43 static wxChar buf[MAX_TEST_LEN];
44 int r;
45
46 // these macros makes it possible to write all tests without repeating a lot
47 // of times the wxT() macro
48 // NOTE: you should use expected strings with these macros which do not exceed
49 // MAX_TEST_LEN as these macro do check if the return value is == (int)wxStrlen(buf)
50
51 #define ASSERT_STR_EQUAL( a, b ) \
52 CPPUNIT_ASSERT_EQUAL( wxString(a), wxString(b) );
53
54 #define CMP6(expected, fmt, y, z, w, t) \
55 r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt), y, z, w, t); \
56 CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) ); \
57 ASSERT_STR_EQUAL( wxT(expected), buf );
58
59 #define CMP5(expected, fmt, y, z, w) \
60 r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt), y, z, w); \
61 CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) ); \
62 ASSERT_STR_EQUAL( wxT(expected), buf );
63
64 #define CMP4(expected, fmt, y, z) \
65 r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt), y, z); \
66 CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) ); \
67 ASSERT_STR_EQUAL( wxT(expected), buf );
68
69 #define CMP3(expected, fmt, y) \
70 r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt), y); \
71 CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) ); \
72 ASSERT_STR_EQUAL( wxT(expected), buf );
73
74 #define CMP3i(expected, fmt, y) \
75 r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt), y); \
76 CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) ); \
77 WX_ASSERT_MESSAGE( ("Expected \"%s\", got \"%s\"", expected, buf), \
78 wxStricmp(expected, buf) == 0 );
79
80 #define CMP2(expected, fmt) \
81 r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt)); \
82 CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) ); \
83 ASSERT_STR_EQUAL( wxT(expected), buf );
84
85 // NOTE: this macro is used also with too-small buffers (see Miscellaneous())
86 // test function, thus the return value can be > size and thus we
87 // cannot check if r == (int)wxStrlen(buf)
88 #define CMPTOSIZE(buffer, size, failuremsg, expected, fmt, x, y, z, w) \
89 r=wxSnprintf(buffer, size, wxT(fmt), x, y, z, w); \
90 CPPUNIT_ASSERT( r > 0 ); \
91 CPPUNIT_ASSERT_EQUAL_MESSAGE( \
92 failuremsg, \
93 wxString(wxT(expected)).Left(size - 1), \
94 wxString(buffer))
95
96 // this is the same as wxSnprintf() but it passes the format string to
97 // wxVsnprintf() without using WX_ATTRIBUTE_PRINTF and thus suppresses the gcc
98 // checks (and resulting warnings) for the format string
99 //
100 // use with extreme care and only when you're really sure the warnings must be
101 // suppressed!
102 template<typename T>
103 static int
wxUnsafeSnprintf(T * buf,size_t len,const wxChar * fmt,...)104 wxUnsafeSnprintf(T *buf, size_t len, const wxChar *fmt, ...)
105 {
106 va_list args;
107 va_start(args, fmt);
108
109 int rc = wxVsnprintf(buf, len, fmt, args);
110
111 va_end(args);
112
113 return rc;
114 }
115
116 // ----------------------------------------------------------------------------
117 // test class
118 // ----------------------------------------------------------------------------
119
120 class VsnprintfTestCase : public CppUnit::TestCase
121 {
122 public:
VsnprintfTestCase()123 VsnprintfTestCase() {}
124
125 virtual void setUp();
126
127 private:
128 CPPUNIT_TEST_SUITE( VsnprintfTestCase );
129 CPPUNIT_TEST( C );
130 CPPUNIT_TEST( D );
131 CPPUNIT_TEST( X );
132 CPPUNIT_TEST( O );
133 CPPUNIT_TEST( P );
134 CPPUNIT_TEST( N );
135 CPPUNIT_TEST( E );
136 CPPUNIT_TEST( F );
137 CPPUNIT_TEST( G );
138 CPPUNIT_TEST( S );
139 CPPUNIT_TEST( Asterisk );
140 CPPUNIT_TEST( Percent );
141 #ifdef wxLongLong_t
142 CPPUNIT_TEST( LongLong );
143 #endif
144
145 CPPUNIT_TEST( BigToSmallBuffer );
146 CPPUNIT_TEST( WrongFormatStrings );
147 CPPUNIT_TEST( Miscellaneous );
148 CPPUNIT_TEST( GlibcMisc1 );
149 CPPUNIT_TEST( GlibcMisc2 );
150 CPPUNIT_TEST_SUITE_END();
151
152 void C();
153 void D();
154 void X();
155 void O();
156 void P();
157 void N();
158 void E();
159 void F();
160 void G();
161 void S();
162 void Asterisk();
163 void Percent();
164 #ifdef wxLongLong_t
165 void LongLong();
166 #endif
167 void Unicode();
168
169 template<typename T>
170 void DoBigToSmallBuffer(T *buffer, int size);
171 void BigToSmallBuffer();
172
173 void WrongFormatStrings();
174
175 // compares the expectedString and the result of wxVsnprintf() char by char
176 // for all its lenght (not only for first expectedLen chars) and also
177 // checks the return value
178 void DoMisc(int expectedLen, const wxString& expectedString,
179 size_t max, const wxChar *format, ...);
180 void Miscellaneous();
181
182 void GlibcMisc1();
183 void GlibcMisc2();
184
185 DECLARE_NO_COPY_CLASS(VsnprintfTestCase)
186 };
187
188 // register in the unnamed registry so that these tests are run by default
189 CPPUNIT_TEST_SUITE_REGISTRATION( VsnprintfTestCase );
190
191 // also include in its own registry so that these tests can be run alone
192 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( VsnprintfTestCase, "VsnprintfTestCase" );
193
setUp()194 void VsnprintfTestCase::setUp()
195 {
196 // this call is required to avoid check failures when running on machines
197 // with a locale where the decimal point is not '.'
198 wxSetlocale(LC_ALL, "C");
199 }
200
C()201 void VsnprintfTestCase::C()
202 {
203 CMP5("hi!", "%c%c%c", wxT('h'), wxT('i'), wxT('!'));
204
205 // NOTE:
206 // the NULL characters _can_ be passed to %c to e.g. create strings
207 // with embedded NULs (because strings are not always supposed to be
208 // NUL-terminated).
209
210 DoMisc(14, wxT("Hello \0 World!"), 16, wxT("Hello %c World!"), wxT('\0'));
211 }
212
D()213 void VsnprintfTestCase::D()
214 {
215 CMP3("+123456", "%+d", 123456);
216 CMP3("-123456", "%d", -123456);
217 CMP3(" 123456", "% d", 123456);
218 CMP3(" 123456", "%10d", 123456);
219 CMP3("0000123456", "%010d", 123456);
220 CMP3("-123456 ", "%-10d", -123456);
221 }
222
X()223 void VsnprintfTestCase::X()
224 {
225 CMP3("ABCD", "%X", 0xABCD);
226 CMP3("0XABCD", "%#X", 0xABCD);
227 CMP3("0xabcd", "%#x", 0xABCD);
228 }
229
O()230 void VsnprintfTestCase::O()
231 {
232 CMP3("1234567", "%o", 01234567);
233 CMP3("01234567", "%#o", 01234567);
234 }
235
P()236 void VsnprintfTestCase::P()
237 {
238 // The exact format used for "%p" is not specified by the standard and so
239 // varies among different platforms, so we need to expect different results
240 // here (remember that while we test our own wxPrintf() code here, it uses
241 // the system sprintf() for actual formatting so the results are still
242 // different under different systems).
243
244 #ifdef wxUSING_VC_CRT_IO
245 // MSVC always prints pointers as %8X on 32 bit systems and as %16X on 64
246 // bit systems.
247 #if SIZEOF_VOID_P == 4
248 CMP3i("00ABCDEF", "%p", (void*)0xABCDEF);
249 CMP3("00000000", "%p", (void*)NULL);
250 #elif SIZEOF_VOID_P == 8
251 CMP3i("0000ABCDEFABCDEF", "%p", (void*)0xABCDEFABCDEF);
252 CMP3("0000000000000000", "%p", (void*)NULL);
253 #endif
254 #elif defined(__MINGW32__)
255 // mingw32 uses MSVC CRT in old versions but is own implementation now
256 // which is somewhere in the middle as it uses %8x, so to catch both cases
257 // we use case-insensitive comparison here.
258 CMP3("0xabcdef", "%p", (void*)0xABCDEF);
259 CMP3("0", "%p", (void*)NULL);
260 #elif defined(__GNUG__)
261 // glibc prints pointers as %#x except for NULL pointers which are printed
262 // as '(nil)'.
263 CMP3("0xabcdef", "%p", (void*)0xABCDEF);
264 CMP3("(nil)", "%p", (void*)NULL);
265 #endif
266 }
267
N()268 void VsnprintfTestCase::N()
269 {
270 int nchar;
271
272 wxSnprintf(buf, MAX_TEST_LEN, wxT("%d %s%n\n"), 3, wxT("bears"), &nchar);
273 CPPUNIT_ASSERT_EQUAL( 7, nchar );
274 }
275
E()276 void VsnprintfTestCase::E()
277 {
278 // NB: there are no standards about the minimum exponent width
279 // (and the width of the %e conversion specifier refers to the
280 // mantissa, not to the exponent).
281 // Since newer MSVC versions use 3 digits as minimum exponent
282 // width while GNU libc uses 2 digits as minimum width, here we
283 // workaround this problem using for the exponent values with at
284 // least three digits.
285 // Some examples:
286 // printf("%e",2.342E+02);
287 // -> under MSVC7.1 prints: 2.342000e+002
288 // -> under GNU libc 2.4 prints: 2.342000e+02
289 CMP3("2.342000e+112", "%e",2.342E+112);
290 CMP3("-2.3420e-112", "%10.4e",-2.342E-112);
291 CMP3("-2.3420e-112", "%11.4e",-2.342E-112);
292 CMP3(" -2.3420e-112", "%15.4e",-2.342E-112);
293
294 CMP3("-0.02342", "%G",-2.342E-02);
295 CMP3("3.1415E-116", "%G",3.1415e-116);
296 CMP3("0003.141500e+103", "%016e", 3141.5e100);
297 CMP3(" 3.141500e+103", "%16e", 3141.5e100);
298 CMP3("3.141500e+103 ", "%-16e", 3141.5e100);
299 CMP3("3.142e+103", "%010.3e", 3141.5e100);
300 }
301
F()302 void VsnprintfTestCase::F()
303 {
304 CMP3("3.300000", "%5f", 3.3);
305 CMP3("3.000000", "%5f", 3.0);
306 CMP3("0.000100", "%5f", .999999E-4);
307 CMP3("0.000990", "%5f", .99E-3);
308 CMP3("3333.000000", "%5f", 3333.0);
309 }
310
G()311 void VsnprintfTestCase::G()
312 {
313 // NOTE: the same about E() testcase applies here...
314
315 CMP3(" 3.3", "%5g", 3.3);
316 CMP3(" 3", "%5g", 3.0);
317 CMP3("9.99999e-115", "%5g", .999999E-114);
318 CMP3("0.00099", "%5g", .99E-3);
319 CMP3(" 3333", "%5g", 3333.0);
320 CMP3(" 0.01", "%5g", 0.01);
321
322 CMP3(" 3", "%5.g", 3.3);
323 CMP3(" 3", "%5.g", 3.0);
324 CMP3("1e-114", "%5.g", .999999E-114);
325 CMP3("0.0001", "%5.g", 1.0E-4);
326 CMP3("0.001", "%5.g", .99E-3);
327 CMP3("3e+103", "%5.g", 3333.0E100);
328 CMP3(" 0.01", "%5.g", 0.01);
329
330 CMP3(" 3.3", "%5.2g", 3.3);
331 CMP3(" 3", "%5.2g", 3.0);
332 CMP3("1e-114", "%5.2g", .999999E-114);
333 CMP3("0.00099", "%5.2g", .99E-3);
334 CMP3("3.3e+103", "%5.2g", 3333.0E100);
335 CMP3(" 0.01", "%5.2g", 0.01);
336 }
337
S()338 void VsnprintfTestCase::S()
339 {
340 CMP3(" abc", "%5s", wxT("abc"));
341 CMP3(" a", "%5s", wxT("a"));
342 CMP3("abcdefghi", "%5s", wxT("abcdefghi"));
343 CMP3("abc ", "%-5s", wxT("abc"));
344 CMP3("abcdefghi", "%-5s", wxT("abcdefghi"));
345
346 CMP3("abcde", "%.5s", wxT("abcdefghi"));
347
348 // do the same tests but with Unicode characters:
349 #if wxUSE_UNICODE
350
351 // Unicode code points from U+03B1 to U+03B9 are the greek letters alpha-iota;
352 // UTF8 encoding of such code points is 0xCEB1 to 0xCEB9
353
354 #define ALPHA "\xCE\xB1"
355 // alpha
356 #define ABC "\xCE\xB1\xCE\xB2\xCE\xB3"
357 // alpha+beta+gamma
358 #define ABCDE "\xCE\xB1\xCE\xB2\xCE\xB3\xCE\xB4\xCE\xB5"
359 // alpha+beta+gamma+delta+epsilon
360 #define ABCDEFGHI "\xCE\xB1\xCE\xB2\xCE\xB3\xCE\xB4\xCE\xB5\xCE\xB6\xCE\xB7\xCE\xB8\xCE\xB9"
361 // alpha+beta+gamma+delta+epsilon+zeta+eta+theta+iota
362
363 // the 'expected' and 'arg' parameters of this macro are supposed to be
364 // UTF-8 strings
365 #define CMP3_UTF8(expected, fmt, arg) \
366 CPPUNIT_ASSERT_EQUAL \
367 ( \
368 wxString::FromUTF8(expected).length(), \
369 wxSnprintf(buf, MAX_TEST_LEN, fmt, wxString::FromUTF8(arg)) \
370 ); \
371 CPPUNIT_ASSERT_EQUAL \
372 ( \
373 wxString::FromUTF8(expected), \
374 buf \
375 )
376
377 CMP3_UTF8(" " ABC, "%5s", ABC);
378 CMP3_UTF8(" " ALPHA, "%5s", ALPHA);
379 CMP3_UTF8(ABCDEFGHI, "%5s", ABCDEFGHI);
380 CMP3_UTF8(ABC " ", "%-5s", ABC);
381 CMP3_UTF8(ABCDEFGHI, "%-5s", ABCDEFGHI);
382 CMP3_UTF8(ABCDE, "%.5s", ABCDEFGHI);
383 #endif // wxUSE_UNICODE
384
385 // test a string which has a NULL character after "ab";
386 // obviously it should be handled exactly like just as "ab"
387 CMP3(" ab", "%5s", wxT("ab\0cdefghi"));
388 }
389
Asterisk()390 void VsnprintfTestCase::Asterisk()
391 {
392 CMP5(" 0.1", "%*.*f", 10, 1, 0.123);
393 CMP5(" 0.1230", "%*.*f", 10, 4, 0.123);
394 CMP5("0.1", "%*.*f", 3, 1, 0.123);
395
396 CMP4("%0.002", "%%%.*f", 3, 0.0023456789);
397
398 CMP4(" a", "%*c", 8, 'a');
399 CMP4(" four", "%*s", 8, "four");
400 CMP6(" four four", "%*s %*s", 8, "four", 6, "four");
401 }
402
Percent()403 void VsnprintfTestCase::Percent()
404 {
405 // some tests without any argument passed through ...
406 CMP2("%", "%%");
407 CMP2("%%%", "%%%%%%");
408
409 CMP3("% abc", "%%%5s", wxT("abc"));
410 CMP3("% abc%", "%%%5s%%", wxT("abc"));
411
412 // do not test odd number of '%' symbols as different implementations
413 // of snprintf() give different outputs as this situation is not considered
414 // by any standard (in fact, GCC will also warn you about a spurious % if
415 // you write %%% as argument of some *printf function !)
416 // Compare(wxT("%"), wxT("%%%"));
417 }
418
419 #ifdef wxLongLong_t
LongLong()420 void VsnprintfTestCase::LongLong()
421 {
422 CMP3("123456789", "%lld", (wxLongLong_t)123456789);
423 CMP3("-123456789", "%lld", (wxLongLong_t)-123456789);
424
425 CMP3("123456789", "%llu", (wxULongLong_t)123456789);
426
427 #ifdef __WINDOWS__
428 CMP3("123456789", "%I64d", (wxLongLong_t)123456789);
429 CMP3("123456789abcdef", "%I64x", wxLL(0x123456789abcdef));
430 #endif
431 }
432 #endif
433
WrongFormatStrings()434 void VsnprintfTestCase::WrongFormatStrings()
435 {
436 // test how wxVsnprintf() behaves with wrong format string:
437
438 #if 0
439 // NB: the next 2 tests currently return an error but it would be nice
440 // if they didn't (see ticket #9367)
441
442 // two positionals with the same index:
443 r = wxSnprintf(buf, MAX_TEST_LEN, wxT("%1$s %1$s"), "hello");
444 CPPUNIT_ASSERT(r != -1);
445
446 // three positionals with the same index mixed with other pos args:
447 r = wxSnprintf(buf, MAX_TEST_LEN, wxT("%4$d %2$f %1$s %2$s %3$d"), "hello", "world", 3, 4);
448 CPPUNIT_ASSERT(r != -1);
449 #endif
450
451 // a missing positional arg should result in an assert
452 WX_ASSERT_FAILS_WITH_ASSERT(
453 wxSnprintf(buf, MAX_TEST_LEN, wxT("%1$d %3$d"), 1, 2, 3) );
454
455 // positional and non-positionals in the same format string:
456 r = wxSnprintf(buf, MAX_TEST_LEN, wxT("%1$d %d %3$d"), 1, 2, 3);
457 CPPUNIT_ASSERT_EQUAL(-1, r);
458 }
459
460 // BigToSmallBuffer() test case helper:
461 template<typename T>
DoBigToSmallBuffer(T * buffer,int size)462 void VsnprintfTestCase::DoBigToSmallBuffer(T *buffer, int size)
463 {
464 // Remember that wx*printf could be mapped either to system
465 // implementation or to wx implementation.
466 // In the first case, when the output buffer is too small, the returned
467 // value can be the number of characters required for the output buffer
468 // (conforming to ISO C99; implemented in e.g. GNU libc >= 2.1), or
469 // just a negative number, usually -1; (this is how e.g. MSVC's
470 // *printf() behaves). Luckily, in all implementations, when the
471 // output buffer is too small, it's nonetheless filled up to its max size.
472 //
473 // Note that in the second case (i.e. when we're using our own implementation),
474 // wxVsnprintf() will return the number of characters written in the standard
475 // output or
476 // -1 if there was an error in the format string
477 // maxSize+1 if the output buffer is too small
478
479 wxString errStr;
480 errStr << "The size of the buffer was " << size;
481 std::string errMsg(errStr.mb_str());
482
483 // test without positionals
484 CMPTOSIZE(buffer, size, errMsg,
485 "123456789012 - test - 123 -4.567",
486 "%i%li - test - %d %.3f",
487 123, (long int)456789012, 123, -4.567);
488
489 #if wxUSE_PRINTF_POS_PARAMS
490 // test with positional
491 CMPTOSIZE(buffer, size, errMsg,
492 "-4.567 123 - test - 456789012 123",
493 "%4$.3f %1$i - test - %2$li %3$d",
494 123, (long int)456789012, 123, -4.567);
495 #endif
496
497 // test unicode/ansi conversion specifiers
498 //
499 // NB: we use wxUnsafeSnprintf() as %hs and %hc are invalid in printf
500 // format and gcc would warn about this otherwise
501
502 r = wxUnsafeSnprintf(buffer, size,
503 wxT("unicode string/char: %ls/%lc -- ansi string/char: %hs/%hc"),
504 L"unicode", L'U', "ansi", 'A');
505 wxString expected =
506 wxString(wxT("unicode string/char: unicode/U -- ansi string/char: ansi/A")).Left(size - 1);
507
508 CPPUNIT_ASSERT( r != -1 );
509 CPPUNIT_ASSERT_EQUAL(
510 expected,
511 wxString(buffer)
512 );
513 }
514
BigToSmallBuffer()515 void VsnprintfTestCase::BigToSmallBuffer()
516 {
517 // VC6 can't compile this code
518 #if !defined(__VISUALC__) || (__VISUALC__ >= 1310)
519 #if wxUSE_UNICODE
520 wchar_t bufw[1024], bufw2[16], bufw3[4], bufw4;
521 DoBigToSmallBuffer(bufw, 1024);
522 DoBigToSmallBuffer(bufw2, 16);
523 DoBigToSmallBuffer(bufw3, 4);
524 DoBigToSmallBuffer(&bufw4, 1);
525 #endif // wxUSE_UNICODE
526
527 char bufa[1024], bufa2[16], bufa3[4], bufa4;
528 DoBigToSmallBuffer(bufa, 1024);
529 DoBigToSmallBuffer(bufa2, 16);
530 DoBigToSmallBuffer(bufa3, 4);
531 DoBigToSmallBuffer(&bufa4, 1);
532 #endif // !VC6
533 }
534
535 // Miscellaneous() test case helper:
DoMisc(int expectedLen,const wxString & expectedString,size_t max,const wxChar * format,...)536 void VsnprintfTestCase::DoMisc(
537 int expectedLen,
538 const wxString& expectedString,
539 size_t max,
540 const wxChar *format, ...)
541 {
542 const size_t BUFSIZE = MAX_TEST_LEN - 1;
543 size_t i;
544 static int count = 0;
545
546 wxASSERT(max <= BUFSIZE);
547
548 for (i = 0; i < BUFSIZE; i++)
549 buf[i] = '*';
550 buf[BUFSIZE] = 0;
551
552 va_list ap;
553 va_start(ap, format);
554
555 int n = wxVsnprintf(buf, max, format, ap);
556
557 va_end(ap);
558
559 // Prepare messages so that it is possible to see from the error which
560 // test was running.
561 wxString errStr, overflowStr;
562 errStr << wxT("No.: ") << ++count << wxT(", expected: ") << expectedLen
563 << wxT(" '") << expectedString << wxT("', result: ");
564 overflowStr << errStr << wxT("buffer overflow");
565 errStr << n << wxT(" '") << buf << wxT("'");
566
567 // turn them into std::strings
568 std::string errMsg(errStr.mb_str());
569 std::string overflowMsg(overflowStr.mb_str());
570
571 CPPUNIT_ASSERT_MESSAGE(errMsg,
572 (expectedLen == -1 && size_t(n) >= max) || expectedLen == n);
573
574 CPPUNIT_ASSERT_MESSAGE(errMsg, expectedString == buf);
575
576 for (i = max; i < BUFSIZE; i++)
577 CPPUNIT_ASSERT_MESSAGE(overflowMsg, buf[i] == '*');
578 }
579
Miscellaneous()580 void VsnprintfTestCase::Miscellaneous()
581 {
582 // expectedLen, expectedString, max, format, ...
583 DoMisc(5, wxT("-1234"), 8, wxT("%d"), -1234);
584 DoMisc(7, wxT("1234567"), 8, wxT("%d"), 1234567);
585 DoMisc(-1, wxT("1234567"), 8, wxT("%d"), 12345678);
586 DoMisc(-1, wxT("-123456"), 8, wxT("%d"), -1234567890);
587
588 DoMisc(6, wxT("123456"), 8, wxT("123456"));
589 DoMisc(7, wxT("1234567"), 8, wxT("1234567"));
590 DoMisc(-1, wxT("1234567"), 8, wxT("12345678"));
591
592 DoMisc(6, wxT("123450"), 8, wxT("12345%d"), 0);
593 DoMisc(7, wxT("1234560"), 8, wxT("123456%d"), 0);
594 DoMisc(-1, wxT("1234567"), 8, wxT("1234567%d"), 0);
595 DoMisc(-1, wxT("1234567"), 8, wxT("12345678%d"), 0);
596
597 DoMisc(6, wxT("12%45%"), 8, wxT("12%%45%%"));
598 DoMisc(7, wxT("12%45%7"), 8, wxT("12%%45%%7"));
599 DoMisc(-1, wxT("12%45%7"), 8, wxT("12%%45%%78"));
600
601 DoMisc(5, wxT("%%%%%"), 6, wxT("%%%%%%%%%%"));
602 DoMisc(6, wxT("%%%%12"), 7, wxT("%%%%%%%%%d"), 12);
603 }
604
605
606 /* (C) Copyright C E Chew
607 *
608 * Feel free to copy, use and distribute this software provided:
609 *
610 * 1. you do not pretend that you wrote it
611 * 2. you leave this copyright notice intact.
612 */
613
GlibcMisc1()614 void VsnprintfTestCase::GlibcMisc1()
615 {
616 CMP3(" ", "%5.s", "xyz");
617 CMP3(" 33", "%5.f", 33.3);
618 #ifdef wxUSING_VC_CRT_IO
619 // see the previous notes about the minimum width of mantissa:
620 CMP3(" 3e+008", "%8.e", 33.3e7);
621 CMP3(" 3E+008", "%8.E", 33.3e7);
622 CMP3("3e+001", "%.g", 33.3);
623 CMP3("3E+001", "%.G", 33.3);
624 #else
625 CMP3(" 3e+08", "%8.e", 33.3e7);
626 CMP3(" 3E+08", "%8.E", 33.3e7);
627 CMP3("3e+01", "%.g", 33.3);
628 CMP3("3E+01", "%.G", 33.3);
629 #endif
630 }
631
GlibcMisc2()632 void VsnprintfTestCase::GlibcMisc2()
633 {
634 int prec;
635 wxString test_format;
636
637 prec = 0;
638 CMP4("3", "%.*g", prec, 3.3);
639
640 prec = 0;
641 CMP4("3", "%.*G", prec, 3.3);
642
643 prec = 0;
644 CMP4(" 3", "%7.*G", prec, 3.33);
645
646 prec = 3;
647 CMP4(" 041", "%04.*o", prec, 33);
648
649 prec = 7;
650 CMP4(" 0000033", "%09.*u", prec, 33);
651
652 prec = 3;
653 CMP4(" 021", "%04.*x", prec, 33);
654
655 prec = 3;
656 CMP4(" 021", "%04.*X", prec, 33);
657 }
658
659 #endif // wxUSE_WXVSNPRINTF
660
661