X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/829d1102d21232ba2631a97ba905090e1a78c3e9..5ea50c92a5d5a3f261c2aa849849a21a6898ed11:/tests/strings/vsnprintf.cpp?ds=sidebyside diff --git a/tests/strings/vsnprintf.cpp b/tests/strings/vsnprintf.cpp index d58b8c48d6..640cc307a6 100644 --- a/tests/strings/vsnprintf.cpp +++ b/tests/strings/vsnprintf.cpp @@ -30,44 +30,39 @@ // temporary buffers -static wxChar buf[MAX_TEST_LEN], buf2[MAX_TEST_LEN]; - +static wxChar buf[MAX_TEST_LEN]; // these macros makes it possible to write all tests without repeating a lot of times wxT() macro +#define ASSERT_STR_EQUAL( a, b ) \ + CPPUNIT_ASSERT_EQUAL( wxString(a), wxString(b) ); + #define CMP5(expected, x, y, z, w) \ wxSnprintf(buf, MAX_TEST_LEN, wxT(x), y, z, w); \ - snprintf(buf2, MAX_TEST_LEN, wxT(x), y, z, w); \ \ - CPPUNIT_ASSERT_STR_EQUAL( buf2, buf ); \ - CPPUNIT_ASSERT_STR_EQUAL( expected, buf ); + ASSERT_STR_EQUAL( wxT(expected), buf ); #define CMP4(expected, x, y, z) \ wxSnprintf(buf, MAX_TEST_LEN, wxT(x), y, z); \ - snprintf(buf2, MAX_TEST_LEN, wxT(x), y, z); \ \ - CPPUNIT_ASSERT_STR_EQUAL( buf2, buf ); \ - CPPUNIT_ASSERT_STR_EQUAL( expected, buf ); + ASSERT_STR_EQUAL( wxT(expected), buf ); #define CMP3(expected, x, y) \ wxSnprintf(buf, MAX_TEST_LEN, wxT(x), y); \ - snprintf(buf2, MAX_TEST_LEN, wxT(x), y); \ \ - CPPUNIT_ASSERT_STR_EQUAL( buf2, buf ); \ - CPPUNIT_ASSERT_STR_EQUAL( expected, buf ); + ASSERT_STR_EQUAL( wxT(expected), buf ); #define CMP2(expected, x) \ wxSnprintf(buf, MAX_TEST_LEN, wxT(x)); \ - snprintf(buf2, MAX_TEST_LEN, wxT(x)); \ \ - CPPUNIT_ASSERT_STR_EQUAL( buf2, buf ); \ - CPPUNIT_ASSERT_STR_EQUAL( expected, buf ); + ASSERT_STR_EQUAL( wxT(expected), buf ); + +#define CMPTOSIZE(buffer, size, expected, fmt, x, y, z, w) \ + wxSnprintf(buffer, size, wxT(fmt), x, y, z, w); \ + \ + CPPUNIT_ASSERT_EQUAL( wxString(wxT(expected)).Left(size - 1), \ + wxString(buffer) ) -#define CMPTOSIZE(buffer, size, fmt, x, y, z, w) \ - wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt), x, y, z, w); \ - snprintf(buf2, MAX_TEST_LEN, wxT(fmt), x, y, z, w); \ - \ - CPPUNIT_ASSERT_EQUAL( wxString(buf2, size), wxString(buf, size) ); // ---------------------------------------------------------------------------- @@ -81,22 +76,43 @@ public: private: CPPUNIT_TEST_SUITE( VsnprintfTestCase ); + CPPUNIT_TEST( D ); + CPPUNIT_TEST( X ); + CPPUNIT_TEST( O ); + CPPUNIT_TEST( P ); + CPPUNIT_TEST( N ); CPPUNIT_TEST( E ); CPPUNIT_TEST( F ); CPPUNIT_TEST( G ); CPPUNIT_TEST( S ); CPPUNIT_TEST( Asterisk ); + CPPUNIT_TEST( Percent ); +#ifdef wxLongLong_t + CPPUNIT_TEST( LongLong ); +#endif CPPUNIT_TEST( BigToSmallBuffer ); + CPPUNIT_TEST( Miscellaneous ); CPPUNIT_TEST_SUITE_END(); + void D(); + void X(); + void O(); + void P(); + void N(); void E(); void F(); void G(); void S(); void Asterisk(); + void Percent(); +#ifdef wxLongLong_t + void LongLong(); +#endif + void Unicode(); void BigToSmallBuffer(); + void Miscellaneous(); void Misc(wxChar *buffer, int size); DECLARE_NO_COPY_CLASS(VsnprintfTestCase) @@ -112,6 +128,58 @@ VsnprintfTestCase::VsnprintfTestCase() { } +void VsnprintfTestCase::D() +{ + CMP3("+123456", "%+d", 123456); + CMP3("-123456", "%d", -123456); + CMP3(" 123456", "% d", 123456); + CMP3(" 123456", "%10d", 123456); + CMP3("0000123456", "%010d", 123456); + CMP3("-123456 ", "%-10d", -123456); +} + +void VsnprintfTestCase::X() +{ + CMP3("ABCD", "%X", 0xABCD); + CMP3("0XABCD", "%#X", 0xABCD); + CMP3("0xabcd", "%#x", 0xABCD); +} + +void VsnprintfTestCase::O() +{ + CMP3("1234567", "%o", 01234567); + CMP3("01234567", "%#o", 01234567); +} + +void VsnprintfTestCase::P() +{ + // WARNING: printing of pointers is not fully standard. + // GNU prints them as %#x except for NULL pointers which are + // printed as '(nil)'. + // MSVC always print them as %8X on 32 bit systems and as %16X + // on 64 bit systems +#ifdef __VISUALC__ + #if SIZEOF_VOID_P == 4 + CMP3("00ABCDEF", "%p", (void*)0xABCDEF); + CMP3("00000000", "%p", (void*)NULL); + #elif SIZEOF_VOID_P == 8 + CMP3("0000ABCDEFABCDEF", "%p", (void*)0xABCDEFABCDEF); + CMP3("0000000000000000", "%p", (void*)NULL); + #endif +#elif defined(__GNUG__) + CMP3("0xabcdef", "%p", (void*)0xABCDEF); + CMP3("(nil)", "%p", (void*)NULL); +#endif +} + +void VsnprintfTestCase::N() +{ + int nchar; + + wxSnprintf(buf, MAX_TEST_LEN, _T("%d %s%n\n"), 3, _T("bears"), &nchar); + CPPUNIT_ASSERT_EQUAL( 7, nchar ); +} + void VsnprintfTestCase::E() { // NB: there are no standards about the minimum exponent width @@ -184,9 +252,49 @@ void VsnprintfTestCase::S() CMP3("abcde", "%.5s", wxT("abcdefghi")); + // do the same tests but with Unicode characters: +#if wxUSE_UNICODE + #define ALPHA "\x3B1" + #define BETA "\x3B2" + #define GAMMA "\x3B3" + #define DELTA "\x3B4" + #define EPSILON "\x3B5" + #define ZETA "\x3B6" + #define ETA "\x3B7" + #define THETA "\x3B8" + #define IOTA "\x3B9" + + #define ABC ALPHA BETA GAMMA + #define ABCDE ALPHA BETA GAMMA DELTA EPSILON + #define ABCDEFGHI ALPHA BETA GAMMA DELTA EPSILON ZETA ETA THETA IOTA + + CMP3(" " ABC, "%5s", wxT(ABC)); + CMP3(" " ALPHA, "%5s", wxT(ALPHA)); + CMP3(ABCDEFGHI, "%5s", wxT(ABCDEFGHI)); + CMP3(ABC " ", "%-5s", wxT(ABC)); + CMP3(ABCDEFGHI, "%-5s", wxT(ABCDEFGHI)); + + CMP3(ABCDE, "%.5s", wxT(ABCDEFGHI)); +#endif +} + +void VsnprintfTestCase::Asterisk() +{ + CMP5(" 0.1", "%*.*f", 10, 1, 0.123); + CMP5(" 0.1230", "%*.*f", 10, 4, 0.123); + CMP5("0.1", "%*.*f", 3, 1, 0.123); + + CMP4("%0.002", "%%%.*f", 3, 0.0023456789); +} + +void VsnprintfTestCase::Percent() +{ // some tests without any argument passed through ... - CMP2(wxT("%"), wxT("%%")); - CMP2(wxT("%%%"), wxT("%%%%%%")); + CMP2("%", "%%"); + CMP2("%%%", "%%%%%%"); + + CMP3("% abc", "%%%5s", wxT("abc")); + CMP3("% abc%", "%%%5s%%", wxT("abc")); // do not test odd number of '%' symbols as different implementations // of snprintf() give different outputs as this situation is not considered @@ -195,46 +303,50 @@ void VsnprintfTestCase::S() // Compare(wxT("%"), wxT("%%%")); } -void VsnprintfTestCase::Asterisk() +#ifdef wxLongLong_t +void VsnprintfTestCase::LongLong() { - CMP5(" 0.1", "%*.*f", 10, 1, 0.123); - CMP5(" 0.1230", "%*.*f", 10, 4, 0.123); - CMP5("0.1", "%*.*f", 3, 1, 0.123); + CMP3("123456789", "%lld", (wxLongLong_t)123456789); + CMP3("-123456789", "%lld", (wxLongLong_t)-123456789); - CMP4("%0.002", "%%%.*f", 3, 0.0023456789); + CMP3("123456789", "%llu", (wxULongLong_t)123456789); } +#endif void VsnprintfTestCase::Misc(wxChar *buffer, int size) { - // NB: remember that wx*printf could be mapped either to system implementation or to - // wx implementation. - // In the first case, when the output buffer is too small, the returned value can - // be the number of characters required for the output buffer (conforming to ISO C99; - // implemented in e.g. GNU libc >= 2.1), or just a negative number, usually -1; - // (this is how e.g. MSVC's *printf() behaves). - // Fortunately, in all implementations, when the output buffer is too small, it's - // nonetheless filled up to its max size. + // NB: remember that wx*printf could be mapped either to system + // implementation or to wx implementation. + // In the first case, when the output buffer is too small, the returned + // value can be the number of characters required for the output buffer + // (conforming to ISO C99; implemented in e.g. GNU libc >= 2.1), or + // just a negative number, usually -1; (this is how e.g. MSVC's + // *printf() behaves). Fortunately, in all implementations, when the + // output buffer is too small, it's nonetheless filled up to its max + // size. // test without positionals - CMPTOSIZE(buffer, size, - wxT("%i %li - test - %d %.3f"), + CMPTOSIZE(buffer, size, "123 444444444 - test - 555 -0.666", + "%i %li - test - %d %.3f", 123, (long int)444444444, 555, -0.666); #if wxUSE_PRINTF_POS_PARAMS // test with positional - CMPTOSIZE(buffer, size, - wxT("%4$.3f %1$i - test - %2$li %3$d"), + CMPTOSIZE(buffer, size, "-0.666 123 - test - 444444444 555", + "%4$.3f %1$i - test - %2$li %3$d", 123, (long int)444444444, 555, -0.666); #endif // test unicode/ansi conversion specifiers // NB: this line will output two warnings like these, on GCC: - // warning: use of ‘h’ length modifier with ‘s’ type character - // (i.e. GCC warns you that 'h' is not legal on 's' conv spec) but they must be ignored - // as here we explicitely want to test the wxSnprintf() behaviour in such case + // warning: use of 'h' length modifier with 's' type character (i.e. + // GCC warns you that 'h' is not legal on 's' conv spec) but they must + // be ignored as here we explicitely want to test the wxSnprintf() + // behaviour in such case CMPTOSIZE(buffer, size, - wxT("unicode string: %ls %lc - ansi string: %hs %hc\n\n"), + "unicode string: unicode!! W - ansi string: ansi!! w\n\n", + "unicode string: %ls %lc - ansi string: %hs %hc\n\n", L"unicode!!", L'W', "ansi!!", 'w'); } @@ -247,3 +359,73 @@ void VsnprintfTestCase::BigToSmallBuffer() Misc(buf3, 4); Misc(&buf4, 1); } + +static void DoMisc( + int expectedLen, + const wxString& expectedString, + size_t max, + const wxChar *format, ...) +{ + const size_t BUFSIZE = 16; + wxChar buf[BUFSIZE + 1]; + size_t i; + static int count = 0; + + wxASSERT(max <= BUFSIZE); + + for (i = 0; i < BUFSIZE; i++) + buf[i] = '*'; + buf[BUFSIZE] = 0; + + va_list ap; + va_start(ap, format); + + int n = wxVsnprintf(buf, max, format, ap); + + va_end(ap); + + // Prepare messages so that it is possible to see from the error which + // test was running. + wxString errStr, overflowStr; + errStr << _T("No.: ") << ++count << _T(", expected: ") << expectedLen + << _T(" '") << expectedString << _T("', result: "); + overflowStr << errStr << _T("buffer overflow"); + errStr << n << _T(" '") << buf << _T("'"); + + // turn them into std::strings + std::string errMsg(errStr.mb_str()); + std::string overflowMsg(overflowStr.mb_str()); + + CPPUNIT_ASSERT_MESSAGE(errMsg, + (expectedLen == -1 && size_t(n) >= max) || expectedLen == n); + + CPPUNIT_ASSERT_MESSAGE(errMsg, expectedString == buf); + + for (i = max; i < BUFSIZE; i++) + CPPUNIT_ASSERT_MESSAGE(overflowMsg, buf[i] == '*'); +} + +void VsnprintfTestCase::Miscellaneous() +{ + // expectedLen, expectedString, max, format, ... + DoMisc(5, wxT("-1234"), 8, wxT("%d"), -1234); + DoMisc(7, wxT("1234567"), 8, wxT("%d"), 1234567); + DoMisc(-1, wxT("1234567"), 8, wxT("%d"), 12345678); + DoMisc(-1, wxT("-123456"), 8, wxT("%d"), -1234567890); + + DoMisc(6, wxT("123456"), 8, wxT("123456")); + DoMisc(7, wxT("1234567"), 8, wxT("1234567")); + DoMisc(-1, wxT("1234567"), 8, wxT("12345678")); + + DoMisc(6, wxT("123450"), 8, wxT("12345%d"), 0); + DoMisc(7, wxT("1234560"), 8, wxT("123456%d"), 0); + DoMisc(-1, wxT("1234567"), 8, wxT("1234567%d"), 0); + DoMisc(-1, wxT("1234567"), 8, wxT("12345678%d"), 0); + + DoMisc(6, wxT("12%45%"), 8, wxT("12%%45%%")); + DoMisc(7, wxT("12%45%7"), 8, wxT("12%%45%%7")); + DoMisc(-1, wxT("12%45%7"), 8, wxT("12%%45%%78")); + + DoMisc(5, wxT("%%%%%"), 6, wxT("%%%%%%%%%%")); + DoMisc(6, wxT("%%%%12"), 7, wxT("%%%%%%%%%d"), 12); +}