#pragma hdrstop
#endif
+#include "wx/crt.h"
+
+#if wxUSE_WXVSNPRINTF
+
#ifndef WX_PRECOMP
#include "wx/wx.h"
#include "wx/wxchar.h"
static wxChar buf[MAX_TEST_LEN];
int r;
-// these macros makes it possible to write all tests without repeating a lot
+// these macros makes it possible to write all tests without repeating a lot
// of times the wxT() macro
-// NOTE: you should use expected strings with these macros which do not exceed
+// NOTE: you should use expected strings with these macros which do not exceed
// MAX_TEST_LEN as these macro do check if the return value is == (int)wxStrlen(buf)
#define ASSERT_STR_EQUAL( a, b ) \
CPPUNIT_ASSERT_EQUAL( wxString(a), wxString(b) );
-#define CMP5(expected, x, y, z, w) \
- r=wxSnprintf(buf, MAX_TEST_LEN, wxT(x), y, z, w); \
- CPPUNIT_ASSERT( r == (int)wxStrlen(buf) ); \
+#define CMP6(expected, fmt, y, z, w, t) \
+ r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt), y, z, w, t); \
+ CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) ); \
+ ASSERT_STR_EQUAL( wxT(expected), buf );
+
+#define CMP5(expected, fmt, y, z, w) \
+ r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt), y, z, w); \
+ CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) ); \
ASSERT_STR_EQUAL( wxT(expected), buf );
-#define CMP4(expected, x, y, z) \
- r=wxSnprintf(buf, MAX_TEST_LEN, wxT(x), y, z); \
- CPPUNIT_ASSERT( r == (int)wxStrlen(buf) ); \
+#define CMP4(expected, fmt, y, z) \
+ r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt), y, z); \
+ CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) ); \
ASSERT_STR_EQUAL( wxT(expected), buf );
-#define CMP3(expected, x, y) \
- r=wxSnprintf(buf, MAX_TEST_LEN, wxT(x), y); \
- CPPUNIT_ASSERT( r == (int)wxStrlen(buf) ); \
+#define CMP3(expected, fmt, y) \
+ r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt), y); \
+ CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) ); \
ASSERT_STR_EQUAL( wxT(expected), buf );
-#define CMP2(expected, x) \
- r=wxSnprintf(buf, MAX_TEST_LEN, wxT(x)); \
- CPPUNIT_ASSERT( r == (int)wxStrlen(buf) ); \
+#define CMP2(expected, fmt) \
+ r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt)); \
+ CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) ); \
ASSERT_STR_EQUAL( wxT(expected), buf );
// NOTE: this macro is used also with too-small buffers (see Miscellaneous())
// test function, thus the return value can be > size and thus we
// cannot check if r == (int)wxStrlen(buf)
-#define CMPTOSIZE(buffer, size, expected, fmt, x, y, z, w) \
- r=wxSnprintf(buffer, size, wxT(fmt), x, y, z, w); \
- CPPUNIT_ASSERT( r > 0 ); \
- CPPUNIT_ASSERT_EQUAL( wxString(wxT(expected)).Left(size - 1), \
- wxString(buffer) )
+#define CMPTOSIZE(buffer, size, failuremsg, expected, fmt, x, y, z, w) \
+ r=wxSnprintf(buffer, size, wxT(fmt), x, y, z, w); \
+ CPPUNIT_ASSERT( r > 0 ); \
+ CPPUNIT_ASSERT_EQUAL_MESSAGE( \
+ failuremsg, \
+ wxString(wxT(expected)).Left(size - 1), \
+ wxString(buffer))
+
+// this is the same as wxSnprintf() but it passes the format string to
+// wxVsnprintf() without using WX_ATTRIBUTE_PRINTF and thus suppresses the gcc
+// checks (and resulting warnings) for the format string
+//
+// use with extreme care and only when you're really sure the warnings must be
+// suppressed!
+template<typename T>
+static int
+wxUnsafeSnprintf(T *buf, size_t len, const wxChar *fmt, ...)
+{
+ va_list args;
+ va_start(args, fmt);
+
+ int rc = wxVsnprintf(buf, len, fmt, args);
+ va_end(args);
+ return rc;
+}
// ----------------------------------------------------------------------------
// test class
class VsnprintfTestCase : public CppUnit::TestCase
{
public:
- VsnprintfTestCase();
+ VsnprintfTestCase() {}
+
+ virtual void setUp();
private:
CPPUNIT_TEST_SUITE( VsnprintfTestCase );
#endif
void Unicode();
+ template<typename T>
+ void DoBigToSmallBuffer(T *buffer, int size);
void BigToSmallBuffer();
+
#if wxUSE_WXVSNPRINTF
void WrongFormatStrings();
#endif // wxUSE_WXVSNPRINTF
- void Miscellaneous();
- void Misc(wxChar *buffer, int size);
// compares the expectedString and the result of wxVsnprintf() char by char
// for all its lenght (not only for first expectedLen chars) and also
// checks the return value
void DoMisc(int expectedLen, const wxString& expectedString,
size_t max, const wxChar *format, ...);
+ void Miscellaneous();
DECLARE_NO_COPY_CLASS(VsnprintfTestCase)
};
// also include in it's own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( VsnprintfTestCase, "VsnprintfTestCase" );
-VsnprintfTestCase::VsnprintfTestCase()
+void VsnprintfTestCase::setUp()
{
+ // this call is required to avoid check failures when running on machines
+ // with a locale where the decimal point is not '.'
+ wxSetlocale(LC_ALL, "C");
}
void VsnprintfTestCase::C()
// printed as '(nil)'.
// MSVC always print them as %8X on 32 bit systems and as %16X
// on 64 bit systems
-#ifdef __VISUALC__
+ // mingw32 uses MSVC CRT by default so uses the same rules
+#if defined(__VISUALC__) || (defined(__MINGW32__) && !__USE_MINGW_ANSI_STDIO)
#if SIZEOF_VOID_P == 4
CMP3("00ABCDEF", "%p", (void*)0xABCDEF);
CMP3("00000000", "%p", (void*)NULL);
CMP3("0000ABCDEFABCDEF", "%p", (void*)0xABCDEFABCDEF);
CMP3("0000000000000000", "%p", (void*)NULL);
#endif
+#elif defined(__MINGW32__)
+ CMP3("0xabcdef", "%p", (void*)0xABCDEF);
+ CMP3("0", "%p", (void*)NULL);
#elif defined(__GNUG__)
CMP3("0xabcdef", "%p", (void*)0xABCDEF);
CMP3("(nil)", "%p", (void*)NULL);
CMP3("abcde", "%.5s", wxT("abcdefghi"));
// do the same tests but with Unicode characters:
-#if wxUSE_UNICODE && !defined(__VISUALC__) // FIXME: this doesn't compile with VC7
- #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
-
- // test a string which have the NULL character after "ab";
+#if wxUSE_UNICODE
+
+ // Unicode code points from U+03B1 to U+03B9 are the greek letters alpha-iota;
+ // UTF8 encoding of such code points is 0xCEB1 to 0xCEB9
+
+#define ALPHA "\xCE\xB1"
+ // alpha
+#define ABC "\xCE\xB1\xCE\xB2\xCE\xB3"
+ // alpha+beta+gamma
+#define ABCDE "\xCE\xB1\xCE\xB2\xCE\xB3\xCE\xB4\xCE\xB5"
+ // alpha+beta+gamma+delta+epsilon
+#define ABCDEFGHI "\xCE\xB1\xCE\xB2\xCE\xB3\xCE\xB4\xCE\xB5\xCE\xB6\xCE\xB7\xCE\xB8\xCE\xB9"
+ // alpha+beta+gamma+delta+epsilon+zeta+eta+theta+iota
+
+ // the 'expected' and 'arg' parameters of this macro are supposed to be
+ // UTF-8 strings
+#define CMP3_UTF8(expected, fmt, arg) \
+ CPPUNIT_ASSERT_EQUAL \
+ ( \
+ wxString::FromUTF8(expected).length(), \
+ wxSnprintf(buf, MAX_TEST_LEN, fmt, wxString::FromUTF8(arg)) \
+ ); \
+ CPPUNIT_ASSERT_EQUAL \
+ ( \
+ wxString::FromUTF8(expected), \
+ buf \
+ )
+
+ CMP3_UTF8(" " ABC, "%5s", ABC);
+ CMP3_UTF8(" " ALPHA, "%5s", ALPHA);
+ CMP3_UTF8(ABCDEFGHI, "%5s", ABCDEFGHI);
+ CMP3_UTF8(ABC " ", "%-5s", ABC);
+ CMP3_UTF8(ABCDEFGHI, "%-5s", ABCDEFGHI);
+ CMP3_UTF8(ABCDE, "%.5s", ABCDEFGHI);
+#endif // wxUSE_UNICODE
+
+ // test a string which has a NULL character after "ab";
// obviously it should be handled exactly like just as "ab"
CMP3(" ab", "%5s", wxT("ab\0cdefghi"));
}
CMP5("0.1", "%*.*f", 3, 1, 0.123);
CMP4("%0.002", "%%%.*f", 3, 0.0023456789);
+
+ CMP4(" a", "%*c", 8, 'a');
+ CMP4(" four", "%*s", 8, "four");
+ CMP6(" four four", "%*s %*s", 8, "four", 6, "four");
}
void VsnprintfTestCase::Percent()
#ifdef __WXMSW__
CMP3("123456789", "%I64d", (wxLongLong_t)123456789);
- CMP3("123456789abcdef", "%I64x", (wxLongLong_t)0x123456789abcdef);
+ CMP3("123456789abcdef", "%I64x", wxLL(0x123456789abcdef));
#endif
}
#endif
-void VsnprintfTestCase::Misc(wxChar *buffer, int size)
-{
- // 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). Luckily, in all implementations, when the
- // output buffer is too small, it's nonetheless filled up to its max size.
- //
- // Note that in the second case (i.e. when we're using our own implementation),
- // wxVsnprintf() will return the number of characters written in the standard
- // output or
- // -1 if there was an error in the format string
- // maxSize+1 if the output buffer is too small
-
- // test without positionals
- 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, "-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
-
- CMPTOSIZE(buffer, size,
- "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');
-}
-
-
// this test is only for our own implementation, the system implementation
// doesn't always give errors for invalid format strings (e.g. glibc doesn't)
// and as it's not required too (the behaviour is "undefined" according to the
-// spec), there is really no sense in testing for it (and the first 2 formats
-// in this test are not invalid at all in fact)
+// spec), there is really no sense in testing for it
#if wxUSE_WXVSNPRINTF
void VsnprintfTestCase::WrongFormatStrings()
{
// test how wxVsnprintf() behaves with wrong format string:
- // NB: the next 2 tests currently return an error but they shouldn't,
- // according to POSIX reusing the parameters is allowed
+#if 0
+ // NB: the next 2 tests currently return an error but it would be nice
+ // if they didn't (see ticket #9367)
// two positionals with the same index:
r = wxSnprintf(buf, MAX_TEST_LEN, wxT("%1$s %1$s"), "hello");
// three positionals with the same index mixed with other pos args:
r = wxSnprintf(buf, MAX_TEST_LEN, wxT("%4$d %2$f %1$s %2$s %3$d"), "hello", "world", 3, 4);
CPPUNIT_ASSERT(r != -1);
+#endif
// a missing positional arg: this should result in an error but not all
// implementations detect it (e.g. glibc doesn't)
#endif // wxUSE_WXVSNPRINTF
-void VsnprintfTestCase::BigToSmallBuffer()
+// BigToSmallBuffer() test case helper:
+template<typename T>
+void VsnprintfTestCase::DoBigToSmallBuffer(T *buffer, int size)
{
- wxChar buf[1024], buf2[16], buf3[4], buf4;
+ // Remember that wx*printf could be mapped either to system
+ // implementation or to wx implementation.
+ // In the first case, when the output buffer is too small, the returned
+ // value can be the number of characters required for the output buffer
+ // (conforming to ISO C99; implemented in e.g. GNU libc >= 2.1), or
+ // just a negative number, usually -1; (this is how e.g. MSVC's
+ // *printf() behaves). Luckily, in all implementations, when the
+ // output buffer is too small, it's nonetheless filled up to its max size.
+ //
+ // Note that in the second case (i.e. when we're using our own implementation),
+ // wxVsnprintf() will return the number of characters written in the standard
+ // output or
+ // -1 if there was an error in the format string
+ // maxSize+1 if the output buffer is too small
- Misc(buf, 1024);
- Misc(buf2, 16);
- Misc(buf3, 4);
- Misc(&buf4, 1);
+ wxString errStr;
+ errStr << "The size of the buffer was " << size;
+ std::string errMsg(errStr.mb_str());
+
+ // test without positionals
+ CMPTOSIZE(buffer, size, errMsg,
+ "123456789012 - test - 123 -4.567",
+ "%i%li - test - %d %.3f",
+ 123, (long int)456789012, 123, -4.567);
+
+#if wxUSE_PRINTF_POS_PARAMS
+ // test with positional
+ CMPTOSIZE(buffer, size, errMsg,
+ "-4.567 123 - test - 456789012 123",
+ "%4$.3f %1$i - test - %2$li %3$d",
+ 123, (long int)456789012, 123, -4.567);
+#endif
+
+ // test unicode/ansi conversion specifiers
+ //
+ // NB: we use wxUnsafeSnprintf() as %hs and %hc are invalid in printf
+ // format and gcc would warn about this otherwise
+
+ r = wxUnsafeSnprintf(buffer, size,
+ _T("unicode string/char: %ls/%lc -- ansi string/char: %hs/%hc"),
+ L"unicode", L'U', "ansi", 'A');
+ wxString expected =
+ wxString(wxT("unicode string/char: unicode/U -- ansi string/char: ansi/A")).Left(size - 1);
+
+ CPPUNIT_ASSERT( r != -1 );
+ CPPUNIT_ASSERT_EQUAL(
+ expected,
+ wxString(buffer)
+ );
}
+void VsnprintfTestCase::BigToSmallBuffer()
+{
+ // VC6 can't compile this code
+#if !defined(__VISUALC__) || (__VISUALC__ >= 1310)
+#if wxUSE_UNICODE
+ wchar_t bufw[1024], bufw2[16], bufw3[4], bufw4;
+ DoBigToSmallBuffer(bufw, 1024);
+ DoBigToSmallBuffer(bufw2, 16);
+ DoBigToSmallBuffer(bufw3, 4);
+ DoBigToSmallBuffer(&bufw4, 1);
+#endif // wxUSE_UNICODE
+
+ char bufa[1024], bufa2[16], bufa3[4], bufa4;
+ DoBigToSmallBuffer(bufa, 1024);
+ DoBigToSmallBuffer(bufa2, 16);
+ DoBigToSmallBuffer(bufa3, 4);
+ DoBigToSmallBuffer(&bufa4, 1);
+#endif // !VC6
+}
+
+// Miscellaneous() test case helper:
void VsnprintfTestCase::DoMisc(
int expectedLen,
const wxString& expectedString,
va_list ap;
va_start(ap, format);
-
+
int n = wxVsnprintf(buf, max, format, ap);
va_end(ap);
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);
+ 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);
}
+
+#endif // wxUSE_WXVSNPRINTF
projects / wxWidgets.git / blobdiff