Amebis/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'printf-out-of-mem'

Browse Source 
Fix crash in wxString::PrintfV() due to integer overflow/running out of
memory.

See https://github.com/wxWidgets/wxWidgets/pull/2131
This commit is contained in:
Vadim Zeitlin
2020-12-04 20:01:30 +01:00
parent e98ac38dcb 344cc940a0
commit dc33f27e10
4 changed files with 235 additions and 317 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
tests/strings/vararg.cpp
View File

@@ -274,3 +274,29 @@ TEST_CASE("VeryLongArg", "[wxString][Format][vararg]")
REQUIRE( s.length() == LENGTH );
CHECK( s == veryLongString );
}
namespace
{
// Helpers for the "PrintfError" test: we must pass by these functions
// because specifying "%c" directly inline would convert it to "%lc" and avoid
// the error.
wxString CallPrintfV(const char* format, ...)
{
va_list ap;
va_start(ap, format);
wxString s;
s.PrintfV(wxString::FromAscii(format), ap);
va_end(ap);
return s;
}
} // anonymous namespace
TEST_CASE("PrintfError", "[wxString][Format][vararg][error]")
{
// Check that using invalid argument doesn't keep doubling the buffer until
// we run out of memory and die.
const int invalidChar = 0x1780;
REQUIRE_NOTHROW( CallPrintfV("%c", invalidChar) );
}

402
tests/strings/vsnprintf.cpp
View File

@@ -40,49 +40,24 @@
static wxChar buf[MAX_TEST_LEN];
int r;
// 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
// MAX_TEST_LEN as these macro do check if the return value is == (int)wxStrlen(buf)
// Helper macro verifying both the return value of wxSnprintf() and its output.
//
// NOTE: the expected string length with this macro must not exceed MAX_TEST_LEN
#define ASSERT_STR_EQUAL( a, b ) \
CPPUNIT_ASSERT_EQUAL( wxString(a), wxString(b) );
#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, 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, 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, fmt) \
r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt)); \
CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) ); \
ASSERT_STR_EQUAL( wxT(expected), buf );
#define CMP(expected, fmt, ...) \
r=wxSnprintf(buf, MAX_TEST_LEN, fmt, ##__VA_ARGS__); \
CHECK( r == (int)wxStrlen(buf) ); \
CHECK( buf == wxString(expected) )
// Another helper which takes the size explicitly instead of using MAX_TEST_LEN
//
// NOTE: this macro is used also with too-small buffers (see Miscellaneous())
// test function, thus the return value can be > size and thus we
// test function, thus the return value can be either -1 or > size and we
// cannot check if r == (int)wxStrlen(buf)
#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))
#define CMPTOSIZE(buffer, size, failuremsg, expected, fmt, ...) \
r=wxSnprintf(buffer, size, fmt, ##__VA_ARGS__); \
INFO(failuremsg); \
CHECK( buffer == wxString(expected).Left(size - 1) )
// this is the same as wxSnprintf() but it passes the format string to
// wxVsnprintf() without using WX_ATTRIBUTE_PRINTF and thus suppresses the gcc
@@ -105,93 +80,32 @@ wxUnsafeSnprintf(T *buf, size_t len, const wxChar *fmt, ...)
}
// ----------------------------------------------------------------------------
// test class
// test fixture
// ----------------------------------------------------------------------------
class VsnprintfTestCase : public CppUnit::TestCase
// Explicitly set C locale to avoid check failures when running on machines
// with a locale where the decimal point is not '.'
class VsnprintfTestCase : CLocaleSetter
{
public:
VsnprintfTestCase() {}
virtual void setUp() wxOVERRIDE;
private:
CPPUNIT_TEST_SUITE( VsnprintfTestCase );
CPPUNIT_TEST( C );
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( WrongFormatStrings );
CPPUNIT_TEST( Miscellaneous );
CPPUNIT_TEST( GlibcMisc1 );
CPPUNIT_TEST( GlibcMisc2 );
CPPUNIT_TEST_SUITE_END();
void C();
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();
VsnprintfTestCase() : CLocaleSetter() { }
protected:
template<typename T>
void DoBigToSmallBuffer(T *buffer, int size);
void BigToSmallBuffer();
void WrongFormatStrings();
// compares the expectedString and the result of wxVsnprintf() char by char
// for all its length (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();
void GlibcMisc1();
void GlibcMisc2();
wxDECLARE_NO_COPY_CLASS(VsnprintfTestCase);
};
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( VsnprintfTestCase );
// also include in its own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( VsnprintfTestCase, "VsnprintfTestCase" );
void VsnprintfTestCase::setUp()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::C", "[vsnprintf]")
{
// 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()
{
CMP5("hi!", "%c%c%c", wxT('h'), wxT('i'), wxT('!'));
CMP("hi!", "%c%c%c", wxT('h'), wxT('i'), wxT('!'));
// NOTE:
// the NULL characters _can_ be passed to %c to e.g. create strings
@@ -201,30 +115,30 @@ void VsnprintfTestCase::C()
DoMisc(14, wxT("Hello \0 World!"), 16, wxT("Hello %c World!"), wxT('\0'));
}
void VsnprintfTestCase::D()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::D", "[vsnprintf]")
{
CMP3("+123456", "%+d", 123456);
CMP3("-123456", "%d", -123456);
CMP3(" 123456", "% d", 123456);
CMP3(" 123456", "%10d", 123456);
CMP3("0000123456", "%010d", 123456);
CMP3("-123456 ", "%-10d", -123456);
CMP("+123456", "%+d", 123456);
CMP("-123456", "%d", -123456);
CMP(" 123456", "% d", 123456);
CMP(" 123456", "%10d", 123456);
CMP("0000123456", "%010d", 123456);
CMP("-123456 ", "%-10d", -123456);
}
void VsnprintfTestCase::X()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::X", "[vsnprintf]")
{
CMP3("ABCD", "%X", 0xABCD);
CMP3("0XABCD", "%#X", 0xABCD);
CMP3("0xabcd", "%#x", 0xABCD);
CMP("ABCD", "%X", 0xABCD);
CMP("0XABCD", "%#X", 0xABCD);
CMP("0xabcd", "%#x", 0xABCD);
}
void VsnprintfTestCase::O()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::O", "[vsnprintf]")
{
CMP3("1234567", "%o", 01234567);
CMP3("01234567", "%#o", 01234567);
CMP("1234567", "%o", 01234567);
CMP("01234567", "%#o", 01234567);
}
void VsnprintfTestCase::P()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::P", "[vsnprintf]")
{
// The exact format used for "%p" is not specified by the standard and so
// varies among different platforms, so we need to expect different results
@@ -235,37 +149,37 @@ void VsnprintfTestCase::P()
#if defined(__VISUALC__) || (defined(__MINGW32__) && \
(!defined(__USE_MINGW_ANSI_STDIO) || !__USE_MINGW_ANSI_STDIO))
#if SIZEOF_VOID_P == 4
CMP3("00ABCDEF", "%p", (void*)0xABCDEF);
CMP3("00000000", "%p", (void*)NULL);
CMP("00ABCDEF", "%p", (void*)0xABCDEF);
CMP("00000000", "%p", (void*)NULL);
#elif SIZEOF_VOID_P == 8
CMP3("0000ABCDEFABCDEF", "%p", (void*)0xABCDEFABCDEF);
CMP3("0000000000000000", "%p", (void*)NULL);
CMP("0000ABCDEFABCDEF", "%p", (void*)0xABCDEFABCDEF);
CMP("0000000000000000", "%p", (void*)NULL);
#endif
#elif defined(__MINGW32__)
#if SIZEOF_VOID_P == 4
CMP3("00abcdef", "%p", (void*)0xABCDEF);
CMP3("00000000", "%p", (void*)NULL);
CMP("00abcdef", "%p", (void*)0xABCDEF);
CMP("00000000", "%p", (void*)NULL);
#elif SIZEOF_VOID_P == 8
CMP3("0000abcdefabcdef", "%p", (void*)0xABCDEFABCDEF);
CMP3("0000000000000000", "%p", (void*)NULL);
CMP("0000abcdefabcdef", "%p", (void*)0xABCDEFABCDEF);
CMP("0000000000000000", "%p", (void*)NULL);
#endif
#elif defined(__GNUG__)
// glibc prints pointers as %#x except for NULL pointers which are printed
// as '(nil)'.
CMP3("0xabcdef", "%p", (void*)0xABCDEF);
CMP3("(nil)", "%p", (void*)NULL);
CMP("0xabcdef", "%p", (void*)0xABCDEF);
CMP("(nil)", "%p", (void*)NULL);
#endif
}
void VsnprintfTestCase::N()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::N", "[vsnprintf]")
{
int nchar;
wxSnprintf(buf, MAX_TEST_LEN, wxT("%d %s%n\n"), 3, wxT("bears"), &nchar);
CPPUNIT_ASSERT_EQUAL( 7, nchar );
CHECK( nchar == 7 );
}
void VsnprintfTestCase::E()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::E", "[vsnprintf]")
{
// NB: Use at least three digits for the exponent to workaround
// differences between MSVC, MinGW and GNU libc.
@@ -275,64 +189,64 @@ void VsnprintfTestCase::E()
// printf("%e",2.342E+02);
// -> under MSVC7.1 prints: 2.342000e+002
// -> under GNU libc 2.4 prints: 2.342000e+02
CMP3("2.342000e+112", "%e",2.342E+112);
CMP3("-2.3420e-112", "%10.4e",-2.342E-112);
CMP3("-2.3420e-112", "%11.4e",-2.342E-112);
CMP3(" -2.3420e-112", "%15.4e",-2.342E-112);
CMP("2.342000e+112", "%e",2.342E+112);
CMP("-2.3420e-112", "%10.4e",-2.342E-112);
CMP("-2.3420e-112", "%11.4e",-2.342E-112);
CMP(" -2.3420e-112", "%15.4e",-2.342E-112);
CMP3("-0.02342", "%G",-2.342E-02);
CMP3("3.1415E-116", "%G",3.1415e-116);
CMP3("0003.141500e+103", "%016e", 3141.5e100);
CMP3(" 3.141500e+103", "%16e", 3141.5e100);
CMP3("3.141500e+103 ", "%-16e", 3141.5e100);
CMP3("3.142e+103", "%010.3e", 3141.5e100);
CMP("-0.02342", "%G",-2.342E-02);
CMP("3.1415E-116", "%G",3.1415e-116);
CMP("0003.141500e+103", "%016e", 3141.5e100);
CMP(" 3.141500e+103", "%16e", 3141.5e100);
CMP("3.141500e+103 ", "%-16e", 3141.5e100);
CMP("3.142e+103", "%010.3e", 3141.5e100);
}
void VsnprintfTestCase::F()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::F", "[vsnprintf]")
{
CMP3("3.300000", "%5f", 3.3);
CMP3("3.000000", "%5f", 3.0);
CMP3("0.000100", "%5f", .999999E-4);
CMP3("0.000990", "%5f", .99E-3);
CMP3("3333.000000", "%5f", 3333.0);
CMP("3.300000", "%5f", 3.3);
CMP("3.000000", "%5f", 3.0);
CMP("0.000100", "%5f", .999999E-4);
CMP("0.000990", "%5f", .99E-3);
CMP("3333.000000", "%5f", 3333.0);
}
void VsnprintfTestCase::G()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::G", "[vsnprintf]")
{
// NOTE: the same about E() testcase applies here...
CMP3(" 3.3", "%5g", 3.3);
CMP3(" 3", "%5g", 3.0);
CMP3("9.99999e-115", "%5g", .999999E-114);
CMP3("0.00099", "%5g", .99E-3);
CMP3(" 3333", "%5g", 3333.0);
CMP3(" 0.01", "%5g", 0.01);
CMP(" 3.3", "%5g", 3.3);
CMP(" 3", "%5g", 3.0);
CMP("9.99999e-115", "%5g", .999999E-114);
CMP("0.00099", "%5g", .99E-3);
CMP(" 3333", "%5g", 3333.0);
CMP(" 0.01", "%5g", 0.01);
CMP3(" 3", "%5.g", 3.3);
CMP3(" 3", "%5.g", 3.0);
CMP3("1e-114", "%5.g", .999999E-114);
CMP3("0.0001", "%5.g", 1.0E-4);
CMP3("0.001", "%5.g", .99E-3);
CMP3("3e+103", "%5.g", 3333.0E100);
CMP3(" 0.01", "%5.g", 0.01);
CMP(" 3", "%5.g", 3.3);
CMP(" 3", "%5.g", 3.0);
CMP("1e-114", "%5.g", .999999E-114);
CMP("0.0001", "%5.g", 1.0E-4);
CMP("0.001", "%5.g", .99E-3);
CMP("3e+103", "%5.g", 3333.0E100);
CMP(" 0.01", "%5.g", 0.01);
CMP3(" 3.3", "%5.2g", 3.3);
CMP3(" 3", "%5.2g", 3.0);
CMP3("1e-114", "%5.2g", .999999E-114);
CMP3("0.00099", "%5.2g", .99E-3);
CMP3("3.3e+103", "%5.2g", 3333.0E100);
CMP3(" 0.01", "%5.2g", 0.01);
CMP(" 3.3", "%5.2g", 3.3);
CMP(" 3", "%5.2g", 3.0);
CMP("1e-114", "%5.2g", .999999E-114);
CMP("0.00099", "%5.2g", .99E-3);
CMP("3.3e+103", "%5.2g", 3333.0E100);
CMP(" 0.01", "%5.2g", 0.01);
}
void VsnprintfTestCase::S()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::S", "[vsnprintf]")
{
CMP3(" abc", "%5s", wxT("abc"));
CMP3(" a", "%5s", wxT("a"));
CMP3("abcdefghi", "%5s", wxT("abcdefghi"));
CMP3("abc ", "%-5s", wxT("abc"));
CMP3("abcdefghi", "%-5s", wxT("abcdefghi"));
CMP(" abc", "%5s", wxT("abc"));
CMP(" a", "%5s", wxT("a"));
CMP("abcdefghi", "%5s", wxT("abcdefghi"));
CMP("abc ", "%-5s", wxT("abc"));
CMP("abcdefghi", "%-5s", wxT("abcdefghi"));
CMP3("abcde", "%.5s", wxT("abcdefghi"));
CMP("abcde", "%.5s", wxT("abcdefghi"));
// do the same tests but with Unicode characters:
#if wxUSE_UNICODE
@@ -351,52 +265,48 @@ void VsnprintfTestCase::S()
// the 'expected' and 'arg' parameters of this macro are supposed to be
// UTF-8 strings
#define CMP3_UTF8(expected, fmt, arg) \
CPPUNIT_ASSERT_EQUAL \
#define CMP_UTF8(expected, fmt, arg) \
CHECK \
( \
wxString::FromUTF8(expected).length(), \
(int)wxString::FromUTF8(expected).length() == \
wxSnprintf(buf, MAX_TEST_LEN, fmt, wxString::FromUTF8(arg)) \
); \
CPPUNIT_ASSERT_EQUAL \
( \
wxString::FromUTF8(expected), \
buf \
)
CHECK( 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);
CMP_UTF8(" " ABC, "%5s", ABC);
CMP_UTF8(" " ALPHA, "%5s", ALPHA);
CMP_UTF8(ABCDEFGHI, "%5s", ABCDEFGHI);
CMP_UTF8(ABC " ", "%-5s", ABC);
CMP_UTF8(ABCDEFGHI, "%-5s", ABCDEFGHI);
CMP_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"));
CMP(" ab", "%5s", wxT("ab\0cdefghi"));
}
void VsnprintfTestCase::Asterisk()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::Asterisk", "[vsnprintf]")
{
CMP5(" 0.1", "%*.*f", 10, 1, 0.123);
CMP5(" 0.1230", "%*.*f", 10, 4, 0.123);
CMP5("0.1", "%*.*f", 3, 1, 0.123);
CMP(" 0.1", "%*.*f", 10, 1, 0.123);
CMP(" 0.1230", "%*.*f", 10, 4, 0.123);
CMP("0.1", "%*.*f", 3, 1, 0.123);
CMP4("%0.002", "%%%.*f", 3, 0.0023456789);
CMP("%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");
CMP(" a", "%*c", 8, 'a');
CMP(" four", "%*s", 8, "four");
CMP(" four four", "%*s %*s", 8, "four", 6, "four");
}
void VsnprintfTestCase::Percent()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::Percent", "[vsnprintf]")
{
// some tests without any argument passed through ...
CMP2("%", "%%");
CMP2("%%%", "%%%%%%");
CMP("%", "%%");
CMP("%%%", "%%%%%%");
CMP3("% abc", "%%%5s", wxT("abc"));
CMP3("% abc%", "%%%5s%%", wxT("abc"));
CMP("% abc", "%%%5s", wxT("abc"));
CMP("% 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
@@ -406,21 +316,21 @@ void VsnprintfTestCase::Percent()
}
#ifdef wxLongLong_t
void VsnprintfTestCase::LongLong()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::LongLong", "[vsnprintf]")
{
CMP3("123456789", "%lld", (wxLongLong_t)123456789);
CMP3("-123456789", "%lld", (wxLongLong_t)-123456789);
CMP("123456789", "%lld", (wxLongLong_t)123456789);
CMP("-123456789", "%lld", (wxLongLong_t)-123456789);
CMP3("123456789", "%llu", (wxULongLong_t)123456789);
CMP("123456789", "%llu", (wxULongLong_t)123456789);
#ifdef __WINDOWS__
CMP3("123456789", "%I64d", (wxLongLong_t)123456789);
CMP3("123456789abcdef", "%I64x", wxLL(0x123456789abcdef));
CMP("123456789", "%I64d", (wxLongLong_t)123456789);
CMP("123456789abcdef", "%I64x", wxLL(0x123456789abcdef));
#endif
}
#endif
void VsnprintfTestCase::WrongFormatStrings()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::WrongFormatStrings", "[vsnprintf]")
{
// test how wxVsnprintf() behaves with wrong format string:
@@ -429,8 +339,10 @@ void VsnprintfTestCase::WrongFormatStrings()
wxSnprintf(buf, MAX_TEST_LEN, wxT("%1$d %3$d"), 1, 2, 3) );
// positional and non-positionals in the same format string:
errno = 0;
r = wxSnprintf(buf, MAX_TEST_LEN, wxT("%1$d %d %3$d"), 1, 2, 3);
CPPUNIT_ASSERT_EQUAL(-1, r);
CHECK( r == -1 );
CHECK( errno == EINVAL );
}
// BigToSmallBuffer() test case helper:
@@ -481,14 +393,10 @@ void VsnprintfTestCase::DoBigToSmallBuffer(T *buffer, int size)
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)
);
CHECK( expected == buffer );
}
void VsnprintfTestCase::BigToSmallBuffer()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::BigToSmallBuffer", "[vsnprintf]")
{
#if wxUSE_UNICODE
wchar_t bufw[1024], bufw2[16], bufw3[4], bufw4;
@@ -541,18 +449,22 @@ void VsnprintfTestCase::DoMisc(
std::string errMsg(errStr.mb_str());
std::string overflowMsg(overflowStr.mb_str());
INFO(errMsg);
if ( size_t(n) < max )
CPPUNIT_ASSERT_MESSAGE(errMsg, expectedLen == n);
CHECK(expectedLen == n);
else
CPPUNIT_ASSERT_MESSAGE(errMsg, expectedLen == -1);
CHECK(expectedLen == -1);
CPPUNIT_ASSERT_MESSAGE(errMsg, expectedString == buf);
CHECK(expectedString == buf);
for (i = max; i < BUFSIZE; i++)
CPPUNIT_ASSERT_MESSAGE(overflowMsg, buf[i] == '*');
{
INFO(overflowMsg);
CHECK(buf[i] == '*');
}
}
void VsnprintfTestCase::Miscellaneous()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::Miscellaneous", "[vsnprintf]")
{
// expectedLen, expectedString, max, format, ...
DoMisc(5, wxT("-1234"), 8, wxT("%d"), -1234);
@@ -586,48 +498,48 @@ void VsnprintfTestCase::Miscellaneous()
* 2. you leave this copyright notice intact.
*/
void VsnprintfTestCase::GlibcMisc1()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::GlibcMisc1", "[vsnprintf]")
{
CMP3(" ", "%5.s", "xyz");
CMP3(" 33", "%5.f", 33.3);
CMP(" ", "%5.s", "xyz");
CMP(" 33", "%5.f", 33.3);
#if defined(wxDEFAULT_MANTISSA_SIZE_3)
CMP3(" 3e+008", "%8.e", 33.3e7);
CMP3(" 3E+008", "%8.E", 33.3e7);
CMP3("3e+001", "%.g", 33.3);
CMP3("3E+001", "%.G", 33.3);
CMP(" 3e+008", "%8.e", 33.3e7);
CMP(" 3E+008", "%8.E", 33.3e7);
CMP("3e+001", "%.g", 33.3);
CMP("3E+001", "%.G", 33.3);
#else
CMP3(" 3e+08", "%8.e", 33.3e7);
CMP3(" 3E+08", "%8.E", 33.3e7);
CMP3("3e+01", "%.g", 33.3);
CMP3("3E+01", "%.G", 33.3);
CMP(" 3e+08", "%8.e", 33.3e7);
CMP(" 3E+08", "%8.E", 33.3e7);
CMP("3e+01", "%.g", 33.3);
CMP("3E+01", "%.G", 33.3);
#endif
}
void VsnprintfTestCase::GlibcMisc2()
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::GlibcMisc2", "[vsnprintf]")
{
int prec;
wxString test_format;
prec = 0;
CMP4("3", "%.*g", prec, 3.3);
CMP("3", "%.*g", prec, 3.3);
prec = 0;
CMP4("3", "%.*G", prec, 3.3);
CMP("3", "%.*G", prec, 3.3);
prec = 0;
CMP4(" 3", "%7.*G", prec, 3.33);
CMP(" 3", "%7.*G", prec, 3.33);
prec = 3;
CMP4(" 041", "%04.*o", prec, 33);
CMP(" 041", "%04.*o", prec, 33);
prec = 7;
CMP4(" 0000033", "%09.*u", prec, 33);
CMP(" 0000033", "%09.*u", prec, 33);
prec = 3;
CMP4(" 021", "%04.*x", prec, 33);
CMP(" 021", "%04.*x", prec, 33);
prec = 3;
CMP4(" 021", "%04.*X", prec, 33);
CMP(" 021", "%04.*X", prec, 33);
}
#endif // wxUSE_WXVSNPRINTF