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wx printf() implementation bug fixes ('%' handling, thread safety, ...) and optimisations (patch 1548750)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41023 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2006-09-05 21:14:38 +00:00
parent 21d124e03c
commit 412a5c570d
6 changed files with 577 additions and 164 deletions
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60
tests/strings/vsnprintf.cpp
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@@ -81,6 +81,8 @@ private:
CPPUNIT_TEST( G );
CPPUNIT_TEST( S );
CPPUNIT_TEST( Asterisk );
CPPUNIT_TEST( Percent );
CPPUNIT_TEST( LongLong );
CPPUNIT_TEST( BigToSmallBuffer );
CPPUNIT_TEST_SUITE_END();
@@ -90,6 +92,9 @@ private:
void G();
void S();
void Asterisk();
void Percent();
void LongLong();
void Unicode();
void BigToSmallBuffer();
void Misc(wxChar *buffer, int size);
@@ -179,15 +184,30 @@ void VsnprintfTestCase::S()
CMP3("abcde", "%.5s", wxT("abcdefghi"));
// some tests without any argument passed through ...
CMP2("%", "%%");
CMP2("%%%", "%%%%%%");
// 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"
// do not test odd number of '%' symbols as different implementations
// of snprintf() give different outputs as this situation is not considered
// by any standard (in fact, GCC will also warn you about a spurious % if
// you write %%% as argument of some *printf function !)
// Compare(wxT("%"), wxT("%%%"));
#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()
@@ -199,6 +219,30 @@ void VsnprintfTestCase::Asterisk()
CMP4("%0.002", "%%%.*f", 3, 0.0023456789);
}
void VsnprintfTestCase::Percent()
{
// some tests without any argument passed through ...
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
// by any standard (in fact, GCC will also warn you about a spurious % if
// you write %%% as argument of some *printf function !)
// Compare(wxT("%"), wxT("%%%"));
}
void VsnprintfTestCase::LongLong()
{
CMP3("123456789", "%lld", (long long int)123456789);
CMP3("-123456789", "%lld", (long long int)-123456789);
CMP3("123456789", "%llu", (unsigned long long int)123456789);
}
void VsnprintfTestCase::Misc(wxChar *buffer, int size)
{
// NB: remember that wx*printf could be mapped either to system