Changed several occurrences of "it's" where "its" is meant, as well as a few other minor typos. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67656 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			662 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			662 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| ///////////////////////////////////////////////////////////////////////////////
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| // Name:        tests/strings/vsnprintf.cpp
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| // Purpose:     wxVsnprintf unit test
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| // Author:      Francesco Montorsi
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| //              (part of this file was taken from CMP.c of TRIO package
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| //               written by Bjorn Reese and Daniel Stenberg)
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| // Created:     2006-04-01
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| // RCS-ID:      $Id$
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| // Copyright:   (c) 2006 Francesco Montorsi, Bjorn Reese and Daniel Stenberg
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| ///////////////////////////////////////////////////////////////////////////////
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| 
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| // ----------------------------------------------------------------------------
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| // headers
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| // ----------------------------------------------------------------------------
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| 
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| #include "testprec.h"
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| 
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| #ifdef __BORLANDC__
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|     #pragma hdrstop
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| #endif
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| 
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| #include "wx/crt.h"
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| 
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| #if wxUSE_WXVSNPRINTF
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| 
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| #ifndef WX_PRECOMP
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|     #include "wx/wx.h"
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|     #include "wx/wxchar.h"
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| #endif // WX_PRECOMP
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| 
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| 
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| // NOTE: for more info about the specification of wxVsnprintf() behaviour you can
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| //       refer to the following page of the GNU libc manual:
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| //             http://www.gnu.org/software/libc/manual/html_node/Formatted-Output.html
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| 
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| 
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| // ----------------------------------------------------------------------------
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| // global utilities for testing
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| // ----------------------------------------------------------------------------
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| 
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| #define MAX_TEST_LEN        1024
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| 
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| // temporary buffers
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| static wxChar buf[MAX_TEST_LEN];
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| int r;
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| 
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| // these macros makes it possible to write all tests without repeating a lot
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| // of times the wxT() macro
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| // NOTE: you should use expected strings with these macros which do not exceed
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| //       MAX_TEST_LEN as these macro do check if the return value is == (int)wxStrlen(buf)
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| 
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| #define ASSERT_STR_EQUAL( a, b ) \
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|     CPPUNIT_ASSERT_EQUAL( wxString(a), wxString(b) );
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| 
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| #define CMP6(expected, fmt, y, z, w, t)                    \
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|     r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt), y, z, w, t); \
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|     CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) );          \
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|     ASSERT_STR_EQUAL( wxT(expected), buf );
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| 
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| #define CMP5(expected, fmt, y, z, w)                    \
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|     r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt), y, z, w); \
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|     CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) );          \
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|     ASSERT_STR_EQUAL( wxT(expected), buf );
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| 
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| #define CMP4(expected, fmt, y, z)                     \
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|     r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt), y, z);  \
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|     CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) );          \
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|     ASSERT_STR_EQUAL( wxT(expected), buf );
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| 
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| #define CMP3(expected, fmt, y)                        \
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|     r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt), y);     \
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|     CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) );          \
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|     ASSERT_STR_EQUAL( wxT(expected), buf );
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| 
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| #define CMP3i(expected, fmt, y)                        \
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|     r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt), y);     \
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|     CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) );          \
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|     WX_ASSERT_MESSAGE( ("Expected \"%s\", got \"%s\"", expected, buf), \
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|                        wxStricmp(expected, buf) == 0 );
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| 
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| #define CMP2(expected, fmt)                           \
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|     r=wxSnprintf(buf, MAX_TEST_LEN, wxT(fmt));        \
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|     CPPUNIT_ASSERT_EQUAL( r, wxStrlen(buf) );          \
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|     ASSERT_STR_EQUAL( wxT(expected), buf );
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| 
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| // NOTE: this macro is used also with too-small buffers (see Miscellaneous())
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| //       test function, thus the return value can be > size and thus we
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| //       cannot check if r == (int)wxStrlen(buf)
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| #define CMPTOSIZE(buffer, size, failuremsg, expected, fmt, x, y, z, w)  \
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|     r=wxSnprintf(buffer, size, wxT(fmt), x, y, z, w);                   \
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|     CPPUNIT_ASSERT( r > 0 );                                            \
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|     CPPUNIT_ASSERT_EQUAL_MESSAGE(                                       \
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|         failuremsg,                                                     \
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|         wxString(wxT(expected)).Left(size - 1),                         \
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|         wxString(buffer))
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| 
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| // this is the same as wxSnprintf() but it passes the format string to
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| // wxVsnprintf() without using WX_ATTRIBUTE_PRINTF and thus suppresses the gcc
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| // checks (and resulting warnings) for the format string
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| //
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| // use with extreme care and only when you're really sure the warnings must be
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| // suppressed!
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| template<typename T>
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| static int
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| wxUnsafeSnprintf(T *buf, size_t len, const wxChar *fmt, ...)
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| {
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|     va_list args;
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|     va_start(args, fmt);
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| 
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|     int rc = wxVsnprintf(buf, len, fmt, args);
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| 
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|     va_end(args);
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| 
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|     return rc;
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| }
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| 
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| // ----------------------------------------------------------------------------
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| // test class
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| // ----------------------------------------------------------------------------
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| 
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| class VsnprintfTestCase : public CppUnit::TestCase
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| {
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| public:
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|     VsnprintfTestCase() {}
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| 
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|     virtual void setUp();
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| 
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| private:
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|     CPPUNIT_TEST_SUITE( VsnprintfTestCase );
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|         CPPUNIT_TEST( C );
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|         CPPUNIT_TEST( D );
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|         CPPUNIT_TEST( X );
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|         CPPUNIT_TEST( O );
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|         CPPUNIT_TEST( P );
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|         CPPUNIT_TEST( N );
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|         CPPUNIT_TEST( E );
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|         CPPUNIT_TEST( F );
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|         CPPUNIT_TEST( G );
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|         CPPUNIT_TEST( S );
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|         CPPUNIT_TEST( Asterisk );
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|         CPPUNIT_TEST( Percent );
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| #ifdef wxLongLong_t
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|         CPPUNIT_TEST( LongLong );
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| #endif
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| 
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|         CPPUNIT_TEST( BigToSmallBuffer );
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|         CPPUNIT_TEST( WrongFormatStrings );
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|         CPPUNIT_TEST( Miscellaneous );
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|         CPPUNIT_TEST( GlibcMisc1 );
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|         CPPUNIT_TEST( GlibcMisc2 );
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|     CPPUNIT_TEST_SUITE_END();
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| 
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|     void C();
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|     void D();
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|     void X();
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|     void O();
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|     void P();
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|     void N();
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|     void E();
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|     void F();
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|     void G();
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|     void S();
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|     void Asterisk();
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|     void Percent();
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| #ifdef wxLongLong_t
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|     void LongLong();
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| #endif
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|     void Unicode();
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| 
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|     template<typename T> 
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|         void DoBigToSmallBuffer(T *buffer, int size);
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|     void BigToSmallBuffer();
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| 
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|     void WrongFormatStrings();
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| 
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|     // compares the expectedString and the result of wxVsnprintf() char by char
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|     // for all its lenght (not only for first expectedLen chars) and also
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|     // checks the return value
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|     void DoMisc(int expectedLen, const wxString& expectedString,
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|                 size_t max, const wxChar *format, ...);
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|     void Miscellaneous();
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| 
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|     void GlibcMisc1();
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|     void GlibcMisc2();
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| 
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|     DECLARE_NO_COPY_CLASS(VsnprintfTestCase)
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| };
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| 
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| // register in the unnamed registry so that these tests are run by default
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| CPPUNIT_TEST_SUITE_REGISTRATION( VsnprintfTestCase );
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| 
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| // also include in its own registry so that these tests can be run alone
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| CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( VsnprintfTestCase, "VsnprintfTestCase" );
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| 
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| void VsnprintfTestCase::setUp()
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| {
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|     // this call is required to avoid check failures when running on machines
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|     // with a locale where the decimal point is not '.'
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|     wxSetlocale(LC_ALL, "C");
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| }
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| 
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| void VsnprintfTestCase::C()
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| {
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|     CMP5("hi!", "%c%c%c", wxT('h'), wxT('i'), wxT('!'));
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| 
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|     // NOTE:
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|     // the NULL characters _can_ be passed to %c to e.g. create strings
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|     // with embedded NULs (because strings are not always supposed to be
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|     // NUL-terminated).
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| 
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|     DoMisc(14, wxT("Hello \0 World!"), 16, wxT("Hello %c World!"), wxT('\0'));
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| }
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| 
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| void VsnprintfTestCase::D()
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| {
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|     CMP3("+123456", "%+d", 123456);
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|     CMP3("-123456", "%d", -123456);
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|     CMP3(" 123456", "% d", 123456);
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|     CMP3("    123456", "%10d", 123456);
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|     CMP3("0000123456", "%010d", 123456);
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|     CMP3("-123456   ", "%-10d", -123456);
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| }
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| 
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| void VsnprintfTestCase::X()
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| {
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|     CMP3("ABCD", "%X", 0xABCD);
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|     CMP3("0XABCD", "%#X", 0xABCD);
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|     CMP3("0xabcd", "%#x", 0xABCD);
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| }
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| 
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| void VsnprintfTestCase::O()
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| {
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|     CMP3("1234567", "%o", 01234567);
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|     CMP3("01234567", "%#o", 01234567);
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| }
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| 
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| void VsnprintfTestCase::P()
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| {
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|     // The exact format used for "%p" is not specified by the standard and so
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|     // varies among different platforms, so we need to expect different results
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|     // here (remember that while we test our own wxPrintf() code here, it uses
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|     // the system sprintf() for actual formatting so the results are still
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|     // different under different systems).
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| 
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| #ifdef wxUSING_VC_CRT_IO
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|     // MSVC always prints pointers as %8X on 32 bit systems and as %16X on 64
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|     // bit systems.
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|     #if SIZEOF_VOID_P == 4
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|         CMP3i("00ABCDEF", "%p", (void*)0xABCDEF);
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|         CMP3("00000000", "%p", (void*)NULL);
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|     #elif SIZEOF_VOID_P == 8
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|         CMP3i("0000ABCDEFABCDEF", "%p", (void*)0xABCDEFABCDEF);
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|         CMP3("0000000000000000", "%p", (void*)NULL);
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|     #endif
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| #elif defined(__MINGW32__) 
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|     // mingw32 uses MSVC CRT in old versions but is own implementation now
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|     // which is somewhere in the middle as it uses %8x, so to catch both cases
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|     // we use case-insensitive comparison here.
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|     CMP3("0xabcdef", "%p", (void*)0xABCDEF); 
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|     CMP3("0", "%p", (void*)NULL); 
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| #elif defined(__GNUG__)
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|     // glibc prints pointers as %#x except for NULL pointers which are printed
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|     // as '(nil)'.
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|     CMP3("0xabcdef", "%p", (void*)0xABCDEF);
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|     CMP3("(nil)", "%p", (void*)NULL);
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| #endif
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| }
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| 
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| void VsnprintfTestCase::N()
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| {
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|     int nchar;
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| 
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|     wxSnprintf(buf, MAX_TEST_LEN, wxT("%d %s%n\n"), 3, wxT("bears"), &nchar);
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|     CPPUNIT_ASSERT_EQUAL( 7, nchar );
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| }
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| 
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| void VsnprintfTestCase::E()
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| {
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|     // NB: there are no standards about the minimum exponent width
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|     //     (and the width of the %e conversion specifier refers to the
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|     //      mantissa, not to the exponent).
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|     //     Since newer MSVC versions use 3 digits as minimum exponent
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|     //     width while GNU libc uses 2 digits as minimum width, here we
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|     //     workaround this problem using for the exponent values with at
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|     //     least three digits.
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|     //     Some examples:
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|     //       printf("%e",2.342E+02);
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|     //     -> under MSVC7.1 prints:      2.342000e+002
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|     //     -> under GNU libc 2.4 prints: 2.342000e+02
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|     CMP3("2.342000e+112", "%e",2.342E+112);
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|     CMP3("-2.3420e-112", "%10.4e",-2.342E-112);
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|     CMP3("-2.3420e-112", "%11.4e",-2.342E-112);
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|     CMP3("   -2.3420e-112", "%15.4e",-2.342E-112);
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| 
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|     CMP3("-0.02342", "%G",-2.342E-02);
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|     CMP3("3.1415E-116", "%G",3.1415e-116);
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|     CMP3("0003.141500e+103", "%016e", 3141.5e100);
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|     CMP3("   3.141500e+103", "%16e", 3141.5e100);
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|     CMP3("3.141500e+103   ", "%-16e", 3141.5e100);
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|     CMP3("3.142e+103", "%010.3e", 3141.5e100);
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| }
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| 
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| void VsnprintfTestCase::F()
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| {
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|     CMP3("3.300000", "%5f", 3.3);
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|     CMP3("3.000000", "%5f", 3.0);
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|     CMP3("0.000100", "%5f", .999999E-4);
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|     CMP3("0.000990", "%5f", .99E-3);
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|     CMP3("3333.000000", "%5f", 3333.0);
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| }
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| 
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| void VsnprintfTestCase::G()
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| {
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|     // NOTE: the same about E() testcase applies here...
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| 
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|     CMP3("  3.3", "%5g", 3.3);
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|     CMP3("    3", "%5g", 3.0);
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|     CMP3("9.99999e-115", "%5g", .999999E-114);
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|     CMP3("0.00099", "%5g", .99E-3);
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|     CMP3(" 3333", "%5g", 3333.0);
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|     CMP3(" 0.01", "%5g", 0.01);
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| 
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|     CMP3("    3", "%5.g", 3.3);
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|     CMP3("    3", "%5.g", 3.0);
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|     CMP3("1e-114", "%5.g", .999999E-114);
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|     CMP3("0.0001", "%5.g", 1.0E-4);
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|     CMP3("0.001", "%5.g", .99E-3);
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|     CMP3("3e+103", "%5.g", 3333.0E100);
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|     CMP3(" 0.01", "%5.g", 0.01);
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| 
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|     CMP3("  3.3", "%5.2g", 3.3);
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|     CMP3("    3", "%5.2g", 3.0);
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|     CMP3("1e-114", "%5.2g", .999999E-114);
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|     CMP3("0.00099", "%5.2g", .99E-3);
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|     CMP3("3.3e+103", "%5.2g", 3333.0E100);
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|     CMP3(" 0.01", "%5.2g", 0.01);
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| }
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| 
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| void VsnprintfTestCase::S()
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| {
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|     CMP3("  abc", "%5s", wxT("abc"));
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|     CMP3("    a", "%5s", wxT("a"));
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|     CMP3("abcdefghi", "%5s", wxT("abcdefghi"));
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|     CMP3("abc  ", "%-5s", wxT("abc"));
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|     CMP3("abcdefghi", "%-5s", wxT("abcdefghi"));
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| 
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|     CMP3("abcde", "%.5s", wxT("abcdefghi"));
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| 
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|     // do the same tests but with Unicode characters:
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| #if wxUSE_UNICODE
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| 
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|     // Unicode code points from U+03B1 to U+03B9 are the greek letters alpha-iota;
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|     // UTF8 encoding of such code points is 0xCEB1 to 0xCEB9
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| 
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| #define ALPHA       "\xCE\xB1"
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|         // alpha
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| #define ABC         "\xCE\xB1\xCE\xB2\xCE\xB3"
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|         // alpha+beta+gamma
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| #define ABCDE       "\xCE\xB1\xCE\xB2\xCE\xB3\xCE\xB4\xCE\xB5"
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|         // alpha+beta+gamma+delta+epsilon
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| #define ABCDEFGHI   "\xCE\xB1\xCE\xB2\xCE\xB3\xCE\xB4\xCE\xB5\xCE\xB6\xCE\xB7\xCE\xB8\xCE\xB9"
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|         // alpha+beta+gamma+delta+epsilon+zeta+eta+theta+iota
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| 
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|     // the 'expected' and 'arg' parameters of this macro are supposed to be
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|     // UTF-8 strings
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| #define CMP3_UTF8(expected, fmt, arg)                                         \
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|     CPPUNIT_ASSERT_EQUAL                                                      \
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|     (                                                                         \
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|         wxString::FromUTF8(expected).length(),                                \
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|         wxSnprintf(buf, MAX_TEST_LEN, fmt, wxString::FromUTF8(arg))           \
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|     );                                                                        \
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|     CPPUNIT_ASSERT_EQUAL                                                      \
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|     (                                                                         \
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|         wxString::FromUTF8(expected),                                         \
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|         buf                                                                   \
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|     )
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| 
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|     CMP3_UTF8("  " ABC,     "%5s",  ABC);
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|     CMP3_UTF8("    " ALPHA, "%5s",  ALPHA);
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|     CMP3_UTF8(ABCDEFGHI,    "%5s",  ABCDEFGHI);
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|     CMP3_UTF8(ABC "  ",     "%-5s", ABC);
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|     CMP3_UTF8(ABCDEFGHI,    "%-5s", ABCDEFGHI);
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|     CMP3_UTF8(ABCDE,        "%.5s", ABCDEFGHI);
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| #endif // wxUSE_UNICODE
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| 
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|     // test a string which has a NULL character after "ab";
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|     // obviously it should be handled exactly like just as "ab"
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|     CMP3("   ab", "%5s", wxT("ab\0cdefghi"));
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| }
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| 
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| void VsnprintfTestCase::Asterisk()
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| {
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|     CMP5("       0.1", "%*.*f", 10, 1, 0.123);
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|     CMP5("    0.1230", "%*.*f", 10, 4, 0.123);
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|     CMP5("0.1", "%*.*f", 3, 1, 0.123);
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| 
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|     CMP4("%0.002", "%%%.*f", 3, 0.0023456789);
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| 
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|     CMP4("       a", "%*c", 8, 'a');
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|     CMP4("    four", "%*s", 8, "four");
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|     CMP6("    four   four", "%*s %*s", 8, "four", 6, "four");
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| }
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| 
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| void VsnprintfTestCase::Percent()
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| {
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|     // some tests without any argument passed through ...
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|     CMP2("%", "%%");
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|     CMP2("%%%", "%%%%%%");
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| 
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|     CMP3("%  abc", "%%%5s", wxT("abc"));
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|     CMP3("%  abc%", "%%%5s%%", wxT("abc"));
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| 
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|     // do not test odd number of '%' symbols as different implementations
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|     // of snprintf() give different outputs as this situation is not considered
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|     // by any standard (in fact, GCC will also warn you about a spurious % if
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|     // you write %%% as argument of some *printf function !)
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|     // Compare(wxT("%"), wxT("%%%"));
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| }
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| 
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| #ifdef wxLongLong_t
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| void VsnprintfTestCase::LongLong()
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| {
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|     CMP3("123456789", "%lld", (wxLongLong_t)123456789);
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|     CMP3("-123456789", "%lld", (wxLongLong_t)-123456789);
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| 
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|     CMP3("123456789", "%llu", (wxULongLong_t)123456789);
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| 
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| #ifdef __WXMSW__
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|     CMP3("123456789", "%I64d", (wxLongLong_t)123456789);
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|     CMP3("123456789abcdef", "%I64x", wxLL(0x123456789abcdef));
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| #endif
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| }
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| #endif
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| 
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| void VsnprintfTestCase::WrongFormatStrings()
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| {
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|     // test how wxVsnprintf() behaves with wrong format string:
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| 
 | |
| #if 0
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|     // NB: the next 2 tests currently return an error but it would be nice
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|     //     if they didn't (see ticket #9367)
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| 
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|     // two positionals with the same index:
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|     r = wxSnprintf(buf, MAX_TEST_LEN, wxT("%1$s %1$s"), "hello");
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|     CPPUNIT_ASSERT(r != -1);
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| 
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|     // three positionals with the same index mixed with other pos args:
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|     r = wxSnprintf(buf, MAX_TEST_LEN, wxT("%4$d %2$f %1$s %2$s %3$d"), "hello", "world", 3, 4);
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|     CPPUNIT_ASSERT(r != -1);
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| #endif
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| 
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|     // a missing positional arg should result in an assert
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|     WX_ASSERT_FAILS_WITH_ASSERT(
 | |
|             wxSnprintf(buf, MAX_TEST_LEN, wxT("%1$d %3$d"), 1, 2, 3) );
 | |
| 
 | |
|     // positional and non-positionals in the same format string:
 | |
|     r = wxSnprintf(buf, MAX_TEST_LEN, wxT("%1$d %d %3$d"), 1, 2, 3);
 | |
|     CPPUNIT_ASSERT_EQUAL(-1, r);
 | |
| }
 | |
| 
 | |
| // BigToSmallBuffer() test case helper:
 | |
| template<typename T>
 | |
| void VsnprintfTestCase::DoBigToSmallBuffer(T *buffer, int size)
 | |
| {
 | |
|     // Remember that wx*printf could be mapped either to system
 | |
|     // implementation or to wx implementation.
 | |
|     // In the first case, when the output buffer is too small, the returned
 | |
|     // value can be the number of characters required for the output buffer
 | |
|     // (conforming to ISO C99; implemented in e.g. GNU libc >= 2.1), or
 | |
|     // just a negative number, usually -1; (this is how e.g. MSVC's
 | |
|     // *printf() behaves). Luckily, in all implementations, when the
 | |
|     // output buffer is too small, it's nonetheless filled up to its max size.
 | |
|     //
 | |
|     // Note that in the second case (i.e. when we're using our own implementation),
 | |
|     // wxVsnprintf() will return the number of characters written in the standard
 | |
|     // output or
 | |
|     //   -1         if there was an error in the format string
 | |
|     //   maxSize+1  if the output buffer is too small
 | |
| 
 | |
|     wxString errStr;
 | |
|     errStr << "The size of the buffer was " << size;
 | |
|     std::string errMsg(errStr.mb_str());
 | |
| 
 | |
|     // test without positionals
 | |
|     CMPTOSIZE(buffer, size, errMsg,
 | |
|               "123456789012 - test - 123 -4.567",
 | |
|               "%i%li - test - %d %.3f",
 | |
|               123, (long int)456789012, 123, -4.567);
 | |
| 
 | |
| #if wxUSE_PRINTF_POS_PARAMS
 | |
|     // test with positional
 | |
|     CMPTOSIZE(buffer, size, errMsg,
 | |
|               "-4.567 123 - test - 456789012 123",
 | |
|               "%4$.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,
 | |
|                          wxT("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,
 | |
|         size_t max,
 | |
|         const wxChar *format, ...)
 | |
| {
 | |
|     const size_t BUFSIZE = MAX_TEST_LEN - 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 << wxT("No.: ") << ++count << wxT(", expected: ") << expectedLen
 | |
|            << wxT(" '") << expectedString << wxT("', result: ");
 | |
|     overflowStr << errStr << wxT("buffer overflow");
 | |
|     errStr << n << wxT(" '") << buf << wxT("'");
 | |
| 
 | |
|     // 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);
 | |
| }
 | |
| 
 | |
| 
 | |
| /* (C) Copyright C E Chew
 | |
| *
 | |
| * Feel free to copy, use and distribute this software provided:
 | |
| *
 | |
| *        1. you do not pretend that you wrote it
 | |
| *        2. you leave this copyright notice intact.
 | |
| */
 | |
| 
 | |
| void VsnprintfTestCase::GlibcMisc1()
 | |
| {
 | |
|     CMP3("     ",    "%5.s", "xyz");
 | |
|     CMP3("   33",    "%5.f", 33.3);
 | |
| #ifdef wxUSING_VC_CRT_IO
 | |
|     // see the previous notes about the minimum width of mantissa:
 | |
|     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);
 | |
| #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);
 | |
| #endif
 | |
| }
 | |
| 
 | |
| void VsnprintfTestCase::GlibcMisc2()
 | |
| {
 | |
|     int prec;
 | |
|     wxString test_format;
 | |
| 
 | |
|     prec = 0;
 | |
|     CMP4("3", "%.*g", prec, 3.3);
 | |
| 
 | |
|     prec = 0;
 | |
|     CMP4("3", "%.*G", prec, 3.3);
 | |
| 
 | |
|     prec = 0;
 | |
|     CMP4("      3", "%7.*G", prec, 3.33);
 | |
| 
 | |
|     prec = 3;
 | |
|     CMP4(" 041", "%04.*o", prec, 33);
 | |
| 
 | |
|     prec = 7;
 | |
|     CMP4("  0000033", "%09.*u", prec, 33);
 | |
| 
 | |
|     prec = 3;
 | |
|     CMP4(" 021", "%04.*x", prec, 33);
 | |
| 
 | |
|     prec = 3;
 | |
|     CMP4(" 021", "%04.*X", prec, 33);
 | |
| }
 | |
| 
 | |
| #endif // wxUSE_WXVSNPRINTF
 | |
| 
 |