mars3142/wx_wherigo
1
0
Fork 0
Code Issues Pull Requests Wiki Activity

initial commit

Browse Source 
Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>
This commit is contained in:
Peter Siegmund
2025-10-31 23:37:30 +01:00
commit bf6b52fd94
9654 changed files with 4035664 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

540
libs/wxWidgets-3.3.1/tests/strings/vsnprintf.cpp Normal file
View File

@@ -0,0 +1,540 @@
///////////////////////////////////////////////////////////////////////////////
// Name: tests/strings/vsnprintf.cpp
// Purpose: wxVsnprintf unit test
// Author: Francesco Montorsi
// (part of this file was taken from CMP.c of TRIO package
// written by Bjorn Reese and Daniel Stenberg)
// Created: 2006-04-01
// Copyright: (c) 2006 Francesco Montorsi, Bjorn Reese and Daniel Stenberg
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#include "wx/crt.h"
#if wxUSE_WXVSNPRINTF
#ifndef WX_PRECOMP
#include "wx/wx.h"
#include "wx/wxchar.h"
#endif // WX_PRECOMP
#include "wx/private/localeset.h"
// NOTE: for more info about the specification of wxVsnprintf() behaviour you can
// refer to the following page of the GNU libc manual:
// http://www.gnu.org/software/libc/manual/html_node/Formatted-Output.html
// ----------------------------------------------------------------------------
// global utilities for testing
// ----------------------------------------------------------------------------
#define MAX_TEST_LEN 1024
// temporary buffers
static wxChar buf[MAX_TEST_LEN];
int r;
// 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 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 either -1 or > size and we
// cannot check if r == (int)wxStrlen(buf)
#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
// 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 fixture
// ----------------------------------------------------------------------------
// Explicitly set C locale to avoid check failures when running on machines
// with a locale where the decimal point is not '.'
class VsnprintfTestCase : wxCLocaleSetter
{
public:
VsnprintfTestCase() : wxCLocaleSetter() { }
protected:
template<typename T>
void DoBigToSmallBuffer(T *buffer, int size);
// 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, ...);
wxDECLARE_NO_COPY_CLASS(VsnprintfTestCase);
};
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::C", "[vsnprintf]")
{
CMP("hi!", "%c%c%c", wxT('h'), wxT('i'), wxT('!'));
// NOTE:
// the NUL characters _can_ be passed to %c to e.g. create strings
// with embedded NULs (because strings are not always supposed to be
// NUL-terminated).
DoMisc(14, wxT("Hello \0 World!"), 16, wxT("Hello %c World!"), wxT('\0'));
}
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::D", "[vsnprintf]")
{
CMP("+123456", "%+d", 123456);
CMP("-123456", "%d", -123456);
CMP(" 123456", "% d", 123456);
CMP(" 123456", "%10d", 123456);
CMP("0000123456", "%010d", 123456);
CMP("-123456 ", "%-10d", -123456);
}
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::X", "[vsnprintf]")
{
CMP("ABCD", "%X", 0xABCD);
CMP("0XABCD", "%#X", 0xABCD);
CMP("0xabcd", "%#x", 0xABCD);
}
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::O", "[vsnprintf]")
{
CMP("1234567", "%o", 01234567);
CMP("01234567", "%#o", 01234567);
}
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
// here (remember that while we test our own wxPrintf() code here, it uses
// the system sprintf() for actual formatting so the results are still
// different under different systems).
#if defined(__VISUALC__) || (defined(__MINGW32__) && \
(!defined(__USE_MINGW_ANSI_STDIO) || !__USE_MINGW_ANSI_STDIO))
#if SIZEOF_VOID_P == 4
CMP("00ABCDEF", "%p", (void*)0xABCDEF);
CMP("00000000", "%p", (void*)nullptr);
#elif SIZEOF_VOID_P == 8
CMP("0000ABCDEFABCDEF", "%p", (void*)0xABCDEFABCDEF);
CMP("0000000000000000", "%p", (void*)nullptr);
#endif
#elif defined(__MINGW32__)
#if SIZEOF_VOID_P == 4
CMP("00abcdef", "%p", (void*)0xABCDEF);
CMP("00000000", "%p", (void*)nullptr);
#elif SIZEOF_VOID_P == 8
CMP("0000abcdefabcdef", "%p", (void*)0xABCDEFABCDEF);
CMP("0000000000000000", "%p", (void*)nullptr);
#endif
#elif defined(__GNUG__)
// glibc prints pointers as %#x except for null pointers which are printed
// as '(nil)'.
CMP("0xabcdef", "%p", (void*)0xABCDEF);
CMP("(nil)", "%p", (void*)nullptr);
#endif
}
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::N", "[vsnprintf]")
{
int nchar;
wxSnprintf(buf, MAX_TEST_LEN, wxT("%d %s%n\n"), 3, wxT("bears"), &nchar);
CHECK( nchar == 7 );
}
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.
// See wxUSING_MANTISSA_SIZE_3 in testprec.h as well.
//
// Some examples:
// printf("%e",2.342E+02);
// -> under MSVC7.1 prints: 2.342000e+002
// -> under GNU libc 2.4 prints: 2.342000e+02
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);
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);
}
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::F", "[vsnprintf]")
{
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);
}
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::G", "[vsnprintf]")
{
// NOTE: the same about E() testcase applies here...
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);
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);
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);
}
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::S", "[vsnprintf]")
{
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"));
CMP("abcde", "%.5s", wxT("abcdefghi"));
// do the same tests but with Unicode characters:
// 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 "α"
// alpha
#define ABC "αβγ"
// alpha+beta+gamma
#define ABCDE "αβγδε"
// alpha+beta+gamma+delta+epsilon
#define ABCDEFGHI "αβγδεζηθι"
// 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 CMP_UTF8(expected, fmt, arg) \
CHECK \
( \
(int)wxString::FromUTF8(expected).length() == \
wxSnprintf(buf, MAX_TEST_LEN, fmt, wxString::FromUTF8(arg)) \
); \
CHECK( wxString::FromUTF8(expected) == buf )
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);
// test a string which has a NUL character after "ab";
// obviously it should be handled exactly like just as "ab"
CMP(" ab", "%5s", wxT("ab\0cdefghi"));
}
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::Asterisk", "[vsnprintf]")
{
CMP(" 0.1", "%*.*f", 10, 1, 0.123);
CMP(" 0.1230", "%*.*f", 10, 4, 0.123);
CMP("0.1", "%*.*f", 3, 1, 0.123);
CMP("%0.002", "%%%.*f", 3, 0.0023456789);
CMP(" a", "%*c", 8, 'a');
CMP(" four", "%*s", 8, "four");
CMP(" four four", "%*s %*s", 8, "four", 6, "four");
}
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::Percent", "[vsnprintf]")
{
// some tests without any argument passed through ...
CMP("%", "%%");
CMP("%%%", "%%%%%%");
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
// 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("%%%"));
}
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::LongLong", "[vsnprintf]")
{
CMP("123456789", "%lld", (wxLongLong_t)123456789);
CMP("-123456789", "%lld", (wxLongLong_t)-123456789);
CMP("123456789", "%llu", (wxULongLong_t)123456789);
#ifdef __WINDOWS__
CMP("123456789", "%I64d", (wxLongLong_t)123456789);
CMP("123456789abcdef", "%I64x", wxLL(0x123456789abcdef));
#endif
}
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::WrongFormatStrings", "[vsnprintf]")
{
// test how wxVsnprintf() behaves with wrong format string:
// a missing positional arg should result in an assert
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:
errno = 0;
r = wxSnprintf(buf, MAX_TEST_LEN, wxT("%1$d %d %3$d"), 1, 2, 3);
CHECK( r == -1 );
CHECK( errno == EINVAL );
}
// 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);
CHECK( expected == buffer );
}
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::BigToSmallBuffer", "[vsnprintf]")
{
wchar_t bufw[1024], bufw2[16], bufw3[4], bufw4;
DoBigToSmallBuffer(bufw, 1024);
DoBigToSmallBuffer(bufw2, 16);
DoBigToSmallBuffer(bufw3, 4);
DoBigToSmallBuffer(&bufw4, 1);
char bufa[1024], bufa2[16], bufa3[4], bufa4;
DoBigToSmallBuffer(bufa, 1024);
DoBigToSmallBuffer(bufa2, 16);
DoBigToSmallBuffer(bufa3, 4);
DoBigToSmallBuffer(&bufa4, 1);
}
// 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());
INFO(errMsg);
if ( size_t(n) < max )
CHECK(expectedLen == n);
else
CHECK(expectedLen == -1);
CHECK(expectedString == buf);
for (i = max; i < BUFSIZE; i++)
{
INFO(overflowMsg);
CHECK(buf[i] == '*');
}
}
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::Miscellaneous", "[vsnprintf]")
{
// 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.
*/
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::GlibcMisc1", "[vsnprintf]")
{
CMP(" ", "%5.s", "xyz");
CMP(" 33", "%5.f", 33.3);
#if defined(wxDEFAULT_MANTISSA_SIZE_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
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
}
TEST_CASE_METHOD(VsnprintfTestCase, "Vsnprintf::GlibcMisc2", "[vsnprintf]")
{
int prec;
prec = 0;
CMP("3", "%.*g", prec, 3.3);
prec = 0;
CMP("3", "%.*G", prec, 3.3);
prec = 0;
CMP(" 3", "%7.*G", prec, 3.33);
prec = 3;
CMP(" 041", "%04.*o", prec, 33);
prec = 7;
CMP(" 0000033", "%09.*u", prec, 33);
prec = 3;
CMP(" 021", "%04.*x", prec, 33);
prec = 3;
CMP(" 021", "%04.*X", prec, 33);
}
#endif // wxUSE_WXVSNPRINTF