wxWidgets/samples/console/console.cpp
1999-12-24 16:49:57 +00:00

1503 lines
41 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: samples/console/console.cpp
// Purpose: a sample console (as opposed to GUI) progam using wxWindows
// Author: Vadim Zeitlin
// Modified by:
// Created: 04.10.99
// RCS-ID: $Id$
// Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include <stdio.h>
#include <wx/string.h>
#include <wx/file.h>
#include <wx/app.h>
// ----------------------------------------------------------------------------
// conditional compilation
// ----------------------------------------------------------------------------
// what to test?
//#define TEST_ARRAYS
//#define TEST_DIR
//#define TEST_LOG
//#define TEST_LONGLONG
//#define TEST_MIME
//#define TEST_STRINGS
//#define TEST_THREADS
#define TEST_TIME
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// wxDir
// ----------------------------------------------------------------------------
#ifdef TEST_DIR
#include <wx/dir.h>
static void TestDirEnumHelper(wxDir& dir,
int flags = wxDIR_DEFAULT,
const wxString& filespec = wxEmptyString)
{
wxString filename;
if ( !dir.IsOpened() )
return;
bool cont = dir.GetFirst(&filename, filespec, flags);
while ( cont )
{
printf("\t%s\n", filename.c_str());
cont = dir.GetNext(&filename);
}
puts("");
}
static void TestDirEnum()
{
wxDir dir(wxGetCwd());
puts("Enumerating everything in current directory:");
TestDirEnumHelper(dir);
puts("Enumerating really everything in current directory:");
TestDirEnumHelper(dir, wxDIR_DEFAULT | wxDIR_DOTDOT);
puts("Enumerating object files in current directory:");
TestDirEnumHelper(dir, wxDIR_DEFAULT, "*.o");
puts("Enumerating directories in current directory:");
TestDirEnumHelper(dir, wxDIR_DIRS);
puts("Enumerating files in current directory:");
TestDirEnumHelper(dir, wxDIR_FILES);
puts("Enumerating files including hidden in current directory:");
TestDirEnumHelper(dir, wxDIR_FILES | wxDIR_HIDDEN);
#ifdef __UNIX__
dir.Open("/");
#elif defined(__WXMSW__)
dir.Open("c:\\");
#else
#error "don't know where the root directory is"
#endif
puts("Enumerating everything in root directory:");
TestDirEnumHelper(dir, wxDIR_DEFAULT);
puts("Enumerating directories in root directory:");
TestDirEnumHelper(dir, wxDIR_DIRS);
puts("Enumerating files in root directory:");
TestDirEnumHelper(dir, wxDIR_FILES);
puts("Enumerating files including hidden in root directory:");
TestDirEnumHelper(dir, wxDIR_FILES | wxDIR_HIDDEN);
puts("Enumerating files in non existing directory:");
wxDir dirNo("nosuchdir");
TestDirEnumHelper(dirNo);
}
#endif // TEST_DIR
// ----------------------------------------------------------------------------
// MIME types
// ----------------------------------------------------------------------------
#ifdef TEST_MIME
#include <wx/mimetype.h>
static void TestMimeEnum()
{
wxMimeTypesManager mimeTM;
wxArrayString mimetypes;
size_t count = mimeTM.EnumAllFileTypes(mimetypes);
printf("*** All %u known filetypes: ***\n", count);
wxArrayString exts;
wxString desc;
for ( size_t n = 0; n < count; n++ )
{
wxFileType *filetype = mimeTM.GetFileTypeFromMimeType(mimetypes[n]);
if ( !filetype )
{
printf("nothing known about the filetype '%s'!\n",
mimetypes[n].c_str());
continue;
}
filetype->GetDescription(&desc);
filetype->GetExtensions(exts);
filetype->GetIcon(NULL);
wxString extsAll;
for ( size_t e = 0; e < exts.GetCount(); e++ )
{
if ( e > 0 )
extsAll << _T(", ");
extsAll += exts[e];
}
printf("\t%s: %s (%s)\n",
mimetypes[n].c_str(), desc.c_str(), extsAll.c_str());
}
}
#endif // TEST_MIME
// ----------------------------------------------------------------------------
// long long
// ----------------------------------------------------------------------------
#ifdef TEST_LONGLONG
#include <wx/longlong.h>
#include <wx/timer.h>
static void TestSpeed()
{
static const long max = 100000000;
long n;
{
wxStopWatch sw;
long l = 0;
for ( n = 0; n < max; n++ )
{
l += n;
}
printf("Summing longs took %ld milliseconds.\n", sw.Time());
}
#if wxUSE_LONGLONG_NATIVE
{
wxStopWatch sw;
wxLongLong_t l = 0;
for ( n = 0; n < max; n++ )
{
l += n;
}
printf("Summing wxLongLong_t took %ld milliseconds.\n", sw.Time());
}
#endif // wxUSE_LONGLONG_NATIVE
{
wxStopWatch sw;
wxLongLong l;
for ( n = 0; n < max; n++ )
{
l += n;
}
printf("Summing wxLongLongs took %ld milliseconds.\n", sw.Time());
}
}
static void TestDivision()
{
puts("*** Testing wxLongLong division ***\n");
#define MAKE_LL(x1, x2, x3, x4) wxLongLong((x1 << 16) | x2, (x3 << 16) | x3)
// seed pseudo random generator
srand((unsigned)time(NULL));
wxLongLong q, r;
size_t nTested = 0;
for ( size_t n = 0; n < 100000; n++ )
{
// get a random wxLongLong (shifting by 12 the MSB ensures that the
// multiplication will not overflow)
wxLongLong ll = MAKE_LL((rand() >> 12), rand(), rand(), rand());
// get a random long (not wxLongLong for now) to divide it with
long l = rand();
q = ll / l;
r = ll % l;
// verify the result
wxASSERT_MSG( ll == q*l + r, "division failure" );
if ( !(nTested % 1000) )
{
putchar('.');
fflush(stdout);
}
nTested++;
}
puts(" done!");
#undef MAKE_LL
}
#endif // TEST_LONGLONG
// ----------------------------------------------------------------------------
// date time
// ----------------------------------------------------------------------------
#ifdef TEST_TIME
#include <wx/date.h>
#include <wx/datetime.h>
// the test data
struct Date
{
wxDateTime::wxDateTime_t day;
wxDateTime::Month month;
int year;
wxDateTime::wxDateTime_t hour, min, sec;
double jdn;
wxDateTime::WeekDay wday;
time_t gmticks, ticks;
void Init(const wxDateTime::Tm& tm)
{
day = tm.mday;
month = tm.mon;
year = tm.year;
hour = tm.hour;
min = tm.min;
sec = tm.sec;
jdn = 0.0;
gmticks = ticks = -1;
}
wxDateTime DT() const
{ return wxDateTime(day, month, year, hour, min, sec); }
bool SameDay(const wxDateTime::Tm& tm) const
{
return day == tm.mday && month == tm.mon && year == tm.year;
}
wxString Format() const
{
wxString s;
s.Printf("%02d:%02d:%02d %10s %02d, %4d%s",
hour, min, sec,
wxDateTime::GetMonthName(month).c_str(),
day,
abs(wxDateTime::ConvertYearToBC(year)),
year > 0 ? "AD" : "BC");
return s;
}
wxString FormatDate() const
{
wxString s;
s.Printf("%02d-%s-%4d%s",
day,
wxDateTime::GetMonthName(month, wxDateTime::Name_Abbr).c_str(),
abs(wxDateTime::ConvertYearToBC(year)),
year > 0 ? "AD" : "BC");
return s;
}
};
static const Date testDates[] =
{
{ 1, wxDateTime::Jan, 1970, 00, 00, 00, 2440587.5, wxDateTime::Thu, 0, -3600 },
{ 21, wxDateTime::Jan, 2222, 00, 00, 00, 2532648.5, wxDateTime::Mon, -1, -1 },
{ 29, wxDateTime::May, 1976, 12, 00, 00, 2442928.0, wxDateTime::Sat, 202219200, 202212000 },
{ 29, wxDateTime::Feb, 1976, 00, 00, 00, 2442837.5, wxDateTime::Sun, 194400000, 194396400 },
{ 1, wxDateTime::Jan, 1900, 12, 00, 00, 2415021.0, wxDateTime::Mon, -1, -1 },
{ 1, wxDateTime::Jan, 1900, 00, 00, 00, 2415020.5, wxDateTime::Mon, -1, -1 },
{ 15, wxDateTime::Oct, 1582, 00, 00, 00, 2299160.5, wxDateTime::Fri, -1, -1 },
{ 4, wxDateTime::Oct, 1582, 00, 00, 00, 2299149.5, wxDateTime::Mon, -1, -1 },
{ 1, wxDateTime::Mar, 1, 00, 00, 00, 1721484.5, wxDateTime::Thu, -1, -1 },
{ 1, wxDateTime::Jan, 1, 00, 00, 00, 1721425.5, wxDateTime::Mon, -1, -1 },
{ 31, wxDateTime::Dec, 0, 00, 00, 00, 1721424.5, wxDateTime::Sun, -1, -1 },
{ 1, wxDateTime::Jan, 0, 00, 00, 00, 1721059.5, wxDateTime::Sat, -1, -1 },
{ 12, wxDateTime::Aug, -1234, 00, 00, 00, 1270573.5, wxDateTime::Fri, -1, -1 },
{ 12, wxDateTime::Aug, -4000, 00, 00, 00, 260313.5, wxDateTime::Sat, -1, -1 },
{ 24, wxDateTime::Nov, -4713, 00, 00, 00, -0.5, wxDateTime::Mon, -1, -1 },
};
// this test miscellaneous static wxDateTime functions
static void TestTimeStatic()
{
puts("\n*** wxDateTime static methods test ***");
// some info about the current date
int year = wxDateTime::GetCurrentYear();
printf("Current year %d is %sa leap one and has %d days.\n",
year,
wxDateTime::IsLeapYear(year) ? "" : "not ",
wxDateTime::GetNumberOfDays(year));
wxDateTime::Month month = wxDateTime::GetCurrentMonth();
printf("Current month is '%s' ('%s') and it has %d days\n",
wxDateTime::GetMonthName(month, wxDateTime::Name_Abbr).c_str(),
wxDateTime::GetMonthName(month).c_str(),
wxDateTime::GetNumberOfDays(month));
// leap year logic
static const size_t nYears = 5;
static const size_t years[2][nYears] =
{
// first line: the years to test
{ 1990, 1976, 2000, 2030, 1984, },
// second line: TRUE if leap, FALSE otherwise
{ FALSE, TRUE, TRUE, FALSE, TRUE }
};
for ( size_t n = 0; n < nYears; n++ )
{
int year = years[0][n];
bool should = years[1][n] != 0,
is = wxDateTime::IsLeapYear(year);
printf("Year %d is %sa leap year (%s)\n",
year,
is ? "" : "not ",
should == is ? "ok" : "ERROR");
wxASSERT( should == wxDateTime::IsLeapYear(year) );
}
}
// test constructing wxDateTime objects
static void TestTimeSet()
{
puts("\n*** wxDateTime construction test ***");
for ( size_t n = 0; n < WXSIZEOF(testDates); n++ )
{
const Date& d1 = testDates[n];
wxDateTime dt = d1.DT();
Date d2;
d2.Init(dt.GetTm());
wxString s1 = d1.Format(),
s2 = d2.Format();
printf("Date: %s == %s (%s)\n",
s1.c_str(), s2.c_str(),
s1 == s2 ? "ok" : "ERROR");
}
}
// test time zones stuff
static void TestTimeZones()
{
puts("\n*** wxDateTime timezone test ***");
wxDateTime now = wxDateTime::Now();
printf("Current GMT time:\t%s\n", now.Format("%c", wxDateTime::GMT0).c_str());
printf("Unix epoch (GMT):\t%s\n", wxDateTime((time_t)0).Format("%c", wxDateTime::GMT0).c_str());
printf("Unix epoch (EST):\t%s\n", wxDateTime((time_t)0).Format("%c", wxDateTime::EST).c_str());
printf("Current time in Paris:\t%s\n", now.Format("%c", wxDateTime::CET).c_str());
printf(" Moscow:\t%s\n", now.Format("%c", wxDateTime::MSK).c_str());
printf(" New York:\t%s\n", now.Format("%c", wxDateTime::EST).c_str());
}
// test some minimal support for the dates outside the standard range
static void TestTimeRange()
{
puts("\n*** wxDateTime out-of-standard-range dates test ***");
static const char *fmt = "%d-%b-%Y %H:%M:%S";
printf("Unix epoch:\t%s\n",
wxDateTime(2440587.5).Format(fmt).c_str());
printf("Feb 29, 0: \t%s\n",
wxDateTime(29, wxDateTime::Feb, 0).Format(fmt).c_str());
printf("JDN 0: \t%s\n",
wxDateTime(0.0).Format(fmt).c_str());
printf("Jan 1, 1AD:\t%s\n",
wxDateTime(1, wxDateTime::Jan, 1).Format(fmt).c_str());
printf("May 29, 2099:\t%s\n",
wxDateTime(29, wxDateTime::May, 2099).Format(fmt).c_str());
}
static void TestTimeTicks()
{
puts("\n*** wxDateTime ticks test ***");
for ( size_t n = 0; n < WXSIZEOF(testDates); n++ )
{
const Date& d = testDates[n];
if ( d.ticks == -1 )
continue;
wxDateTime dt = d.DT();
long ticks = (dt.GetValue() / 1000).ToLong();
printf("Ticks of %s:\t% 10ld", d.Format().c_str(), ticks);
if ( ticks == d.ticks )
{
puts(" (ok)");
}
else
{
printf(" (ERROR: should be %ld, delta = %ld)\n",
d.ticks, ticks - d.ticks);
}
dt = d.DT().ToTimezone(wxDateTime::GMT0);
ticks = (dt.GetValue() / 1000).ToLong();
printf("GMtks of %s:\t% 10ld", d.Format().c_str(), ticks);
if ( ticks == d.gmticks )
{
puts(" (ok)");
}
else
{
printf(" (ERROR: should be %ld, delta = %ld)\n",
d.gmticks, ticks - d.gmticks);
}
}
puts("");
}
// test conversions to JDN &c
static void TestTimeJDN()
{
puts("\n*** wxDateTime to JDN test ***");
for ( size_t n = 0; n < WXSIZEOF(testDates); n++ )
{
const Date& d = testDates[n];
wxDateTime dt(d.day, d.month, d.year, d.hour, d.min, d.sec);
double jdn = dt.GetJulianDayNumber();
printf("JDN of %s is:\t% 15.6f", d.Format().c_str(), jdn);
if ( jdn == d.jdn )
{
puts(" (ok)");
}
else
{
printf(" (ERROR: should be %f, delta = %f)\n",
d.jdn, jdn - d.jdn);
}
}
}
// test week days computation
static void TestTimeWDays()
{
puts("\n*** wxDateTime weekday test ***");
// test GetWeekDay()
size_t n;
for ( n = 0; n < WXSIZEOF(testDates); n++ )
{
const Date& d = testDates[n];
wxDateTime dt(d.day, d.month, d.year, d.hour, d.min, d.sec);
wxDateTime::WeekDay wday = dt.GetWeekDay();
printf("%s is: %s",
d.Format().c_str(),
wxDateTime::GetWeekDayName(wday).c_str());
if ( wday == d.wday )
{
puts(" (ok)");
}
else
{
printf(" (ERROR: should be %s)\n",
wxDateTime::GetWeekDayName(d.wday).c_str());
}
}
puts("");
// test SetToWeekDay()
struct WeekDateTestData
{
Date date; // the real date (precomputed)
int nWeek; // its week index in the month
wxDateTime::WeekDay wday; // the weekday
wxDateTime::Month month; // the month
int year; // and the year
wxString Format() const
{
wxString s, which;
switch ( nWeek < -1 ? -nWeek : nWeek )
{
case 1: which = "first"; break;
case 2: which = "second"; break;
case 3: which = "third"; break;
case 4: which = "fourth"; break;
case 5: which = "fifth"; break;
case -1: which = "last"; break;
}
if ( nWeek < -1 )
{
which += " from end";
}
s.Printf("The %s %s of %s in %d",
which.c_str(),
wxDateTime::GetWeekDayName(wday).c_str(),
wxDateTime::GetMonthName(month).c_str(),
year);
return s;
}
};
// the array data was generated by the following python program
/*
from DateTime import *
from whrandom import *
from string import *
monthNames = [ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' ]
wdayNames = [ 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun' ]
week = DateTimeDelta(7)
for n in range(20):
year = randint(1900, 2100)
month = randint(1, 12)
day = randint(1, 28)
dt = DateTime(year, month, day)
wday = dt.day_of_week
countFromEnd = choice([-1, 1])
weekNum = 0;
while dt.month is month:
dt = dt - countFromEnd * week
weekNum = weekNum + countFromEnd
data = { 'day': rjust(`day`, 2), 'month': monthNames[month - 1], 'year': year, 'weekNum': rjust(`weekNum`, 2), 'wday': wdayNames[wday] }
print "{ { %(day)s, wxDateTime::%(month)s, %(year)d }, %(weekNum)d, "\
"wxDateTime::%(wday)s, wxDateTime::%(month)s, %(year)d }," % data
*/
static const WeekDateTestData weekDatesTestData[] =
{
{ { 20, wxDateTime::Mar, 2045 }, 3, wxDateTime::Mon, wxDateTime::Mar, 2045 },
{ { 5, wxDateTime::Jun, 1985 }, -4, wxDateTime::Wed, wxDateTime::Jun, 1985 },
{ { 12, wxDateTime::Nov, 1961 }, -3, wxDateTime::Sun, wxDateTime::Nov, 1961 },
{ { 27, wxDateTime::Feb, 2093 }, -1, wxDateTime::Fri, wxDateTime::Feb, 2093 },
{ { 4, wxDateTime::Jul, 2070 }, -4, wxDateTime::Fri, wxDateTime::Jul, 2070 },
{ { 2, wxDateTime::Apr, 1906 }, -5, wxDateTime::Mon, wxDateTime::Apr, 1906 },
{ { 19, wxDateTime::Jul, 2023 }, -2, wxDateTime::Wed, wxDateTime::Jul, 2023 },
{ { 5, wxDateTime::May, 1958 }, -4, wxDateTime::Mon, wxDateTime::May, 1958 },
{ { 11, wxDateTime::Aug, 1900 }, 2, wxDateTime::Sat, wxDateTime::Aug, 1900 },
{ { 14, wxDateTime::Feb, 1945 }, 2, wxDateTime::Wed, wxDateTime::Feb, 1945 },
{ { 25, wxDateTime::Jul, 1967 }, -1, wxDateTime::Tue, wxDateTime::Jul, 1967 },
{ { 9, wxDateTime::May, 1916 }, -4, wxDateTime::Tue, wxDateTime::May, 1916 },
{ { 20, wxDateTime::Jun, 1927 }, 3, wxDateTime::Mon, wxDateTime::Jun, 1927 },
{ { 2, wxDateTime::Aug, 2000 }, 1, wxDateTime::Wed, wxDateTime::Aug, 2000 },
{ { 20, wxDateTime::Apr, 2044 }, 3, wxDateTime::Wed, wxDateTime::Apr, 2044 },
{ { 20, wxDateTime::Feb, 1932 }, -2, wxDateTime::Sat, wxDateTime::Feb, 1932 },
{ { 25, wxDateTime::Jul, 2069 }, 4, wxDateTime::Thu, wxDateTime::Jul, 2069 },
{ { 3, wxDateTime::Apr, 1925 }, 1, wxDateTime::Fri, wxDateTime::Apr, 1925 },
{ { 21, wxDateTime::Mar, 2093 }, 3, wxDateTime::Sat, wxDateTime::Mar, 2093 },
{ { 3, wxDateTime::Dec, 2074 }, -5, wxDateTime::Mon, wxDateTime::Dec, 2074 },
};
static const char *fmt = "%d-%b-%Y";
wxDateTime dt;
for ( n = 0; n < WXSIZEOF(weekDatesTestData); n++ )
{
const WeekDateTestData& wd = weekDatesTestData[n];
dt.SetToWeekDay(wd.wday, wd.nWeek, wd.month, wd.year);
printf("%s is %s", wd.Format().c_str(), dt.Format(fmt).c_str());
const Date& d = wd.date;
if ( d.SameDay(dt.GetTm()) )
{
puts(" (ok)");
}
else
{
dt.Set(d.day, d.month, d.year);
printf(" (ERROR: should be %s)\n", dt.Format(fmt).c_str());
}
}
}
// test the computation of (ISO) week numbers
static void TestTimeWNumber()
{
puts("\n*** wxDateTime week number test ***");
struct WeekNumberTestData
{
Date date; // the date
wxDateTime::wxDateTime_t week; // the week number
wxDateTime::wxDateTime_t dnum; // day number in the year
};
// data generated with the following python script:
/*
from DateTime import *
from whrandom import *
from string import *
monthNames = [ 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec' ]
wdayNames = [ 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun' ]
for n in range(20):
year = randint(1900, 2100)
month = randint(1, 12)
day = randint(1, 28)
dt = DateTime(year, month, day)
dayNum = dt.day_of_year
weekNum = dt.iso_week[1]
data = { 'day': rjust(`day`, 2), 'month': monthNames[month - 1], 'year': year, 'weekNum': rjust(`weekNum`, 2), 'dayNum': rjust(`dayNum`, 3) }
print "{ { %(day)s, wxDateTime::%(month)s, %(year)d }, %(weekNum)s, "\
"%(dayNum)s }," % data
*/
static const WeekNumberTestData weekNumberTestDates[] =
{
{ { 2, wxDateTime::Jul, 2093 }, 27, 183 },
{ { 25, wxDateTime::Jun, 1986 }, 26, 176 },
{ { 15, wxDateTime::Jun, 2014 }, 24, 166 },
{ { 20, wxDateTime::Jul, 2018 }, 29, 201 },
{ { 3, wxDateTime::Aug, 2074 }, 31, 215 },
{ { 26, wxDateTime::Jul, 2012 }, 30, 208 },
{ { 4, wxDateTime::Nov, 1915 }, 44, 308 },
{ { 11, wxDateTime::Feb, 2035 }, 6, 42 },
{ { 15, wxDateTime::Feb, 1942 }, 7, 46 },
{ { 5, wxDateTime::Jan, 2087 }, 1, 5 },
{ { 6, wxDateTime::Nov, 2016 }, 44, 311 },
{ { 6, wxDateTime::Jun, 2057 }, 23, 157 },
{ { 25, wxDateTime::Feb, 1976 }, 9, 56 },
{ { 12, wxDateTime::Jan, 2073 }, 2, 12 },
{ { 12, wxDateTime::Sep, 2040 }, 37, 256 },
{ { 15, wxDateTime::Jul, 1931 }, 29, 196 },
{ { 23, wxDateTime::Mar, 2084 }, 12, 83 },
{ { 12, wxDateTime::Dec, 1970 }, 50, 346 },
{ { 6, wxDateTime::Sep, 1996 }, 36, 250 },
{ { 7, wxDateTime::Jan, 2076 }, 2, 7 },
};
for ( size_t n = 0; n < WXSIZEOF(weekNumberTestDates); n++ )
{
const WeekNumberTestData& wn = weekNumberTestDates[n];
const Date& d = wn.date;
wxDateTime dt = d.DT();
wxDateTime::wxDateTime_t week = dt.GetWeekOfYear(),
dnum = dt.GetDayOfYear();
printf("%s: the day number is %d",
d.FormatDate().c_str(), dnum);
if ( dnum == wn.dnum )
{
printf(" (ok)");
}
else
{
printf(" (ERROR: should be %d)", wn.dnum);
}
printf(", week number is %d", week);
if ( week == wn.week )
{
puts(" (ok)");
}
else
{
printf(" (ERROR: should be %d)\n", wn.week);
}
}
}
// test DST calculations
static void TestTimeDST()
{
puts("\n*** wxDateTime DST test ***");
printf("DST is%s in effect now.\n\n",
wxDateTime::Now().IsDST() ? "" : " not");
// taken from http://www.energy.ca.gov/daylightsaving.html
static const Date datesDST[2][2004 - 1900 + 1] =
{
{
{ 1, wxDateTime::Apr, 1990 },
{ 7, wxDateTime::Apr, 1991 },
{ 5, wxDateTime::Apr, 1992 },
{ 4, wxDateTime::Apr, 1993 },
{ 3, wxDateTime::Apr, 1994 },
{ 2, wxDateTime::Apr, 1995 },
{ 7, wxDateTime::Apr, 1996 },
{ 6, wxDateTime::Apr, 1997 },
{ 5, wxDateTime::Apr, 1998 },
{ 4, wxDateTime::Apr, 1999 },
{ 2, wxDateTime::Apr, 2000 },
{ 1, wxDateTime::Apr, 2001 },
{ 7, wxDateTime::Apr, 2002 },
{ 6, wxDateTime::Apr, 2003 },
{ 4, wxDateTime::Apr, 2004 },
},
{
{ 28, wxDateTime::Oct, 1990 },
{ 27, wxDateTime::Oct, 1991 },
{ 25, wxDateTime::Oct, 1992 },
{ 31, wxDateTime::Oct, 1993 },
{ 30, wxDateTime::Oct, 1994 },
{ 29, wxDateTime::Oct, 1995 },
{ 27, wxDateTime::Oct, 1996 },
{ 26, wxDateTime::Oct, 1997 },
{ 25, wxDateTime::Oct, 1998 },
{ 31, wxDateTime::Oct, 1999 },
{ 29, wxDateTime::Oct, 2000 },
{ 28, wxDateTime::Oct, 2001 },
{ 27, wxDateTime::Oct, 2002 },
{ 26, wxDateTime::Oct, 2003 },
{ 31, wxDateTime::Oct, 2004 },
}
};
int year;
for ( year = 1990; year < 2005; year++ )
{
wxDateTime dtBegin = wxDateTime::GetBeginDST(year, wxDateTime::USA),
dtEnd = wxDateTime::GetEndDST(year, wxDateTime::USA);
printf("DST period in the US for year %d: from %s to %s",
year, dtBegin.Format().c_str(), dtEnd.Format().c_str());
size_t n = year - 1990;
const Date& dBegin = datesDST[0][n];
const Date& dEnd = datesDST[1][n];
if ( dBegin.SameDay(dtBegin.GetTm()) && dEnd.SameDay(dtEnd.GetTm()) )
{
puts(" (ok)");
}
else
{
printf(" (ERROR: should be %s %d to %s %d)\n",
wxDateTime::GetMonthName(dBegin.month).c_str(), dBegin.day,
wxDateTime::GetMonthName(dEnd.month).c_str(), dEnd.day);
}
}
puts("");
for ( year = 1990; year < 2005; year++ )
{
printf("DST period in Europe for year %d: from %s to %s\n",
year,
wxDateTime::GetBeginDST(year, wxDateTime::Country_EEC).Format().c_str(),
wxDateTime::GetEndDST(year, wxDateTime::Country_EEC).Format().c_str());
}
}
// test wxDateTime -> text conversion
static void TestTimeFormat()
{
puts("\n*** wxDateTime formatting test ***");
// some information may be lost during conversion, so store what kind
// of info should we recover after a round trip
enum CompareKind
{
CompareNone, // don't try comparing
CompareBoth, // dates and times should be identical
CompareDate, // dates only
CompareTime // time only
};
static const struct
{
CompareKind compareKind;
const char *format;
} formatTestFormats[] =
{
{ CompareBoth, "---> %c" },
{ CompareDate, "Date is %A, %d of %B, in year %Y" },
{ CompareBoth, "Date is %x, time is %X" },
{ CompareTime, "Time is %H:%M:%S or %I:%M:%S %p" },
{ CompareNone, "The day of year: %j, the week of year: %W" },
};
static const Date formatTestDates[] =
{
{ 29, wxDateTime::May, 1976, 18, 30, 00 },
{ 31, wxDateTime::Dec, 1999, 23, 30, 00 },
#if 0
// this test can't work for other centuries because it uses two digit
// years in formats, so don't even try it
{ 29, wxDateTime::May, 2076, 18, 30, 00 },
{ 29, wxDateTime::Feb, 2400, 02, 15, 25 },
{ 01, wxDateTime::Jan, -52, 03, 16, 47 },
#endif
};
// an extra test (as it doesn't depend on date, don't do it in the loop)
printf("%s\n", wxDateTime::Now().Format("Our timezone is %Z").c_str());
for ( size_t d = 0; d < WXSIZEOF(formatTestDates) + 1; d++ )
{
puts("");
wxDateTime dt = d == 0 ? wxDateTime::Now() : formatTestDates[d - 1].DT();
for ( size_t n = 0; n < WXSIZEOF(formatTestFormats); n++ )
{
wxString s = dt.Format(formatTestFormats[n].format);
printf("%s", s.c_str());
// what can we recover?
int kind = formatTestFormats[n].compareKind;
// convert back
wxDateTime dt2;
const wxChar *result = dt2.ParseFormat(s, formatTestFormats[n].format);
if ( !result )
{
// converion failed - should it have?
if ( kind == CompareNone )
puts(" (ok)");
else
puts(" (ERROR: conversion back failed)");
}
else if ( *result )
{
// should have parsed the entire string
puts(" (ERROR: conversion back stopped too soon)");
}
else
{
bool equal = FALSE; // suppress compilaer warning
switch ( kind )
{
case CompareBoth:
equal = dt2 == dt;
break;
case CompareDate:
equal = dt.IsSameDate(dt2);
break;
case CompareTime:
equal = dt.IsSameTime(dt2);
break;
}
if ( !equal )
{
printf(" (ERROR: got back '%s' instead of '%s')\n",
dt2.Format().c_str(), dt.Format().c_str());
}
else
{
puts(" (ok)");
}
}
}
}
}
// test text -> wxDateTime conversion
static void TestTimeParse()
{
puts("\n*** wxDateTime parse test ***");
struct ParseTestData
{
const char *format;
Date date;
bool good;
};
static const ParseTestData parseTestDates[] =
{
{ "Sat, 18 Dec 1999 00:46:40 +0100", { 18, wxDateTime::Dec, 1999, 00, 46, 40 }, TRUE },
{ "Wed, 1 Dec 1999 05:17:20 +0300", { 1, wxDateTime::Dec, 1999, 03, 17, 20 }, TRUE },
};
for ( size_t n = 0; n < WXSIZEOF(parseTestDates); n++ )
{
const char *format = parseTestDates[n].format;
printf("%s => ", format);
wxDateTime dt;
if ( dt.ParseRfc822Date(format) )
{
printf("%s ", dt.Format().c_str());
if ( parseTestDates[n].good )
{
wxDateTime dtReal = parseTestDates[n].date.DT();
if ( dt == dtReal )
{
puts("(ok)");
}
else
{
printf("(ERROR: should be %s)\n", dtReal.Format().c_str());
}
}
else
{
puts("(ERROR: bad format)");
}
}
else
{
printf("bad format (%s)\n",
parseTestDates[n].good ? "ERROR" : "ok");
}
}
}
#if 0
// test compatibility with the old wxDate/wxTime classes
static void TestTimeCompatibility()
{
puts("\n*** wxDateTime compatibility test ***");
printf("wxDate for JDN 0: %s\n", wxDate(0l).FormatDate().c_str());
printf("wxDate for MJD 0: %s\n", wxDate(2400000).FormatDate().c_str());
double jdnNow = wxDateTime::Now().GetJDN();
long jdnMidnight = (long)(jdnNow - 0.5);
printf("wxDate for today: %s\n", wxDate(jdnMidnight).FormatDate().c_str());
jdnMidnight = wxDate().Set().GetJulianDate();
printf("wxDateTime for today: %s\n",
wxDateTime((double)(jdnMidnight + 0.5)).Format("%c", wxDateTime::GMT0).c_str());
int flags = wxEUROPEAN;//wxFULL;
wxDate date;
date.Set();
printf("Today is %s\n", date.FormatDate(flags).c_str());
for ( int n = 0; n < 7; n++ )
{
printf("Previous %s is %s\n",
wxDateTime::GetWeekDayName((wxDateTime::WeekDay)n),
date.Previous(n + 1).FormatDate(flags).c_str());
}
}
#endif // 0
#endif // TEST_TIME
// ----------------------------------------------------------------------------
// threads
// ----------------------------------------------------------------------------
#ifdef TEST_THREADS
#include <wx/thread.h>
static size_t gs_counter = (size_t)-1;
static wxCriticalSection gs_critsect;
static wxCondition gs_cond;
class MyJoinableThread : public wxThread
{
public:
MyJoinableThread(size_t n) : wxThread(wxTHREAD_JOINABLE)
{ m_n = n; Create(); }
// thread execution starts here
virtual ExitCode Entry();
private:
size_t m_n;
};
wxThread::ExitCode MyJoinableThread::Entry()
{
unsigned long res = 1;
for ( size_t n = 1; n < m_n; n++ )
{
res *= n;
// it's a loooong calculation :-)
Sleep(100);
}
return (ExitCode)res;
}
class MyDetachedThread : public wxThread
{
public:
MyDetachedThread(size_t n, char ch)
{
m_n = n;
m_ch = ch;
m_cancelled = FALSE;
Create();
}
// thread execution starts here
virtual ExitCode Entry();
// and stops here
virtual void OnExit();
private:
size_t m_n; // number of characters to write
char m_ch; // character to write
bool m_cancelled; // FALSE if we exit normally
};
wxThread::ExitCode MyDetachedThread::Entry()
{
{
wxCriticalSectionLocker lock(gs_critsect);
if ( gs_counter == (size_t)-1 )
gs_counter = 1;
else
gs_counter++;
}
for ( size_t n = 0; n < m_n; n++ )
{
if ( TestDestroy() )
{
m_cancelled = TRUE;
break;
}
putchar(m_ch);
fflush(stdout);
wxThread::Sleep(100);
}
return 0;
}
void MyDetachedThread::OnExit()
{
wxLogTrace("thread", "Thread %ld is in OnExit", GetId());
wxCriticalSectionLocker lock(gs_critsect);
if ( !--gs_counter && !m_cancelled )
gs_cond.Signal();
}
void TestDetachedThreads()
{
puts("\n*** Testing detached threads ***");
static const size_t nThreads = 3;
MyDetachedThread *threads[nThreads];
size_t n;
for ( n = 0; n < nThreads; n++ )
{
threads[n] = new MyDetachedThread(10, 'A' + n);
}
threads[0]->SetPriority(WXTHREAD_MIN_PRIORITY);
threads[1]->SetPriority(WXTHREAD_MAX_PRIORITY);
for ( n = 0; n < nThreads; n++ )
{
threads[n]->Run();
}
// wait until all threads terminate
gs_cond.Wait();
puts("");
}
void TestJoinableThreads()
{
puts("\n*** Testing a joinable thread (a loooong calculation...) ***");
// calc 10! in the background
MyJoinableThread thread(10);
thread.Run();
printf("\nThread terminated with exit code %lu.\n",
(unsigned long)thread.Wait());
}
void TestThreadSuspend()
{
puts("\n*** Testing thread suspend/resume functions ***");
MyDetachedThread *thread = new MyDetachedThread(15, 'X');
thread->Run();
// this is for this demo only, in a real life program we'd use another
// condition variable which would be signaled from wxThread::Entry() to
// tell us that the thread really started running - but here just wait a
// bit and hope that it will be enough (the problem is, of course, that
// the thread might still not run when we call Pause() which will result
// in an error)
wxThread::Sleep(300);
for ( size_t n = 0; n < 3; n++ )
{
thread->Pause();
puts("\nThread suspended");
if ( n > 0 )
{
// don't sleep but resume immediately the first time
wxThread::Sleep(300);
}
puts("Going to resume the thread");
thread->Resume();
}
puts("Waiting until it terminates now");
// wait until the thread terminates
gs_cond.Wait();
puts("");
}
void TestThreadDelete()
{
// As above, using Sleep() is only for testing here - we must use some
// synchronisation object instead to ensure that the thread is still
// running when we delete it - deleting a detached thread which already
// terminated will lead to a crash!
puts("\n*** Testing thread delete function ***");
MyDetachedThread *thread0 = new MyDetachedThread(30, 'W');
thread0->Delete();
puts("\nDeleted a thread which didn't start to run yet.");
MyDetachedThread *thread1 = new MyDetachedThread(30, 'Y');
thread1->Run();
wxThread::Sleep(300);
thread1->Delete();
puts("\nDeleted a running thread.");
MyDetachedThread *thread2 = new MyDetachedThread(30, 'Z');
thread2->Run();
wxThread::Sleep(300);
thread2->Pause();
thread2->Delete();
puts("\nDeleted a sleeping thread.");
MyJoinableThread thread3(20);
thread3.Run();
thread3.Delete();
puts("\nDeleted a joinable thread.");
MyJoinableThread thread4(2);
thread4.Run();
wxThread::Sleep(300);
thread4.Delete();
puts("\nDeleted a joinable thread which already terminated.");
puts("");
}
#endif // TEST_THREADS
// ----------------------------------------------------------------------------
// arrays
// ----------------------------------------------------------------------------
#ifdef TEST_ARRAYS
void PrintArray(const char* name, const wxArrayString& array)
{
printf("Dump of the array '%s'\n", name);
size_t nCount = array.GetCount();
for ( size_t n = 0; n < nCount; n++ )
{
printf("\t%s[%u] = '%s'\n", name, n, array[n].c_str());
}
}
#endif // TEST_ARRAYS
// ----------------------------------------------------------------------------
// strings
// ----------------------------------------------------------------------------
#ifdef TEST_STRINGS
#include "wx/timer.h"
static void TestString()
{
wxStopWatch sw;
wxString a, b, c;
a.reserve (128);
b.reserve (128);
c.reserve (128);
for (int i = 0; i < 1000000; ++i)
{
a = "Hello";
b = " world";
c = "! How'ya doin'?";
a += b;
a += c;
c = "Hello world! What's up?";
if (c != a)
c = "Doh!";
}
printf ("TestString elapsed time: %ld\n", sw.Time());
}
static void TestPChar()
{
wxStopWatch sw;
char a [128];
char b [128];
char c [128];
for (int i = 0; i < 1000000; ++i)
{
strcpy (a, "Hello");
strcpy (b, " world");
strcpy (c, "! How'ya doin'?");
strcat (a, b);
strcat (a, c);
strcpy (c, "Hello world! What's up?");
if (strcmp (c, a) == 0)
strcpy (c, "Doh!");
}
printf ("TestPChar elapsed time: %ld\n", sw.Time());
}
static void TestStringSub()
{
wxString s("Hello, world!");
puts("*** Testing wxString substring extraction ***");
printf("String = '%s'\n", s.c_str());
printf("Left(5) = '%s'\n", s.Left(5).c_str());
printf("Right(6) = '%s'\n", s.Right(6).c_str());
printf("Mid(3, 5) = '%s'\n", s(3, 5).c_str());
printf("Mid(3) = '%s'\n", s.Mid(3).c_str());
printf("substr(3, 5) = '%s'\n", s.substr(3, 5).c_str());
printf("substr(3) = '%s'\n", s.substr(3).c_str());
puts("");
}
static void TestStringFormat()
{
puts("*** Testing wxString formatting ***");
wxString s;
s.Printf("%03d", 18);
printf("Number 18: %s\n", wxString::Format("%03d", 18).c_str());
printf("Number 18: %s\n", s.c_str());
puts("");
}
#endif // TEST_STRINGS
// ----------------------------------------------------------------------------
// entry point
// ----------------------------------------------------------------------------
int main(int argc, char **argv)
{
if ( !wxInitialize() )
{
fprintf(stderr, "Failed to initialize the wxWindows library, aborting.");
}
#ifdef TEST_STRINGS
if ( 0 )
{
TestPChar();
TestString();
}
if ( 0 )
{
TestStringSub();
}
TestStringFormat();
#endif // TEST_STRINGS
#ifdef TEST_ARRAYS
wxArrayString a1;
a1.Add("tiger");
a1.Add("cat");
a1.Add("lion");
a1.Add("dog");
a1.Add("human");
a1.Add("ape");
puts("*** Initially:");
PrintArray("a1", a1);
wxArrayString a2(a1);
PrintArray("a2", a2);
wxSortedArrayString a3(a1);
PrintArray("a3", a3);
puts("*** After deleting a string from a1");
a1.Remove(2);
PrintArray("a1", a1);
PrintArray("a2", a2);
PrintArray("a3", a3);
puts("*** After reassigning a1 to a2 and a3");
a3 = a2 = a1;
PrintArray("a2", a2);
PrintArray("a3", a3);
#endif // TEST_ARRAYS
#ifdef TEST_DIR
TestDirEnum();
#endif // TEST_DIR
#ifdef TEST_LOG
wxString s;
for ( size_t n = 0; n < 8000; n++ )
{
s << (char)('A' + (n % 26));
}
wxString msg;
msg.Printf("A very very long message: '%s', the end!\n", s.c_str());
// this one shouldn't be truncated
printf(msg);
// but this one will because log functions use fixed size buffer
// (note that it doesn't need '\n' at the end neither - will be added
// by wxLog anyhow)
wxLogMessage("A very very long message 2: '%s', the end!", s.c_str());
#endif // TEST_LOG
#ifdef TEST_THREADS
int nCPUs = wxThread::GetCPUCount();
printf("This system has %d CPUs\n", nCPUs);
if ( nCPUs != -1 )
wxThread::SetConcurrency(nCPUs);
if ( argc > 1 && argv[1][0] == 't' )
wxLog::AddTraceMask("thread");
if ( 1 )
TestDetachedThreads();
if ( 1 )
TestJoinableThreads();
if ( 1 )
TestThreadSuspend();
if ( 1 )
TestThreadDelete();
#endif // TEST_THREADS
#ifdef TEST_LONGLONG
if ( 0 )
TestSpeed();
if ( 1 )
TestDivision();
#endif // TEST_LONGLONG
#ifdef TEST_MIME
TestMimeEnum();
#endif // TEST_MIME
#ifdef TEST_TIME
if ( 0 )
{
TestTimeSet();
TestTimeStatic();
TestTimeZones();
TestTimeRange();
TestTimeTicks();
TestTimeJDN();
TestTimeDST();
TestTimeWDays();
TestTimeWNumber();
TestTimeParse();
}
TestTimeFormat();
#endif // TEST_TIME
wxUninitialize();
return 0;
}