chk_date.cpp

一个不错

/* Copyright is licensed under GNU LGPL.                 by I.J.Wang 2003

   Build: make chk_date
*/
#include "wydate.h"
#include "wy_uty.h"
#include <stdexcept>

#if WYDATE_VERSION!=31
#error Test code is for WYDATE_VERSION 31
#endif

extern void ck_date(void);

static const WyStr chdr(
                  "+---------------+\n"
                  "| main() caught:|\n"
                  "+---------------+\n");
int main(void) throw()
try {
 Wy::cout << "Checking wydate.h ...\n";
 Wy::cout << "sizeof(WyDate)= " << sizeof(WyDate) << '\n';
 if(std::strcmp(WyDate::class_name,"WyDate")!=0) {
   WY_THROW( WyRet() );
 }
 if(::strcmp(WyDate::TIMEZONE_UTC,"UTC")!=0) {
   WY_THROW( WyRet() );
 }

 ck_date();

 // Print time/date of several cities
 {
  WyRet r;
  WyTimeSpec tnow=Wy::now();
  WyDate tt;
  WyStr str;

  // setup tt for local time zone
  try {
    if((r=tt.reset(Wy::local_tzname(),tnow))!=Ok) {
      WY_THROW( WyRet() );
    }
  }
  catch(const WyDate::Reply& e) {
      WY_THROW( WyRet(e) );
  };

  Wy::cout << "It is now()=\n        "
            << Wy::wrd(tt);
  if(tt.time_zone()=="UTC") {
    Wy::cout << " ...(Wy::local_tzname() may be failed)\n";
  } else {
    Wy::cout << " ...(local time zone)\n";
  }
  if((r=Wy::_strftime(str,"        %Y-%m-%d %H:%M'%S\"(%w) %Z   ...(_strftime)\n\n",tt))!=Ok) {
    WY_THROW(r);
  }
  Wy::cout << str;

  if((r=tt.reset("UTC",tnow))!=Ok) {
    WY_THROW(r);
  }
  Wy::cout << "        " << Wy::wrd(tt) << '\n';
  if((r=tt.reset(":Africa/johannesburg",tnow))!=Ok) {
    WY_THROW(r);
  }
  Wy::cout << "        " << Wy::wrd(tt) << '\n';

  if((r=tt.reset(":Asia/Tokyo",tnow))!=Ok) {
    WY_THROW(r);
  }
  Wy::cout << "        " << Wy::wrd(tt) << '\n';

  if((r=tt.reset(":America/NewYork",tnow))!=Ok) {
    WY_THROW(r);
  }
  Wy::cout << "        " << Wy::wrd(tt) << '\n';

  if((r=tt.reset(":Europe/Paris",tnow))!=Ok) {
    WY_THROW(r);
  }
  Wy::cout << "        " << Wy::wrd(tt) << '\n';

  if((r=tt.reset(":Australia/Sydney",tnow))!=Ok) {
    WY_THROW(r);
  }
  Wy::cout << "        " << Wy::wrd(tt) << '\n';

  if((r=tt.reset(":Pacific/Honolulu",tnow))!=Ok) {
    WY_THROW(r);
  }
  Wy::cout << "        " << Wy::wrd(tt) << '\n';

 }
 Wy::cout << "Checked Ok\n";
 return(0);
}
catch(const WyDate::Reply& e) {
 Wy::cerr << chdr << "WyDate::Reply" << Wy::wrd(e) << '\n';
 return(-1);
}
catch(const WyTimeSpec::Reply& e) {
 Wy::cerr << chdr << "WyTimeSpec::Reply" << Wy::wrd(e) << '\n';
 return(-1);
}
catch(const WyRet& e) {
 Wy::cerr << chdr << Wy::wrd(e) << '\n';
 return(-1);
}
catch(...) {
 Wy::cerr << chdr << "unknown unwind" << '\n';
 return(-1);
};