#undef G_DISABLE_ASSERT

#undef G_LOG_DOMAIN

#ifdef GLIB_COMPILATION

#undef GLIB_COMPILATION

#endif

#include "glib.h"

#include <stdio.h>

#include <string.h>

#include <locale.h>

#include <time.h>

gboolean failed = FALSE;

guint32 passed = 0;

guint32 notpassed = 0;

#define	TEST(m,cond)	G_STMT_START { failed = !(cond); \

if (failed) \

  { ++notpassed; \

    if (!m) \

      g_print ("\n(%s:%d) failed for: %s\n", __FILE__, __LINE__, ( # cond )); \

    else \

      g_print ("\n(%s:%d) failed for: %s: (%s)\n", __FILE__, __LINE__, ( # cond ), (gchar*)m); \

  } \

else \

  ++passed;    \

  if ((passed+notpassed) % 10000 == 0) g_print ("."); fflush (stdout); \

} G_STMT_END

static void

g_date_debug_print (GDate* d)

{

  if (!d) g_print("NULL!\n");

  else 

    g_print("julian: %u (%s) DMY: %u %u %u (%s)\n",

	    d->julian_days, 

	    d->julian ? "valid" : "invalid",

	    d->day,

	    d->month,

	    d->year,

	    d->dmy ? "valid" : "invalid");

  fflush(stdout);

}

int main(int argc, char** argv)

{

  GDate* d;

  guint32 j;

  GDateMonth m;

  GDateYear y, prev_y;

  GDateDay day;

  gchar buf[101];

  gchar* loc;

  /* Try to get all the leap year cases. */

  GDateYear check_years[] = { 

    1, 2, 3, 4, 5, 6, 7, 8, 9, 10,

    11, 12, 13, 14, 98, 99, 100, 101, 102, 103, 397, 

    398, 399, 400, 401, 402, 403, 404, 405, 406,

    1598, 1599, 1600, 1601, 1602, 1650, 1651,

    1897, 1898, 1899, 1900, 1901, 1902, 1903, 

    1961, 1962, 1963, 1964, 1965, 1967,

    1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976,

    1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 

    1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 

    1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 

    2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,

    3000, 3001, 3002, 3998, 3999, 4000, 4001, 4002, 4003

  };

  guint n_check_years = sizeof(check_years)/sizeof(GDateYear);

  guint i, k;

  gboolean discontinuity;

  g_print("checking GDate...");

  TEST("sizeof(GDate) is not more than 8 bytes on this platform", sizeof(GDate) < 9);

  d = g_date_new();

  TEST("Empty constructor produces invalid date", !g_date_valid(d));

  g_date_free(d);

  d = g_date_new_dmy(1,1,1);

  TEST("January 1, Year 1 created and valid", g_date_valid(d));

  j = g_date_get_julian(d);

  TEST("January 1, Year 1 is Julian date 1", j == 1);

  TEST("Returned month is January", g_date_get_month(d) == G_DATE_JANUARY);

  TEST("Returned day is 1", g_date_get_day(d) == 1);

  TEST("Returned year is 1", g_date_get_year(d) == 1);

  TEST("Bad month is invalid", !g_date_valid_month(G_DATE_BAD_MONTH));

  TEST("Month 13 is invalid",  !g_date_valid_month(13));

  TEST("Bad day is invalid",   !g_date_valid_day(G_DATE_BAD_DAY));

  TEST("Day 32 is invalid",     !g_date_valid_day(32));

  TEST("Bad year is invalid",  !g_date_valid_year(G_DATE_BAD_YEAR));

  TEST("Bad julian is invalid", !g_date_valid_julian(G_DATE_BAD_JULIAN));

  TEST("Bad weekday is invalid", !g_date_valid_weekday(G_DATE_BAD_WEEKDAY));

  TEST("Year 2000 is a leap year", g_date_is_leap_year(2000));

  TEST("Year 1999 is not a leap year", !g_date_is_leap_year(1999));

  TEST("Year 1996 is a leap year", g_date_is_leap_year(1996));

  TEST("Year 1600 is a leap year", g_date_is_leap_year(1600));

  TEST("Year 2100 is not a leap year", !g_date_is_leap_year(2100));

  TEST("Year 1800 is not a leap year", !g_date_is_leap_year(1800));

  g_date_free(d);

  loc = setlocale(LC_ALL,"");

  if (loc) 

    g_print("\nLocale set to %s\n", loc);

  else 

    g_print("\nLocale unchanged\n");

  d = g_date_new();

  g_date_set_time(d, time(NULL));

  TEST("Today is valid", g_date_valid(d));

  g_date_strftime(buf,100,"Today is a %A, %x\n", d);

  g_print("%s", buf);

  g_date_set_time(d, 1);

  TEST("Beginning of Unix epoch is valid", g_date_valid(d));

  g_date_strftime(buf,100,"1 second into the Unix epoch it was a %A, in the month of %B, %x\n", d);

  g_print("%s", buf);

  g_date_set_julian(d, 1);

  TEST("GDate's \"Julian\" epoch's first day is valid", g_date_valid(d));

  g_date_strftime(buf,100,"Our \"Julian\" epoch begins on a %A, in the month of %B, %x\n",

		  d);

  g_print("%s", buf);

  g_date_set_dmy(d, 10, 1, 2000);

  g_date_strftime(buf,100,"%x", d);

  g_date_set_parse(d, buf);

  /* Note: this test will hopefully work, but no promises. */

  TEST("Successfully parsed a %x-formatted string", 

       g_date_valid(d) && 

       g_date_get_month(d) == 1 && 

       g_date_get_day(d) == 10 && 

       g_date_get_year(d) == 2000);

  if (failed)

    g_date_debug_print(d);

  g_date_free(d);

  j = G_DATE_BAD_JULIAN;

  i = 0;

  discontinuity = TRUE;

  y      = check_years[0];

  prev_y = G_DATE_BAD_YEAR;

g_print ("testing %d years\n", n_check_years);

  while (i < n_check_years)

    {

      guint32 first_day_of_year = G_DATE_BAD_JULIAN;

      guint16 days_in_year = g_date_is_leap_year(y) ? 366 : 365;

      guint   sunday_week_of_year = 0;

      guint   sunday_weeks_in_year = g_date_get_sunday_weeks_in_year(y);

      guint   monday_week_of_year = 0;

      guint   monday_weeks_in_year = g_date_get_monday_weeks_in_year(y);

      guint   iso8601_week_of_year = 0;

      if (discontinuity)

        g_print(" (Break in sequence of requested years to check)\n");

      g_print("Checking year %u", y);

      TEST("Year is valid", g_date_valid_year(y));

      TEST("Number of Sunday weeks in year is 52 or 53", 

	   sunday_weeks_in_year == 52 || sunday_weeks_in_year == 53);

      TEST("Number of Monday weeks in year is 52 or 53", 

	   monday_weeks_in_year == 52 || monday_weeks_in_year == 53);

      m = 1;

      while (m < 13) 

	{

	  guint8 dim = g_date_get_days_in_month(m,y);

	  GDate days[31];         /* This is the fast way, no allocation */

	  TEST("Sensible number of days in month", (dim > 0 && dim < 32));

	  TEST("Month between 1 and 12 is valid", g_date_valid_month(m));

	  day = 1;

	  g_date_clear(days, 31);

	  while (day <= dim) 

	    {

              GDate tmp;

	      TEST("DMY triplet is valid", g_date_valid_dmy(day,m,y));

	      /* Create GDate with triplet */

	      d = &days[day-1];

	      TEST("Cleared day is invalid", !g_date_valid(d));

	      g_date_set_dmy(d,day,m,y);

	      TEST("Set day is valid", g_date_valid(d));

	      if (m == G_DATE_JANUARY && day == 1) 

		{

		  first_day_of_year = g_date_get_julian(d);

		}

	      g_assert(first_day_of_year != G_DATE_BAD_JULIAN);

	      TEST("Date with DMY triplet is valid", g_date_valid(d));

	      TEST("Month accessor works", g_date_get_month(d) == m);

	      TEST("Year accessor works", g_date_get_year(d) == y);

	      TEST("Day of month accessor works", g_date_get_day(d) == day);

	      TEST("Day of year is consistent with Julian dates",

		   ((g_date_get_julian(d) + 1 - first_day_of_year) ==

		    (g_date_get_day_of_year(d))));

	      if (failed) 

		{

		  g_print("first day: %u this day: %u day of year: %u\n", 

			  first_day_of_year, 

			  g_date_get_julian(d),

			  g_date_get_day_of_year(d));

		}

	      if (m == G_DATE_DECEMBER && day == 31) 

		{

		  TEST("Last day of year equals number of days in year", 

		       g_date_get_day_of_year(d) == days_in_year);

		  if (failed) 

		    {

		      g_print("last day: %u days in year: %u\n", 

			      g_date_get_day_of_year(d), days_in_year);

		    }

		}

	      TEST("Day of year is not more than number of days in the year",

		   g_date_get_day_of_year(d) <= days_in_year);

	      TEST("Monday week of year is not more than number of weeks in the year",

		   g_date_get_monday_week_of_year(d) <= monday_weeks_in_year);

	      if (failed)

		{

		  g_print("Weeks in year: %u\n", monday_weeks_in_year);

		  g_date_debug_print(d);

		}

	      TEST("Monday week of year is >= than last week of year",

		   g_date_get_monday_week_of_year(d) >= monday_week_of_year);

	      if (g_date_get_weekday(d) == G_DATE_MONDAY) 

		{

		  TEST("Monday week of year on Monday 1 more than previous day's week of year",

		       (g_date_get_monday_week_of_year(d) - monday_week_of_year) == 1);

		  if ((m == G_DATE_JANUARY && day <= 4) ||

		      (m == G_DATE_DECEMBER && day >= 29)) {

		    TEST("ISO 8601 week of year on Monday Dec 29 - Jan 4 is 1",

			 (g_date_get_iso8601_week_of_year(d) == 1));

		  } else {

		    TEST("ISO 8601 week of year on Monday 1 more than previous day's week of year",

			 (g_date_get_iso8601_week_of_year(d) - iso8601_week_of_year) == 1);

		  }

		}

	      else 

		{

		  TEST("Monday week of year on non-Monday 0 more than previous day's week of year",

		       (g_date_get_monday_week_of_year(d) - monday_week_of_year) == 0);

		  if (!(day == 1 && m == G_DATE_JANUARY)) {

		    TEST("ISO 8601 week of year on non-Monday 0 more than previous day's week of year (",

			 (g_date_get_iso8601_week_of_year(d) - iso8601_week_of_year) == 0);

		  }

		}

	      monday_week_of_year = g_date_get_monday_week_of_year(d);

	      iso8601_week_of_year = g_date_get_iso8601_week_of_year(d);

	      TEST("Sunday week of year is not more than number of weeks in the year",

		   g_date_get_sunday_week_of_year(d) <= sunday_weeks_in_year);

	      if (failed)

		{

		  g_date_debug_print(d);

		}

	      TEST("Sunday week of year is >= than last week of year",

		   g_date_get_sunday_week_of_year(d) >= sunday_week_of_year);

	      if (g_date_get_weekday(d) == G_DATE_SUNDAY) 

		{

		  TEST("Sunday week of year on Sunday 1 more than previous day's week of year",

		       (g_date_get_sunday_week_of_year(d) - sunday_week_of_year) == 1);

		}

	      else 

		{

		  TEST("Sunday week of year on non-Sunday 0 more than previous day's week of year",

		       (g_date_get_sunday_week_of_year(d) - sunday_week_of_year) == 0);

		}

	      sunday_week_of_year = g_date_get_sunday_week_of_year(d);

	      TEST("Date is equal to itself",

		   g_date_compare(d,d) == 0);

	      /*************** Increments ***********/

              k = 1;

              while (k < 402) /* Need to get 400 year increments in */ 

                {

                  /***** Days ******/

                  tmp = *d;

                  g_date_add_days(d, k);

                  TEST("Adding days gives a value greater than previous",

                       g_date_compare(d, &tmp) > 0);

                  g_date_subtract_days(d, k);

                  TEST("Forward days then backward days returns us to current day",

                       g_date_get_day(d) == day);

                  if (failed) 

                    {

                      g_print("  (increment %u, dmy %u %u %u) ", k, day, m, y);

                      g_date_debug_print(d);

                    }

                  TEST("Forward days then backward days returns us to current month",

                       g_date_get_month(d) == m);

                  if (failed) 

                    {

                      g_print("  (increment %u, dmy %u %u %u) ", k, day, m, y);

                      g_date_debug_print(d);

                    }

                  TEST("Forward days then backward days returns us to current year",

                       g_date_get_year(d) == y);

                  if (failed) 

                    {

                      g_print("  (increment %u, dmy %u %u %u) ", k, day, m, y);

                      g_date_debug_print(d);

                    }

                  /******* Months ********/

                  tmp = *d;

                  g_date_add_months(d, k);

                  TEST("Adding months gives a larger value",

                       g_date_compare(d, &tmp) > 0);

                  g_date_subtract_months(d, k);

                  TEST("Forward months then backward months returns us to current month",

                       g_date_get_month(d) == m);

                  if (failed) 

                    {

                      g_print("  (increment %u, dmy %u %u %u) ", k, day, m, y);

                      g_date_debug_print(d);

                    }

                  TEST("Forward months then backward months returns us to current year",

                       g_date_get_year(d) == y);

                  if (failed) 

                    {

                      g_print("  (increment %u, dmy %u %u %u) ", k, day, m, y);

                      g_date_debug_print(d);

                    }

                  if (day < 29) 

                    {

                      /* Day should be unchanged */

                      TEST("Forward months then backward months returns us to current day",

                           g_date_get_day(d) == day);

                      if (failed) 

                        {

                          g_print("  (increment %u, dmy %u %u %u) ", k, day, m, y);

                          g_date_debug_print(d);

                        }

                    }

                  else 

                    {

                      /* reset the day for later tests */

                      g_date_set_day(d, day);

                    }

                  /******* Years ********/

                  tmp = *d;

                  g_date_add_years(d, k);

                  TEST("Adding years gives a larger value",

                       g_date_compare(d,&tmp) > 0);

                  g_date_subtract_years(d, k);

                  TEST("Forward years then backward years returns us to current month",

                       g_date_get_month(d) == m);

                  if (failed) 

                    {

                      g_print("  (increment %u, dmy %u %u %u) ", k, day, m, y);

                      g_date_debug_print(d);

                    }

                  TEST("Forward years then backward years returns us to current year",

                       g_date_get_year(d) == y);

                  if (failed) 

                    {

                      g_print("  (increment %u, dmy %u %u %u) ", k, day, m, y);

                      g_date_debug_print(d);

                    }

                  if (m != 2 && day != 29) 

                    {

                      TEST("Forward years then backward years returns us to current day",

                           g_date_get_day(d) == day);

                      if (failed) 

                        {

                          g_print("  (increment %u, dmy %u %u %u) ", k, day, m, y);

                          g_date_debug_print(d);

                        }

                    }

                  else 

                    {

                      g_date_set_day(d, day); /* reset */

                    }

                  k += 10;

                }

	      /*****  increment test relative to our local Julian count */

              if (!discontinuity) {

                /* We can only run sequence tests between sequential years */

                TEST("Julians are sequential with increment 1",

                     j+1 == g_date_get_julian(d));

                if (failed) 

                  {

                    g_print("Out of sequence, prev: %u expected: %u got: %u\n",

                            j, j+1, g_date_get_julian(d));

                  }

                g_date_add_days(d,1);

                TEST("Next day has julian 1 higher",

                     g_date_get_julian(d) == j + 2);

                g_date_subtract_days(d, 1);

                if (j != G_DATE_BAD_JULIAN) 

                  {

                    g_date_subtract_days(d, 1);

                    TEST("Previous day has julian 1 lower",

                         g_date_get_julian(d) == j);

                    g_date_add_days(d, 1); /* back to original */

                  }

              }    

              discontinuity = FALSE; /* goes away now */            

              fflush(stdout);

              fflush(stderr);

	      j = g_date_get_julian(d); /* inc current julian */

	      ++day;

	    } 

	  ++m;

	}

      g_print(" done\n");

      ++i;

      if (i == n_check_years)

        break;

      prev_y = y;

      y = check_years[i];

      if (prev_y == G_DATE_BAD_YEAR || 

          (prev_y + 1) != y) discontinuity = TRUE;

    }

  g_print("\n%u tests passed, %u failed\n",passed, notpassed);

  return 0;

}