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glib/tests/date.c: Fix 2-digit year test

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...for certain Windows locales, since the formats accepted for
g_date_set_parse() will vary depending on the current system locale.  For
instance, g_date_set_parse(gdate, "dd/mm/yy") is accepted on locales such
as zh-HK (Chinese (Hong Kong SAR)) but is rejected on zh-TW (Chinese
(Taiwan)).

One can tell from the "date format" settings in the Windows system
control panel whether there is a "dd/MM/YYYY" or "dd/MM/YY" option from the
drop-down list of date formats to display for the locale, which will indicate
whether g_date_set_parse(gdate, "dd/mm/yy") is accepted, which is true for
zh-HK but is not true for zh-TW.

If g_date_set_parse(gdate, "dd/mm/yy") is not accepted, try again with
g_date_set_parse(gdate, "yy/mm/dd") thereafter for the 2-digit-year tests.
This commit is contained in:
Chun-wei Fan 2022-04-11 15:18:30 +08:00
parent 697d3112b0
commit a8f1058d3b
1 changed files with 22 additions and 1 deletions
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23
glib/tests/date.c
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@ -826,6 +826,8 @@ test_two_digit_years (void)
GDate *d;
gchar buf[101];
gchar *old_locale;
gboolean use_alternative_format = FALSE;
#ifdef G_OS_WIN32
LCID old_lcid;
#endif
@ -848,6 +850,25 @@ test_two_digit_years (void)
g_date_strftime (buf, sizeof (buf), "%D", d);
g_assert_cmpstr (buf, ==, "10/10/76");
g_date_set_parse (d, buf);
#ifdef G_OS_WIN32
/*
* It depends on the locale setting whether the dd/mm/yy
* format is allowed for g_date_set_parse() on Windows, which
* corresponds to whether there is an d/M/YY or d/M/YYYY (or so)
* option in the "Date and Time Format" setting for the selected
* locale in the Control Panel settings. If g_date_set_parse()
* renders the GDate invalid with the dd/mm/yy format, use an
* alternative format (yy/mm/dd) for g_date_set_parse() for the
* 2-digit year tests.
*/
if (!g_date_valid (d))
use_alternative_format = TRUE;
#endif
if (use_alternative_format)
g_date_set_parse (d, "76/10/10");
g_assert_cmpint (g_date_get_month (d), ==, 10);
g_assert_cmpint (g_date_get_day (d), ==, 10);
g_assert_true ((g_date_get_year (d) == 1976) ||
@ -857,7 +878,7 @@ test_two_digit_years (void)
g_date_set_dmy (d, 10, 10, 29);
g_date_strftime (buf, sizeof (buf), "%D", d);
g_assert_cmpstr (buf, ==, "10/10/29");
g_date_set_parse (d, buf);
g_date_set_parse (d, use_alternative_format ? "29/10/10" : buf);
g_assert_cmpint (g_date_get_month (d), ==, 10);
g_assert_cmpint (g_date_get_day (d), ==, 10);
g_assert_true ((g_date_get_year (d) == 2029) ||