Update the gdatetime Test Program for Windows

Update the gdatetime test program to make use of the updates that was
done in gtimezone.c in the previous commit, so that we don't have to
worry what language version of Windows the tests are being run in, but
instead be assured that we produce and check for the English-language
time zone name strings.

Also, instead of testing for "Pacific Standard Time" in
test_GDAteTime_printf(), use GetDynamicTimeZoneInformation() to get the
actual time zone string (where the system running the test program is)
we want to check for, because on Windows the actual result will be
dependent on which timezone the system running the test program is in.

https://bugzilla.gnome.org/show_bug.cgi?id=719344

1 files changed, 26 insertions, 1 deletions

diff --git a/glib/tests/gdatetime.c b/glib/tests/gdatetime.c
index 6d89ea47a..ff2f89a61 100644
--- a/glib/tests/gdatetime.c
+++ b/glib/tests/gdatetime.c
@@ -25,6 +25,11 @@
 #include <glib/gstdio.h>
 #include <locale.h>
 
+#ifdef G_OS_WIN32
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#endif
+
 #define ASSERT_DATE(dt,y,m,d) G_STMT_START { \
   g_assert_nonnull ((dt)); \
   g_assert_cmpint ((y), ==, g_date_time_get_year ((dt))); \
@@ -1029,6 +1034,13 @@ test_GDateTime_new_full (void)
   GTimeZone *tz, *dt_tz;
   GDateTime *dt;
 
+#ifdef G_OS_WIN32
+  LCID currLcid = GetThreadLocale ();
+  LANGID currLangId = LANGIDFROMLCID (currLcid);
+  LANGID en = MAKELANGID (LANG_ENGLISH, SUBLANG_ENGLISH_US);
+  SetThreadUILanguage (en);
+#endif
+
   dt = g_date_time_new_utc (2009, 12, 11, 12, 11, 10);
   g_assert_cmpint (2009, ==, g_date_time_get_year (dt));
   g_assert_cmpint (12, ==, g_date_time_get_month (dt));
@@ -1063,6 +1075,7 @@ test_GDateTime_new_full (void)
                     g_date_time_get_timezone_abbreviation (dt));
   g_assert_cmpstr ("Pacific Standard Time", ==,
                    g_time_zone_get_identifier (dt_tz));
+  SetThreadUILanguage (currLangId);
 #endif
   g_assert (!g_date_time_is_daylight_savings (dt));
   g_date_time_unref (dt);
@@ -1333,6 +1346,11 @@ test_GDateTime_printf (void)
   struct tm tt;
   time_t t;
 
+#ifdef G_OS_WIN32
+  gchar *current_tz = NULL;
+  DYNAMIC_TIME_ZONE_INFORMATION dtz_info;
+#endif
+
 #define TEST_PRINTF(f,o)                        G_STMT_START {  \
 GDateTime *__dt = g_date_time_new_local (2009, 10, 24, 0, 0, 0);\
   gchar *__p = g_date_time_format (__dt, (f));                  \
@@ -1430,7 +1448,14 @@ GDateTime *__dt = g_date_time_new_local (2009, 10, 24, 0, 0, 0);\
 #ifdef G_OS_UNIX
   TEST_PRINTF ("%Z", dst);
 #elif defined G_OS_WIN32
-  TEST_PRINTF ("%Z", "Pacific Standard Time");
+  g_assert (GetDynamicTimeZoneInformation (&dtz_info) != TIME_ZONE_ID_INVALID);
+  if (wcscmp (dtz_info.StandardName, L"") != 0)
+    current_tz = g_utf16_to_utf8 (dtz_info.StandardName, -1, NULL, NULL, NULL);
+  else
+    current_tz = g_utf16_to_utf8 (dtz_info.DaylightName, -1, NULL, NULL, NULL);
+
+  TEST_PRINTF ("%Z", current_tz);
+  g_free (current_tz);
 #endif
 
   if (old_lc_messages != NULL)