modules/rostests/apitests/ntdll/RtlQueryTimeZoneInfo.c

   1 /*
   2  * PROJECT:     ntdll_apitest
   3  * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
   4  * PURPOSE:     Tests for RtlQueryTimeZoneInformation
   5  * COPYRIGHT:   Copyright 2018 Doug Lyons
   6  */
   7
   8 #include "precomp.h"
   9
  10 #if 0
  11 /*
  12  * RTL_SYSTEM_TIME is almost the same as the SYSTEMTIME structure defined
  13  * in winbase.h, however we need to define it differently here.
  14  * This is used by RtlQueryTimeZoneInformation and RtlSetTimeZoneInformation.
  15  * See: https://social.msdn.microsoft.com/Forums/en-US/home?forum=en-US and
  16  * Search: Reading TimeZone binary data from registry by Patrick
  17  *    and then look at the last post showing typedef struct SYSTEMTIME_TZI.
  18  */
  19 typedef struct _RTL_SYSTEM_TIME {
  20     WORD wYear;
  21     WORD wMonth;
  22     WORD wDay;                  /* wDayOfWeek was here normally */
  23     WORD wHour;
  24     WORD wMinute;
  25     WORD wSecond;
  26     WORD wMilliseconds;
  27     WORD wDayOfWeek;            /* wDayOfWeek relocated to here */
  28 } RTL_SYSTEM_TIME;
  29
  30 /*
  31  * RTL_TIME_ZONE_INFORMATION is the same as the TIME_ZONE_INFORMATION structure
  32  * defined in winbase.h, however we need to define RTL_TIME_ZONE_INFORMATION
  33  * seperately here so we don't depend on winbase.h.
  34  * This is used by RtlQueryTimeZoneInformation and RtlSetTimeZoneInformation.
  35  */
  36 typedef struct _RTL_TIME_ZONE_INFORMATION {
  37     LONG Bias;
  38     WCHAR StandardName[32];
  39     RTL_SYSTEM_TIME StandardDate;
  40     LONG StandardBias;
  41     WCHAR DaylightName[32];
  42     RTL_SYSTEM_TIME DaylightDate;
  43     LONG DaylightBias;
  44 } RTL_TIME_ZONE_INFORMATION;
  45 #endif
  46
  47 static NTSTATUS (WINAPI *pRtlQueryTimeZoneInformation)( RTL_TIME_ZONE_INFORMATION *);
  48
  49 static void test_RtlQueryTimeZoneInformation(void)
  50 {
  51     RTL_TIME_ZONE_INFORMATION tzinfo;
  52     NTSTATUS status;
  53     TIME_ZONE_INFORMATION tziOld, tziNew, tziTest;
  54     DWORD dwRet;
  55
  56     // Retrieve the current time zone information
  57
  58     dwRet = GetTimeZoneInformation(&tziOld);
  59
  60     ok(dwRet == TIME_ZONE_ID_STANDARD || dwRet == TIME_ZONE_ID_UNKNOWN || dwRet == TIME_ZONE_ID_DAYLIGHT,
  61         "Get Time Zone Name failed with error = %ld.\n", GetLastError());
  62
  63     // Adjust the time zone information
  64
  65     ZeroMemory(&tziNew, sizeof(tziNew));
  66     tziNew.Bias = 360;
  67     wcscpy(tziNew.StandardName, L"Test Standard Zone");
  68     tziNew.StandardDate.wMonth = 11;
  69     tziNew.StandardDate.wDayOfWeek = 5;
  70     tziNew.StandardDate.wDay = 3;
  71     tziNew.StandardDate.wHour = 2;
  72     tziNew.StandardBias = 120;
  73
  74     wcscpy(tziNew.DaylightName, L"Test Daylight Zone");
  75     tziNew.DaylightDate.wMonth = 4;
  76     tziNew.DaylightDate.wDayOfWeek = 6;
  77     tziNew.DaylightDate.wDay = 2;
  78     tziNew.DaylightDate.wHour = 2;
  79     tziNew.DaylightBias = -60;
  80
  81     // Set up SetLastError with known value for later testing
  82
  83     SetLastError(0xDEADBEEF);
  84
  85     ok(SetTimeZoneInformation(&tziNew) ,
  86         "Set Time Zone Information failed with error = %ld.\n", GetLastError());
  87
  88     // if we got an error the function failed, so there is not much else we can do
  89
  90     if(GetLastError() != 0xDEADBEEF)
  91     {
  92         win_skip("SetTimeZoneInformation() is not available, so tests cannot be run.\n");
  93         return;
  94     }
  95
  96     // Retrieve and display the newly set time zone information
  97
  98     dwRet = GetTimeZoneInformation(&tziTest);
  99
 100     ok(dwRet == TIME_ZONE_ID_STANDARD || dwRet == TIME_ZONE_ID_UNKNOWN || dwRet == TIME_ZONE_ID_DAYLIGHT,
 101         "Get Time Zone Information Returned failed with error = %ld.\n", GetLastError());
 102
 103     ok(!wcscmp(tziTest.StandardName, tziNew.StandardName),
 104         "Standard Time Zone Name = %ls, expected %ls.\n", tziTest.StandardName, tziNew.StandardName);
 105
 106     ok(!wcscmp(tziTest.DaylightName, tziNew.DaylightName),
 107         "Standard Time Zone Name = %ls, expected %ls.\n", tziTest.DaylightName, tziNew.DaylightName);
 108
 109     /* test RtlQueryTimeZoneInformation returns a TIME_ZONE_INFORMATION structure */
 110
 111     if (!pRtlQueryTimeZoneInformation)
 112     {
 113         win_skip("pRtlQueryTimeZoneInformation() fails, so tests cannot be run.\n");
 114         return;
 115     }
 116
 117     /* Clear Time Zone Info field */
 118     memset(&tzinfo, 0, sizeof(tzinfo));
 119
 120     /* Read Time Zone Info */
 121     status = pRtlQueryTimeZoneInformation(&tzinfo);
 122     ok(status == STATUS_SUCCESS, "pRtlQueryTimeZoneInformation failed, got %08lx\n", status);
 123
 124     /* Check for the Daylight Date Info */
 125     ok(tzinfo.DaylightDate.Month == 4, "tzinfo.DaylightDate.wMonth expected '4', got '%d'.\n", tzinfo.DaylightDate.Month);
 126     ok(tzinfo.DaylightDate.Day == 2, "tzinfo.DaylightDate.wDay expected '2', got '%d'.\n", tzinfo.DaylightDate.Day);
 127     ok(tzinfo.DaylightDate.Weekday == 6, "tzinfo.DaylightDate.wDayOfWeek expected '6', got '%d'.\n", tzinfo.DaylightDate.Weekday);
 128     ok(tzinfo.DaylightDate.Year == 0, "tzinfo.DaylightDate.wYear expected '0', got '%d'.\n", tzinfo.DaylightDate.Year);
 129
 130     /* Check for the Standard Data Info */
 131     ok(tzinfo.StandardDate.Month == 11, "tzinfo.StandardDate.wMonth expected '11', got '%d'.\n", tzinfo.StandardDate.Month);
 132     ok(tzinfo.StandardDate.Day == 3, "tzinfo.StandardDate.wDay expected '3', got '%d'.\n", tzinfo.StandardDate.Day);
 133     ok(tzinfo.StandardDate.Weekday == 5, "tzinfo.StandardDate.wDayOfWeek expected '5', got '%d'.\n", tzinfo.StandardDate.Weekday);
 134     ok(tzinfo.StandardDate.Year == 0, "tzinfo.StandardDate.wYear expected '0', got '%d'.\n", tzinfo.StandardDate.Year);
 135
 136     /* Check for the Bias Info */
 137     ok(tzinfo.Bias == 360, "tzinfo.Bias expected '360', got '%ld'.\n", tzinfo.Bias);
 138     ok(tzinfo.DaylightBias == -60, "tzinfo.DaylightBias expected '-60', got '%ld'.\n", tzinfo.DaylightBias);
 139     ok(tzinfo.StandardBias == 120, "tzinfo.StandardBias expected '120', got '%ld'.\n", tzinfo.StandardBias);
 140
 141     // Restore the original time zone information and put things back like we found them originally
 142     ok(SetTimeZoneInformation(&tziOld),
 143         "Set Time Zone Information failed with error = %ld.\n", GetLastError());
 144
 145 }
 146
 147
 148 START_TEST(RtlQueryTimeZoneInformation)
 149 {
 150     /* Test modeled after reactos\modules\rostests\winetests\ntdll\time.c for Vista+ */
 151     HMODULE mod = GetModuleHandleA("ntdll.dll");
 152     pRtlQueryTimeZoneInformation = (void *)GetProcAddress(mod, "RtlQueryTimeZoneInformation");
 153
 154     test_RtlQueryTimeZoneInformation();
 155 }