dlls/ntdll/tests/time.c

   1 /*
   2  * Unit test suite for ntdll time functions
   3  *
   4  * Copyright 2004 Rein Klazes
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "ntdll_test.h"
  22
  23 #define TICKSPERSEC        10000000
  24 #define TICKSPERMSEC       10000
  25 #define SECSPERDAY         86400
  26
  27 static VOID (WINAPI *pRtlTimeToTimeFields)( const LARGE_INTEGER *liTime, PTIME_FIELDS TimeFields) ;
  28 static VOID (WINAPI *pRtlTimeFieldsToTime)(  PTIME_FIELDS TimeFields,  PLARGE_INTEGER Time) ;
  29 static NTSTATUS (WINAPI *pNtQueryPerformanceCounter)( LARGE_INTEGER *counter, LARGE_INTEGER *frequency );
  30
  31 static const int MonthLengths[2][12] =
  32 {
  33         { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
  34         { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
  35 };
  36
  37 static inline BOOL IsLeapYear(int Year)
  38 {
  39     return Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0);
  40 }
  41
  42 /* start time of the tests */
  43 static TIME_FIELDS tftest = {1889,12,31,23,59,59,0,0};
  44
  45 static void test_pRtlTimeToTimeFields(void)
  46 {
  47     LARGE_INTEGER litime , liresult;
  48     TIME_FIELDS tfresult;
  49     int i=0;
  50     litime.QuadPart = ((ULONGLONG)0x0144017a << 32) | 0xf0b0a980;
  51     while( tftest.Year < 2110 ) {
  52         /* test at the last second of the month */
  53         pRtlTimeToTimeFields( &litime, &tfresult);
  54         ok( tfresult.Year == tftest.Year && tfresult.Month == tftest.Month &&
  55             tfresult.Day == tftest.Day && tfresult.Hour == tftest.Hour &&
  56             tfresult.Minute == tftest.Minute && tfresult.Second == tftest.Second,
  57             "#%d expected: %d-%d-%d %d:%d:%d  got:  %d-%d-%d %d:%d:%d\n", ++i,
  58             tftest.Year, tftest.Month, tftest.Day,
  59             tftest.Hour, tftest.Minute,tftest.Second,
  60             tfresult.Year, tfresult.Month, tfresult.Day,
  61             tfresult.Hour, tfresult.Minute, tfresult.Second);
  62         /* test the inverse */
  63         pRtlTimeFieldsToTime( &tfresult, &liresult);
  64         ok( liresult.QuadPart == litime.QuadPart," TimeFieldsToTime failed on %d-%d-%d %d:%d:%d. Error is %d ticks\n",
  65             tfresult.Year, tfresult.Month, tfresult.Day,
  66             tfresult.Hour, tfresult.Minute, tfresult.Second,
  67             (int) (liresult.QuadPart - litime.QuadPart) );
  68         /*  one second later is beginning of next month */
  69         litime.QuadPart +=  TICKSPERSEC ;
  70         pRtlTimeToTimeFields( &litime, &tfresult);
  71         ok( tfresult.Year == tftest.Year + (tftest.Month ==12) &&
  72             tfresult.Month == tftest.Month % 12 + 1 &&
  73             tfresult.Day == 1 && tfresult.Hour == 0 &&
  74             tfresult.Minute == 0 && tfresult.Second == 0,
  75             "#%d expected: %d-%d-%d %d:%d:%d  got:  %d-%d-%d %d:%d:%d\n", ++i,
  76             tftest.Year + (tftest.Month ==12),
  77             tftest.Month % 12 + 1, 1, 0, 0, 0,
  78             tfresult.Year, tfresult.Month, tfresult.Day,
  79             tfresult.Hour, tfresult.Minute, tfresult.Second);
  80         /* test the inverse */
  81         pRtlTimeFieldsToTime( &tfresult, &liresult);
  82         ok( liresult.QuadPart == litime.QuadPart," TimeFieldsToTime failed on %d-%d-%d %d:%d:%d. Error is %d ticks\n",
  83             tfresult.Year, tfresult.Month, tfresult.Day,
  84             tfresult.Hour, tfresult.Minute, tfresult.Second,
  85             (int) (liresult.QuadPart - litime.QuadPart) );
  86         /* advance to the end of the month */
  87         litime.QuadPart -=  TICKSPERSEC ;
  88         if( tftest.Month == 12) {
  89             tftest.Month = 1;
  90             tftest.Year += 1;
  91         } else
  92             tftest.Month += 1;
  93         tftest.Day = MonthLengths[IsLeapYear(tftest.Year)][tftest.Month - 1];
  94         litime.QuadPart +=  (LONGLONG) tftest.Day * TICKSPERSEC * SECSPERDAY;
  95     }
  96 }
  97
  98 static void test_NtQueryPerformanceCounter(void)
  99 {
 100     LARGE_INTEGER counter, frequency;
 101     NTSTATUS status;
 102
 103     status = pNtQueryPerformanceCounter(NULL, NULL);
 104     ok(status == STATUS_ACCESS_VIOLATION, "expected STATUS_ACCESS_VIOLATION, got %08x\n", status);
 105     status = pNtQueryPerformanceCounter(NULL, &frequency);
 106     ok(status == STATUS_ACCESS_VIOLATION, "expected STATUS_ACCESS_VIOLATION, got %08x\n", status);
 107     status = pNtQueryPerformanceCounter(&counter, (void *)0xdeadbee0);
 108     ok(status == STATUS_ACCESS_VIOLATION, "expected STATUS_ACCESS_VIOLATION, got %08x\n", status);
 109     status = pNtQueryPerformanceCounter((void *)0xdeadbee0, &frequency);
 110     ok(status == STATUS_ACCESS_VIOLATION, "expected STATUS_ACCESS_VIOLATION, got %08x\n", status);
 111
 112     status = pNtQueryPerformanceCounter(&counter, NULL);
 113     ok(status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %08x\n", status);
 114     status = pNtQueryPerformanceCounter(&counter, &frequency);
 115     ok(status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %08x\n", status);
 116 }
 117
 118 START_TEST(time)
 119 {
 120     HMODULE mod = GetModuleHandleA("ntdll.dll");
 121     pRtlTimeToTimeFields = (void *)GetProcAddress(mod,"RtlTimeToTimeFields");
 122     pRtlTimeFieldsToTime = (void *)GetProcAddress(mod,"RtlTimeFieldsToTime");
 123     pNtQueryPerformanceCounter = (void *)GetProcAddress(mod, "NtQueryPerformanceCounter");
 124     if (pRtlTimeToTimeFields && pRtlTimeFieldsToTime)
 125         test_pRtlTimeToTimeFields();
 126     else
 127         win_skip("Required time conversion functions are not available\n");
 128     test_NtQueryPerformanceCounter();
 129 }