1 | /* $Id: tstTime-4.cpp 6266 2008-01-07 21:58:54Z vboxsync $ */
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2 | /** @file
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3 | * innotek Portable Runtime Testcase - Simple RTTime vs. RTTimeSystem test.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2007 innotek GmbH
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | *
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17 | * The contents of this file may alternatively be used under the terms
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18 | * of the Common Development and Distribution License Version 1.0
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19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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20 | * VirtualBox OSE distribution, in which case the provisions of the
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21 | * CDDL are applicable instead of those of the GPL.
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22 | *
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23 | * You may elect to license modified versions of this file under the
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24 | * terms and conditions of either the GPL or the CDDL or both.
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25 | */
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26 |
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27 | /*******************************************************************************
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28 | * Header Files *
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29 | *******************************************************************************/
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30 | #include <iprt/time.h>
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31 | #include <iprt/stream.h>
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32 | #include <iprt/initterm.h>
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33 | #include <iprt/thread.h>
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34 | #include <VBox/sup.h>
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35 |
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36 |
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37 |
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38 | int main()
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39 | {
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40 | unsigned cErrors = 0;
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41 |
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42 | RTR3Init();
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43 | RTPrintf("tstTime-4: TESTING...\n");
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44 |
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45 | /*
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46 | * Check that RTTimeSystemNanoTS doesn't go backwards and
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47 | * isn't too far from RTTimeNanoTS().
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48 | */
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49 | RTTimeSystemNanoTS(); RTTimeNanoTS(); RTThreadYield(); /* warmup */
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50 | const uint64_t SysStartTS = RTTimeSystemNanoTS();
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51 | const uint64_t GipStartTS = RTTimeNanoTS();
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52 | uint64_t SysPrevTS, GipPrevTS;
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53 | do
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54 | {
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55 | SysPrevTS = RTTimeSystemNanoTS();
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56 | GipPrevTS = RTTimeNanoTS();
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57 | if (SysPrevTS < SysStartTS)
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58 | {
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59 | cErrors++;
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60 | RTPrintf("tstTime-4: Bad Sys time!\n");
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61 | }
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62 | if (GipPrevTS < GipStartTS)
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63 | {
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64 | cErrors++;
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65 | RTPrintf("tstTime-4: Bad Gip time!\n");
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66 | }
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67 | int64_t Delta = GipPrevTS - SysPrevTS;
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68 | if (Delta > 0 ? Delta > 100000000 /* 100 ms */ : Delta < -100000000 /* -100 ms */)
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69 | {
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70 | cErrors++;
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71 | RTPrintf("tstTime-4: Delta=%lld!\n", Delta);
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72 | }
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73 |
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74 | } while (SysPrevTS - SysStartTS < 2000000000 /* 2s */);
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75 |
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76 |
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77 | if (!cErrors)
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78 | RTPrintf("tstTime-4: SUCCESS\n");
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79 | else
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80 | RTPrintf("tstTime-4: FAILURE - %d errors\n", cErrors);
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81 | return !!cErrors;
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82 | }
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83 |
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