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added win32 filetime test

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This commit is contained in:
Jeff Hill
2002-09-04 20:30:08 +00:00
parent 7c337a7257
commit b3104bbc2b
1 changed files with 13 additions and 3 deletions
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16
src/libCom/test/epicsTimeTest.cpp
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@@ -61,6 +61,16 @@ int epicsTimeTest (void)
printf ("epicsTime Test (%3d loops)\n========================\n\n", nTimes);
// test FILETIME conversion
{
epicsTime ts0 = epicsTime::getCurrent ();
FILETIME ft = ts0;
epicsTime ts1 = ft;
double diff = fabs ( ts0 - ts1 );
// we expect to loose 100 nS of precision when moving to and from win32 filetime
assert ( diff <= 100e-9 );
}
for (int iTimes=0; iTimes < nTimes; ++iTimes) {
for (i=0; i<wasteTime; i++) {
useSomeCPU = epicsTime::getCurrent();
@@ -138,7 +148,7 @@ int epicsTimeTest (void)
printf ("#%3d: Failed begin!=end\n",iTimes);
errors += 1;
}
const double diff2 = end - begin;
const double diff2 = end - begin;
if (!(diff2==diff)) {
printf ("#%3d: Failed end-begin==diff by %g\n",
iTimes, fabs(diff2-diff));
@@ -146,7 +156,7 @@ int epicsTimeTest (void)
}
epicsTime end2 = begin;
end2 += diff;
end2 += diff;
if (!(end2==end)) {
printf ("#%3d: Failed (begin+=diff)==end by %12.9f\n",
iTimes, fabs(begin-end));
@@ -164,7 +174,7 @@ int epicsTimeTest (void)
// test struct tm conversions
//
ansiDate = begin;
epicsTime beginANSI = ansiDate;
epicsTime beginANSI = ansiDate;
if (!(beginANSI+diff==end)) {
printf ("#%3d: Failed begin+diff==end "
"after tm conversions by %12.9f\n",