private static bool evaluateObject(ref TimeOfDay obj, evaluateObjectDelegate testFunction, ref string errorMessage, string onError, ref int errorCount)
{
if (!testFunction(obj))
{
errorCount++;
errorMessage += onError + "\r";
return(false);
}
return(true);
}
public static string _blackBoxTest()
{
TimeOfDay a, b, c;
int i;
string message = "timeOfDay test\r";
Random r = new Random(0xffffff);
int errCount = 0;
int testLength = 10000;
int maxErrors = 10;
evaluateObjectDelegate objectValidTest = new evaluateObjectDelegate(testValid);
message += "general testing\r";
for (i = 0; (i < testLength) && (errCount < maxErrors); i++)
{
a = new TimeOfDay(r.Next(-124, 124), r.Next(-160, 160), r.Next(-160, 160));
b = new TimeOfDay(r.Next(0, 24), r.Next(0, 60), r.Next(0, 60));
c = new TimeOfDay(r.Next(0, 24), r.Next(0, 60), r.Next(0, 60));
evaluateObject(ref a, objectValidTest, ref message, "invalid object", ref errCount);
evaluateObject(ref b, objectValidTest, ref message, "invalid object", ref errCount);
evaluateObject(ref c, objectValidTest, ref message, "invalid object", ref errCount);
//test comarisons
if (!comparisonTest(a, b) && comparisonTest(a, c) && comparisonTest(b, c))
{
message += " could not make valid < > == comparisions\r";
errCount++;
}
//test overflow
TimeSpan ts = new TimeSpan(0, 24, 0, 0);
TimeOfDay t = a;
t += ts;
if ((!t.overflow) || (!testValid(t)))
{
message += "time failed to overflow\r";
errCount++;
}
}
if (errCount >= maxErrors)
{
message += String.Format("testing halted because of to many errors (max errors = {0})\r", maxErrors);
}
message += String.Format("{0} errors in {1} tests\r", errCount, i);
errCount = 0;
return(message);
}
