/// <summary>
/// Waits up to the specified timeout for the given
/// <see cref="Predicate"/>
/// to
/// become <code>true</code>.
/// <p/>
/// The timeout time is multiplied by the
/// <see cref="GetWaitForRatio()"/>
/// .
/// </summary>
/// <param name="timeout">the timeout in milliseconds to wait for the predicate.</param>
/// <param name="failIfTimeout">
/// indicates if the test should be failed if the
/// predicate times out.
/// </param>
/// <param name="predicate">the predicate ot evaluate.</param>
/// <returns>
/// the effective wait, in milli-seconds until the predicate become
/// <code>true</code> or <code>-1</code> if the predicate did not evaluate
/// to <code>true</code>.
/// </returns>
protected internal virtual long WaitFor(int timeout, bool failIfTimeout, HTestCase.Predicate
predicate)
{
long started = Time.Now();
long mustEnd = Time.Now() + (long)(GetWaitForRatio() * timeout);
long lastEcho = 0;
try
{
long waiting = mustEnd - Time.Now();
System.Console.Out.WriteLine(MessageFormat.Format("Waiting up to [{0}] msec", waiting
));
bool eval;
while (!(eval = predicate.Evaluate()) && Time.Now() < mustEnd)
{
if ((Time.Now() - lastEcho) > 5000)
{
waiting = mustEnd - Time.Now();
System.Console.Out.WriteLine(MessageFormat.Format("Waiting up to [{0}] msec", waiting
));
lastEcho = Time.Now();
}
Sharpen.Thread.Sleep(100);
}
if (!eval)
{
if (failIfTimeout)
{
NUnit.Framework.Assert.Fail(MessageFormat.Format("Waiting timed out after [{0}] msec"
, timeout));
}
else
{
System.Console.Out.WriteLine(MessageFormat.Format("Waiting timed out after [{0}] msec"
, timeout));
}
}
return((eval) ? Time.Now() - started : -1);
}
catch (Exception ex)
{
throw new RuntimeException(ex);
}
}
/// <summary>
/// Waits up to the specified timeout for the given
/// <see cref="Predicate"/>
/// to
/// become <code>true</code>, failing the test if the timeout is reached
/// and the Predicate is still <code>false</code>.
/// <p/>
/// The timeout time is multiplied by the
/// <see cref="GetWaitForRatio()"/>
/// .
/// </summary>
/// <param name="timeout">the timeout in milliseconds to wait for the predicate.</param>
/// <param name="predicate">the predicate ot evaluate.</param>
/// <returns>
/// the effective wait, in milli-seconds until the predicate become
/// <code>true</code>.
/// </returns>
protected internal virtual long WaitFor(int timeout, HTestCase.Predicate predicate
)
{
return(WaitFor(timeout, false, predicate));
}
