private void UnloadOnThread()
{
try
{
if (_simulateUnloadError)
{
throw new CannotUnloadAppDomainException("Testing: simulated unload error");
}
if (_simulateUnloadTimeout)
{
while (true)
{
;
}
}
AppDomain.Unload(_domain);
}
catch (Exception ex)
{
// We assume that the tests did something bad and just leave
// the orphaned AppDomain "out there".
var msg = DomainDetailsBuilder.DetailsFor(_domain,
$"Exception encountered unloading application domain: {ex.Message}");
_unloadException = new NUnitEngineException(msg);
log.Error(msg);
}
}
public void Unload(TestPackage package)
{
_simulateUnloadError = package.GetSetting(EnginePackageSettings.SimulateUnloadError, false);
_simulateUnloadTimeout = package.GetSetting(EnginePackageSettings.SimulateUnloadTimeout, false);
_unloadThread = new Thread(new ThreadStart(UnloadOnThread));
_unloadThread.Start();
var timeout = TimeSpan.FromSeconds(30);
if (!_unloadThread.Join((int)timeout.TotalMilliseconds))
{
var msg = DomainDetailsBuilder.DetailsFor(_domain,
$"Unable to unload application domain: unload thread timed out after {timeout.TotalSeconds} seconds.");
log.Error(msg);
Kill(_unloadThread);
throw new NUnitEngineUnloadException(msg);
}
if (_unloadException != null)
{
throw new NUnitEngineUnloadException("Exception encountered unloading application domain", _unloadException);
}
}