public void ThrowsExceptionWhenExceptionOccursWhileStarting()
{
var listener = Substitute.For <IHttpListener>();
listener.When(_ => _.Start()).Do(_ => { throw new Exception(); });
using (var server = new RestServer(listener))
{
Should.Throw <UnableToStartHostException>(() => server.Start());
server.GetIsStarting().ShouldBeFalse();
}
}