public void TestContainsAllArguments()
{
var capa = new PopCapability("sasl", "cram-md5", "plain");
Assert.IsTrue(capa.ContainsAllArguments());
Assert.IsTrue(capa.ContainsAllArguments("cram-md5"));
Assert.IsTrue(capa.ContainsAllArguments("plain"));
Assert.IsTrue(capa.ContainsAllArguments("cram-md5", "plain"));
Assert.IsTrue(capa.ContainsAllArguments("plain", "cram-md5"));
Assert.IsFalse(capa.ContainsAllArguments("digest-md5"));
}