public void And_should_allow_passing_object()
{
var and = new And();
Assert.AreEqual(true, and.Invoke(true, true));
Assert.AreEqual(false, and.Invoke(true, false));
Assert.AreEqual(false, and.Invoke(false, false));
Assert.AreEqual(typeof(ArrayList), and.Invoke(new ArrayList(), new ArrayList()).GetType());
Assert.AreEqual(1, and.Invoke(0, 1));
Assert.AreEqual(0, and.Invoke(1, 0));
Assert.AreEqual(false, and.Invoke(false, null));
Assert.AreEqual(null, and.Invoke(null, false));
}