public void Clone()
{
SqlPredicate p;
SqlPredicate p1;
p = new SqlPredicate("@PH");
p1 = p.Clone();
Assert.That(p.ToString(), Is.EqualTo("@PH"));
Assert.That(p1.ToString(), Is.EqualTo("@PH"));
p1.Place("PH", "x=1");
Assert.That(p.ToString(), Is.EqualTo("@PH"));
Assert.That(p1.ToString(), Is.EqualTo("x=1"));
}
public void Empty()
{
SqlPredicate p = new SqlPredicate();
Assert.That(p.And(p).ToString(), Is.EqualTo(""));
Assert.That(p.Clone().ToString(), Is.EqualTo(""));
Assert.That(p.GetAllPlaceHolders(), Is.EqualTo(new string[] { }));
Assert.That(p.HasUnplacedHolder("T"), Is.False);
Assert.That(p.HasUnplacedHolders(), Is.False);
Assert.That(p.IsEmpty, Is.True);
Assert.That(p.IsPlaceHolderOnly, Is.False);
p.Place("PH", "a=1");
Assert.That(p.ToString(), Is.EqualTo(""));
}