public new void ToString()
{
SqlPredicate p;
p = new SqlPredicate("x is null");
p.ToString();
Assert.That(p.ToString(), Is.EqualTo("x IS NULL"));
}
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(""));
}
public void Place()
{
SqlPredicate p;
p = new SqlPredicate("not c > 1");
p.Place("PH", "a");
Assert.That(p.ToString(), Is.EqualTo("NOT c>1"));
p = new SqlPredicate("@PH");
Assert.Throws <CannotBuildASTException>(() => { p.Place("PH", "1"); });
p = new SqlPredicate("@PH");
p.Place("PH", "a=1");
Assert.That(p.ToString(), Is.EqualTo("a=1"));
p = new SqlPredicate("Not @PH");
p.Place("PH", "x=2 or y=3");
Assert.That(p.ToString(), Is.EqualTo("NOT (x=2 OR y=3)"));
}
public void Place2()
{
SqlPredicate p;
//
// Predicate演算子の結合の優先順位が適用前後で変わらないことを確認する
//
p = new SqlPredicate("@PH");
p.Place("PH", "a=1 and b=2");
Assert.That(p.ToString(), Is.EqualTo("a=1 AND b=2"));
p = new SqlPredicate("@PH");
p.Place("PH", "a=1 or b=2");
Assert.That(p.ToString(), Is.EqualTo("a=1 OR b=2"));
p = new SqlPredicate("@PH");
p.Place("PH", "not a=1");
Assert.That(p.ToString(), Is.EqualTo("NOT a=1"));
p = new SqlPredicate("@PH");
p.Place("PH", "a=1 collate jp");
Assert.That(p.ToString(), Is.EqualTo("a=1 COLLATE jp"));
p = new SqlPredicate("@PH AND 1 = 1");
p.Place("PH", "a=1 and b=2");
Assert.That(p.ToString(), Is.EqualTo("a=1 AND b=2 AND 1=1"));
p = new SqlPredicate("@PH AND 1 = 1");
p.Place("PH", "a=1 or b=2");
Assert.That(p.ToString(), Is.EqualTo("(a=1 OR b=2) AND 1=1"));
p = new SqlPredicate("@PH AND 1 = 1");
p.Place("PH", "not a=1");
Assert.That(p.ToString(), Is.EqualTo("NOT a=1 AND 1=1"));
p = new SqlPredicate("@PH AND 1 = 1");
p.Place("PH", "a=1 collate jp");
Assert.That(p.ToString(), Is.EqualTo("a=1 COLLATE jp AND 1=1"));
p = new SqlPredicate("@PH OR 1 = 1");
p.Place("PH", "a=1 and b=2");
Assert.That(p.ToString(), Is.EqualTo("a=1 AND b=2 OR 1=1"));
p = new SqlPredicate("@PH OR 1 = 1");
p.Place("PH", "a=1 or b=2");
Assert.That(p.ToString(), Is.EqualTo("a=1 OR b=2 OR 1=1"));
p = new SqlPredicate("@PH OR 1 = 1");
p.Place("PH", "not a=1");
Assert.That(p.ToString(), Is.EqualTo("NOT a=1 OR 1=1"));
p = new SqlPredicate("@PH OR 1 = 1");
p.Place("PH", "a=1 collate jp");
Assert.That(p.ToString(), Is.EqualTo("a=1 COLLATE jp OR 1=1"));
p = new SqlPredicate("Not @PH");
p.Place("PH", "a=1 and b=2");
Assert.That(p.ToString(), Is.EqualTo("NOT (a=1 AND b=2)"));
p = new SqlPredicate("Not @PH");
p.Place("PH", "a=1 or b=2");
Assert.That(p.ToString(), Is.EqualTo("NOT (a=1 OR b=2)"));
p = new SqlPredicate("Not @PH");
p.Place("PH", "not a=1");
Assert.That(p.ToString(), Is.EqualTo("NOT NOT a=1"));
p = new SqlPredicate("Not @PH");
p.Place("PH", "a=1 collate jp");
Assert.That(p.ToString(), Is.EqualTo("NOT a=1 COLLATE jp"));
p = new SqlPredicate("@PH collate jp");
p.Place("PH", "a=1 and b=2");
Assert.That(p.ToString(), Is.EqualTo("(a=1 AND b=2) COLLATE jp"));
p = new SqlPredicate("@PH collate jp");
p.Place("PH", "a=1 or b=2");
Assert.That(p.ToString(), Is.EqualTo("(a=1 OR b=2) COLLATE jp"));
p = new SqlPredicate("@PH collate jp");
p.Place("PH", "not a=1");
Assert.That(p.ToString(), Is.EqualTo("NOT a=1 COLLATE jp"));
p = new SqlPredicate("@PH collate jp");
p.Place("PH", "a=1 collate jp");
Assert.That(p.ToString(), Is.EqualTo("a=1 COLLATE jp COLLATE jp"));
}