public void ConjunctionionTest_Intersect()
{
string literal1 = "ON (b3, Table) & ON (b2, b3) & ON (b1, b2)";
Conjunction conj1 = new Conjunction(literal1);
string literal2 = "ON (b1, b2) & ON (b2, b3) & ON (b3, Table)";
Conjunction conj2 = new Conjunction(literal2);
Assert.IsTrue(conj1.Intersect(conj2));
Assert.IsTrue(conj2.Intersect(conj1));
string literal3 = "ON (b1, b3) & Clear (Table) & Clear (b1)";
Conjunction conj3 = new Conjunction(literal3);
Assert.IsFalse(conj1.Intersect(conj3));
Assert.IsFalse(conj3.Intersect(conj1));
}