public virtual void TestBasicAutomata()
{
AssertAutomatonHits(0, BasicAutomata.MakeEmpty());
AssertAutomatonHits(0, BasicAutomata.MakeEmptyString());
AssertAutomatonHits(2, BasicAutomata.MakeAnyChar());
AssertAutomatonHits(3, BasicAutomata.MakeAnyString());
AssertAutomatonHits(2, BasicAutomata.MakeString("doc"));
AssertAutomatonHits(1, BasicAutomata.MakeChar('a'));
AssertAutomatonHits(2, BasicAutomata.MakeCharRange('a', 'b'));
AssertAutomatonHits(2, BasicAutomata.MakeInterval(1233, 2346, 0));
AssertAutomatonHits(1, BasicAutomata.MakeInterval(0, 2000, 0));
AssertAutomatonHits(2, BasicOperations.Union(BasicAutomata.MakeChar('a'), BasicAutomata.MakeChar('b')));
AssertAutomatonHits(0, BasicOperations.Intersection(BasicAutomata.MakeChar('a'), BasicAutomata.MakeChar('b')));
AssertAutomatonHits(1, BasicOperations.Minus(BasicAutomata.MakeCharRange('a', 'b'), BasicAutomata.MakeChar('a')));
}
public virtual void TestIntersect()
{
for (int i = 0; i < numIterations; i++)
{
string reg = AutomatonTestUtil.RandomRegexp(Random);
Automaton automaton = (new RegExp(reg, RegExpSyntax.NONE)).ToAutomaton();
CompiledAutomaton ca = new CompiledAutomaton(automaton, SpecialOperations.IsFinite(automaton), false);
TermsEnum te = MultiFields.GetTerms(reader, "field").Intersect(ca, null);
Automaton expected = BasicOperations.Intersection(termsAutomaton, automaton);
JCG.SortedSet <BytesRef> found = new JCG.SortedSet <BytesRef>();
while (te.Next() != null)
{
found.Add(BytesRef.DeepCopyOf(te.Term));
}
Automaton actual = BasicAutomata.MakeStringUnion(found);
Assert.IsTrue(BasicOperations.SameLanguage(expected, actual));
}
}