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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.predicate.optimization;
import com.yahoo.document.predicate.Predicate;
import org.junit.jupiter.api.Test;
import static com.yahoo.document.predicate.Predicates.and;
import static com.yahoo.document.predicate.Predicates.feature;
import static com.yahoo.document.predicate.Predicates.or;
import static org.junit.jupiter.api.Assertions.assertEquals;
/**
* @author <a href="mailto:magnarn@yahoo-inc.com">Magnar Nedland</a>
*/
public class NotNodeReordererTest {
@Test
void requireThatNotChildrenAreMovedAwayFromLastAndChild() {
checkReorder(
and(feature("a").inSet("b"), feature("c").notInSet("d")),
and(feature("c").notInSet("d"), feature("a").inSet("b")));
checkReorder(
and(feature("a").inSet("b"), feature("c").notInSet("d"), feature("e").notInSet("f")),
and(feature("c").notInSet("d"), feature("e").notInSet("f"), feature("a").inSet("b")));
}
@Test
void requireThatNotChildrenAreMovedToLastOrChild() {
checkReorder(
or(feature("c").notInSet("d"), feature("a").inSet("b")),
or(feature("a").inSet("b"), feature("c").notInSet("d")));
checkReorder(
or(feature("c").notInSet("d"), feature("e").notInSet("f"), feature("a").inSet("b")),
or(feature("a").inSet("b"), feature("c").notInSet("d"), feature("e").notInSet("f")));
}
@Test
void requireThatComplexReorderingWork() {
checkReorder(and(feature("g").inSet("h"),
or(and(feature("a").notInSet("b"),
feature("c").notInSet("d")),
feature("e").inSet("f"))),
and(or(feature("e").inSet("f"),
and(feature("a").notInSet("b"),
feature("c").notInSet("d"))),
feature("g").inSet("h")));
}
private static void checkReorder(Predicate input, Predicate expected) {
NotNodeReorderer reorderer = new NotNodeReorderer();
Predicate actual = reorderer.process(input, new PredicateOptions(10));
assertEquals(expected, actual);
}
}
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