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/*
* SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.query.viatra.internal.cardinality;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import tools.refinery.store.representation.cardinality.UpperCardinalities;
import tools.refinery.store.representation.cardinality.UpperCardinality;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
class UpperCardinalitySumAggregationOperatorTest {
private UpperCardinalitySumAggregationOperator.Accumulator accumulator;
@BeforeEach
void beforeEach() {
accumulator = UpperCardinalitySumAggregationOperator.INSTANCE.createNeutral();
}
@Test
void emptyAggregationTest() {
assertResult(UpperCardinality.of(0));
}
@Test
void singleBoundedTest() {
insert(UpperCardinality.of(3));
assertResult(UpperCardinality.of(3));
}
@Test
void multipleBoundedTest() {
insert(UpperCardinality.of(2));
insert(UpperCardinality.of(3));
assertResult(UpperCardinality.of(5));
}
@Test
void singleUnboundedTest() {
insert(UpperCardinalities.UNBOUNDED);
assertResult(UpperCardinalities.UNBOUNDED);
}
@Test
void multipleUnboundedTest() {
insert(UpperCardinalities.UNBOUNDED);
insert(UpperCardinalities.UNBOUNDED);
assertResult(UpperCardinalities.UNBOUNDED);
}
@Test
void removeBoundedTest() {
insert(UpperCardinality.of(2));
insert(UpperCardinality.of(3));
remove(UpperCardinality.of(2));
assertResult(UpperCardinality.of(3));
}
@Test
void removeAllUnboundedTest() {
insert(UpperCardinalities.UNBOUNDED);
insert(UpperCardinality.of(3));
remove(UpperCardinalities.UNBOUNDED);
assertResult(UpperCardinality.of(3));
}
@Test
void removeSomeUnboundedTest() {
insert(UpperCardinalities.UNBOUNDED);
insert(UpperCardinalities.UNBOUNDED);
insert(UpperCardinality.of(3));
remove(UpperCardinalities.UNBOUNDED);
assertResult(UpperCardinalities.UNBOUNDED);
}
private void insert(UpperCardinality value) {
accumulator = UpperCardinalitySumAggregationOperator.INSTANCE.update(accumulator, value, true);
}
private void remove(UpperCardinality value) {
accumulator = UpperCardinalitySumAggregationOperator.INSTANCE.update(accumulator, value, false);
}
private void assertResult(UpperCardinality expected) {
var result = UpperCardinalitySumAggregationOperator.INSTANCE.getAggregate(accumulator);
assertThat(result, equalTo(expected));
}
}
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