/*
* Copyright 1999-2015 dangdang.com.
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* </p>
*/
package com.dangdang.ddframe.rdb.sharding.merger.pipeline.coupling.aggregation;
import org.junit.Test;
import java.util.Collections;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
public final class ComparableAggregationUnitTest {
@Test
public void assertComparableAggregationForAsc() {
ComparableAggregationUnit comparableAggregation = new ComparableAggregationUnit(true);
comparableAggregation.merge(null);
comparableAggregation.merge(Collections.<Comparable<?>>singletonList(null));
comparableAggregation.merge(Collections.<Comparable<?>>singletonList(1));
comparableAggregation.merge(Collections.<Comparable<?>>singletonList(10));
comparableAggregation.merge(Collections.<Comparable<?>>singletonList(5));
assertThat((Integer) comparableAggregation.getResult(), is(1));
}
@Test
public void assertComparableAggregationForDesc() {
ComparableAggregationUnit comparableAggregation = new ComparableAggregationUnit(false);
comparableAggregation.merge(null);
comparableAggregation.merge(Collections.<Comparable<?>>singletonList(null));
comparableAggregation.merge(Collections.<Comparable<?>>singletonList(1));
comparableAggregation.merge(Collections.<Comparable<?>>singletonList(10));
comparableAggregation.merge(Collections.<Comparable<?>>singletonList(5));
assertThat((Integer) comparableAggregation.getResult(), is(10));
}
}