/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.flink.api.common.typeutils.base;
import java.util.Random;
import org.apache.flink.api.common.typeutils.ComparatorTestBase;
import org.apache.flink.api.common.typeutils.TypeComparator;
import org.apache.flink.api.common.typeutils.TypeSerializer;
import org.apache.flink.api.common.typeutils.base.DoubleComparator;
import org.apache.flink.api.common.typeutils.base.DoubleSerializer;
public class DoubleComparatorTest extends ComparatorTestBase<Double> {
@Override
protected TypeComparator<Double> createComparator(boolean ascending) {
return new DoubleComparator(ascending);
}
@Override
protected TypeSerializer<Double> createSerializer() {
return new DoubleSerializer();
}
@Override
protected Double[] getSortedTestData() {
Random rnd = new Random(874597969123412338L);
double rndDouble = rnd.nextDouble();
if (rndDouble < 0) {
rndDouble = -rndDouble;
}
if (rndDouble == Double.MAX_VALUE) {
rndDouble -= 3;
}
if (rndDouble <= 2) {
rndDouble += 3;
}
return new Double[]{
Double.valueOf(-rndDouble),
Double.valueOf(-1.0D),
Double.valueOf(0.0D),
Double.valueOf(2.0D),
Double.valueOf(rndDouble),
Double.valueOf(Double.MAX_VALUE)};
}
}