Package org.apache.flink.api.common.typeutils.base

Source Code of org.apache.flink.api.common.typeutils.base.IntComparatorTest

/*
* 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.IntComparator;
import org.apache.flink.api.common.typeutils.base.IntSerializer;

public class IntComparatorTest extends ComparatorTestBase<Integer> {

  @Override
  protected TypeComparator<Integer> createComparator(boolean ascending) {
    return new IntComparator(ascending);
  }

  @Override
  protected TypeSerializer<Integer> createSerializer() {
    return new IntSerializer();
  }

  @Override
  protected Integer[] getSortedTestData() {

    Random rnd = new Random(874597969123412338L);
    int rndInt = rnd.nextInt();
    if (rndInt < 0) {
      rndInt = -rndInt;
    }
    if (rndInt == Integer.MAX_VALUE) {
      rndInt -= 3;
    }
    if (rndInt <= 2) {
      rndInt += 3;
    }
    return new Integer[]{
      new Integer(Integer.MIN_VALUE),
      new Integer(-rndInt),
      new Integer(-1),
      new Integer(0),
      new Integer(1),
      new Integer(2),
      new Integer(rndInt),
      new Integer(Integer.MAX_VALUE)};
  }
}
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