ExponentialBackOffStrategyTest.java

/*
 * 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
 *
 *   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
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 * under the License.
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package org.apache.streams.util.api.requests.backoff;

import org.apache.streams.util.api.requests.backoff.impl.ExponentialBackOffStrategy;

import org.junit.Test;

import static org.junit.Assert.assertEquals;

/**
 * Unit Test for ExponentialBackOffStrategy.
 */
public class ExponentialBackOffStrategyTest {

  @Test
  public void exponentialTimeBackOffStrategyTest() {
    AbstractBackOffStrategy backOff = new ExponentialBackOffStrategy(1);
    assertEquals(5000, backOff.calculateBackOffTime(1,5));
    assertEquals(25000, backOff.calculateBackOffTime(2,5));
    assertEquals(125000, backOff.calculateBackOffTime(3,5));
    assertEquals(2000, backOff.calculateBackOffTime(1,2));
    assertEquals(16000, backOff.calculateBackOffTime(4,2));
  }

}