/*
    * 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.giraph.reducers.impl;
  
  import org.apache.hadoop.io.LongWritable;
  import org.junit.Assert;
  import org.junit.Test;
  
  public class TestLongXorReduce {
    private LongXorReduce xor = LongXorReduce.INSTANCE;
  
    @Test
    public void testZero() {
      Assert.assertEquals(0b0L, xor.createInitialValue().get());
    }
  
    @Test
    public void testXor() {
      LongWritable curWritable = new LongWritable(0b000L);
  
      Assert.assertEquals(0b001L, xor.reduce(curWritable, new LongWritable(0b001L)).get());
      Assert.assertEquals(0b011L, xor.reduce(curWritable, new LongWritable(0b010L)).get());
      Assert.assertEquals(0b100L, xor.reduce(curWritable, new LongWritable(0b111L)).get());
    }
  }