/*
 * 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());
  }
}
