1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 package org.apache.giraph.reducers.impl; 20 21 import org.apache.hadoop.io.LongWritable; 22 import org.junit.Assert; 23 import org.junit.Test; 24 25 public class TestLongXorReduce { 26 private LongXorReduce xor = LongXorReduce.INSTANCE; 27 28 @Test 29 public void testZero() { 30 Assert.assertEquals(0b0L, xor.createInitialValue().get()); 31 } 32 33 @Test 34 public void testXor() { 35 LongWritable curWritable = new LongWritable(0b000L); 36 37 Assert.assertEquals(0b001L, xor.reduce(curWritable, new LongWritable(0b001L)).get()); 38 Assert.assertEquals(0b011L, xor.reduce(curWritable, new LongWritable(0b010L)).get()); 39 Assert.assertEquals(0b100L, xor.reduce(curWritable, new LongWritable(0b111L)).get()); 40 } 41 }