| /* |
| * Copyright 2017 HugeGraph Authors |
| * |
| * 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 com.baidu.hugegraph.computer.core.combiner; |
| |
| import org.junit.Test; |
| |
| import com.baidu.hugegraph.computer.core.graph.value.LongValue; |
| import com.baidu.hugegraph.testutil.Assert; |
| |
| public class LongValueSumCombinerTest { |
| |
| @Test |
| public void testCombine() { |
| LongValue sum = new LongValue(0L); |
| LongValueSumCombiner combiner = new LongValueSumCombiner(); |
| for (int i = 1; i <= 10; i++) { |
| LongValue value = new LongValue(i); |
| combiner.combine(sum, value, sum); |
| } |
| Assert.assertEquals(55L, sum.value()); |
| } |
| |
| @Test |
| public void testCombineNull() { |
| LongValue value1 = new LongValue(1L); |
| LongValue value2 = new LongValue(2L); |
| LongValueSumCombiner combiner = new LongValueSumCombiner(); |
| Assert.assertThrows(IllegalArgumentException.class, () -> { |
| combiner.combine(null, value2, value2); |
| }, e -> { |
| Assert.assertEquals("The combine parameter v1 can't be null", |
| e.getMessage()); |
| }); |
| |
| Assert.assertThrows(IllegalArgumentException.class, () -> { |
| combiner.combine(value1, null, value2); |
| }, e -> { |
| Assert.assertEquals("The combine parameter v2 can't be null", |
| e.getMessage()); |
| }); |
| |
| Assert.assertThrows(IllegalArgumentException.class, () -> { |
| combiner.combine(value1, value2, null); |
| }, e -> { |
| Assert.assertEquals("The combine parameter result can't be null", |
| e.getMessage()); |
| }); |
| } |
| } |