| /* |
| * 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.beam.sdk.extensions.euphoria.core.client.util; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.util.stream.Stream; |
| import org.apache.beam.sdk.extensions.euphoria.core.client.operator.ReduceByKey; |
| import org.junit.Test; |
| |
| /** Test suite for @{link Sums}. */ |
| public class SumsTest { |
| |
| @Test |
| public void testSumOfInts() { |
| assertEquals(6, (int) apply(Stream.of(1, 2, 3), Sums.ofInts())); |
| } |
| |
| @Test |
| public void testSumOfLongs() { |
| assertEquals(6L, (long) apply(Stream.of(1L, 2L, 3L), Sums.ofLongs())); |
| } |
| |
| @Test |
| public void testSumOfFloats() { |
| assertEquals(6f, (float) apply(Stream.of(1f, 2f, 3f), Sums.ofFloats()), 0.001); |
| } |
| |
| @Test |
| public void testSumOfDoubles() { |
| assertEquals(6.0, (double) apply(Stream.of(1.0, 2.0, 3.0), Sums.ofDoubles()), 0.001); |
| } |
| |
| private <T> T apply(Stream<T> stream, ReduceByKey.CombineFunctionWithIdentity<T> fn) { |
| return stream.reduce(fn.identity(), fn::apply); |
| } |
| } |