| /* |
| * 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.samza.metrics; |
| |
| import static org.junit.Assert.*; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| |
| import org.junit.Test; |
| |
| public class TestSnapshot { |
| |
| @Test |
| public void testGetMaxMinAverageSumSize() { |
| Snapshot snapshot = new Snapshot(Arrays.asList(1L, 2L, 3L, 4L, 5L)); |
| assertEquals(5, snapshot.getMax()); |
| assertEquals(1, snapshot.getMin()); |
| assertEquals(3, snapshot.getAverage(), 0); |
| assertEquals(15, snapshot.getSum(), 0); |
| assertEquals(5, snapshot.getSize()); |
| |
| Snapshot emptySnapshot = new Snapshot(new ArrayList<>()); |
| assertEquals(0, emptySnapshot.getMax()); |
| assertEquals(0, emptySnapshot.getMin()); |
| assertEquals(0, emptySnapshot.getAverage(), 0); |
| assertEquals(0, emptySnapshot.getSum(), 0); |
| assertEquals(0, emptySnapshot.getSize()); |
| } |
| } |