/** * 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.hadoop.metrics; import org.apache.hadoop.metrics.util.MetricsRegistry; import org.apache.hadoop.metrics.util.MetricsTimeVaryingRate; import static org.junit.Assert.*; import org.junit.Test; public class TestTimeVaryingMetricsMinMax { @Test public void testBasic() throws Exception { MetricsRegistry mr = new MetricsRegistry(); MetricsTimeVaryingRate metric = new MetricsTimeVaryingRate("test", mr); metric.inc(1, 10); MetricsContext context = MetricsUtil.getContext("test"); MetricsRecord metricsRecord = MetricsUtil.createRecord(context, "test"); metric.pushMetric(metricsRecord); assertEquals(10, metric.getMaxTime()); } }