/*
* 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.cassandra.metrics;
import org.junit.Test;
import static junit.framework.Assert.assertFalse;
public class LatencyMetricsTest
{
/**
* Test bitsets in a "real-world" environment, i.e., bloom filters
*/
@Test
public void testGetRecentLatency()
{
final LatencyMetrics l = new LatencyMetrics("test", "test");
Runnable r = new Runnable()
{
public void run()
{
for (int i = 0; i < 10000; i++)
{
l.addNano(1000);
}
}
};
new Thread(r).start();
for (int i = 0; i < 10000; i++)
{
Double recent = l.latency.getOneMinuteRate();
assertFalse(recent.equals(Double.POSITIVE_INFINITY));
}
}
}