content: /*
   * 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.service;
  
  import org.apache.cassandra.config.DatabaseDescriptor;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.BeforeClass;
  import org.junit.Test;
  
  public class GCInspectorTest
  {
      
      GCInspector gcInspector;
      
      @BeforeClass
      public static void setupDatabaseDescriptor()
      {
          DatabaseDescriptor.daemonInitialization();
      }
      
      @Before
      public void before()
      {
          gcInspector = new GCInspector();
      }
      
      @Test
      public void ensureStaticFieldsHydrateFromConfig()
      {    
          Assert.assertEquals(DatabaseDescriptor.getGCLogThreshold(), gcInspector.getGcLogThresholdInMs());
          Assert.assertEquals(DatabaseDescriptor.getGCWarnThreshold(), gcInspector.getGcWarnThresholdInMs());
      }
      
      @Test
      public void ensureStatusIsCalculated()
      {
          Assert.assertTrue(gcInspector.getStatusThresholdInMs() > 0);
      }
      
      @Test(expected=IllegalArgumentException.class)
      public void ensureWarnGreaterThanLog()
      {
          gcInspector.setGcWarnThresholdInMs(gcInspector.getGcLogThresholdInMs());
      }
      
      @Test
      public void ensureZeroIsOk()
      {
          gcInspector.setGcWarnThresholdInMs(0);
          Assert.assertEquals(gcInspector.getStatusThresholdInMs(), gcInspector.getGcLogThresholdInMs());
          Assert.assertEquals(0, DatabaseDescriptor.getGCWarnThreshold());
          Assert.assertEquals(200, DatabaseDescriptor.getGCLogThreshold());
      }
      
      @Test(expected=IllegalArgumentException.class)
      public void ensureLogLessThanWarn()
      {
          Assert.assertEquals(200, gcInspector.getGcLogThresholdInMs());
          gcInspector.setGcWarnThresholdInMs(1000);
          Assert.assertEquals(1000, gcInspector.getGcWarnThresholdInMs());
          gcInspector.setGcLogThresholdInMs(gcInspector.getGcWarnThresholdInMs() + 1);
      }
      
      @Test
      public void testDefaults()
      {
          gcInspector.setGcLogThresholdInMs(200);
          gcInspector.setGcWarnThresholdInMs(1000);
          Assert.assertEquals(200, DatabaseDescriptor.getGCLogThreshold());
          Assert.assertEquals(200, gcInspector.getGcLogThresholdInMs());
          Assert.assertEquals(1000, DatabaseDescriptor.getGCWarnThreshold());
          Assert.assertEquals(1000, gcInspector.getGcWarnThresholdInMs());
      }
  
      @Test(expected=IllegalArgumentException.class)
      public void testMaxValue()
      {
          gcInspector.setGcLogThresholdInMs(200);
          gcInspector.setGcWarnThresholdInMs(Integer.MAX_VALUE+1L);
      }
  }
  