/*
    * ====================================================================
    * 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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
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   */
  package org.apache.http.pool;
  
  import java.io.IOException;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.http.HttpConnection;
  import org.junit.Assert;
  import org.junit.Test;
  import org.mockito.Mockito;
  
  public class TestPoolEntry {
  
      static class MockPoolEntry extends PoolEntry<String, HttpConnection> {
  
          public MockPoolEntry(final String route,
                  final long timeToLive, final TimeUnit timeUnit) {
              super(null, route, Mockito.mock(HttpConnection.class), timeToLive, timeUnit);
          }
  
          public MockPoolEntry(final String route, final HttpConnection conn,
                  final long timeToLive, final TimeUnit timeUnit) {
              super(null, route, conn, timeToLive, timeUnit);
          }
  
          @Override
          public void close() {
              try {
                  getConnection().close();
              } catch (final IOException ignore) {
              }
          }
  
          @Override
          public boolean isClosed() {
              return !getConnection().isOpen();
          }
  
      }
  
      @Test
      public void testBasics() throws Exception {
          final MockPoolEntry entry1 = new MockPoolEntry("route1", 10L, TimeUnit.MILLISECONDS);
          final long now = System.currentTimeMillis();
          Assert.assertEquals("route1", entry1.getRoute());
          Assert.assertTrue(now >= entry1.getCreated());
          Assert.assertEquals(entry1.getValidityDeadline(), entry1.getExpiry());
          Assert.assertEquals(entry1.getCreated() + 10L, entry1.getValidityDeadline());
      }
  
      @Test
      public void testInvalidConstruction() throws Exception {
          try {
              new MockPoolEntry(null, Mockito.mock(HttpConnection.class), 0L, TimeUnit.MILLISECONDS);
              Assert.fail("IllegalArgumentException should have been thrown");
          } catch (final IllegalArgumentException expected) {
          }
          try {
              new MockPoolEntry("stuff", null, 0L, TimeUnit.MILLISECONDS);
              Assert.fail("IllegalArgumentException should have been thrown");
          } catch (final IllegalArgumentException expected) {
          }
          try {
              new MockPoolEntry("stuff", Mockito.mock(HttpConnection.class), 0L, null);
              Assert.fail("IllegalArgumentException should have been thrown");
          } catch (final IllegalArgumentException expected) {
          }
      }
  
      @Test
      public void testValidInfinitely() throws Exception {
          final MockPoolEntry entry1 = new MockPoolEntry("route1", 0L, TimeUnit.MILLISECONDS);
          Assert.assertEquals(Long.MAX_VALUE, entry1.getValidityDeadline());
          Assert.assertEquals(entry1.getValidityDeadline(), entry1.getExpiry());
     }
 
     @Test
     public void testExpiry() throws Exception {
         final MockPoolEntry entry1 = new MockPoolEntry("route1", 0L, TimeUnit.MILLISECONDS);
         Assert.assertEquals(Long.MAX_VALUE, entry1.getExpiry());
         entry1.updateExpiry(50L, TimeUnit.MILLISECONDS);
         Assert.assertEquals(entry1.getUpdated() + 50L, entry1.getExpiry());
         entry1.updateExpiry(0L, TimeUnit.MILLISECONDS);
         Assert.assertEquals(Long.MAX_VALUE, entry1.getExpiry());
 
         final MockPoolEntry entry2 = new MockPoolEntry("route1", 100L, TimeUnit.MILLISECONDS);
         Assert.assertEquals(entry2.getCreated() + 100L, entry2.getExpiry());
         entry2.updateExpiry(150L, TimeUnit.MILLISECONDS);
         Assert.assertEquals(entry2.getCreated() + 100L, entry2.getExpiry());
         entry2.updateExpiry(50L, TimeUnit.MILLISECONDS);
         Assert.assertEquals(entry2.getUpdated() + 50L, entry2.getExpiry());
     }
 
     @Test(expected=IllegalArgumentException.class)
     public void testInvalidExpiry() throws Exception {
         final MockPoolEntry entry1 = new MockPoolEntry("route1", 0L, TimeUnit.MILLISECONDS);
         entry1.updateExpiry(50L, null);
     }
 
     @Test
     public void testExpiryDoesNotOverflow() {
         final MockPoolEntry entry = new MockPoolEntry("route1", Long.MAX_VALUE, TimeUnit.MILLISECONDS);
         Assert.assertEquals(entry.getValidityDeadline(), Long.MAX_VALUE);
     }
 
 }