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.camel.component.wal;
  
  import org.junit.jupiter.api.DisplayName;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class TransactionLogTest {
      @DisplayName("Tests that can update records on the same layer")
      @Test
      void testCanUpdateSameLayer() {
          assertTrue(TransactionLog.canUpdate(0, 10, 0, 1));
          assertTrue(TransactionLog.canUpdate(0, 10, 0, 10));
          assertFalse(TransactionLog.canUpdate(0, 10, 0, 11));
      }
  
      @DisplayName("Tests that prevent updating a record that has been rolled-over")
      @Test
      void testCannotUpdateRolledOverRecord() {
          assertFalse(TransactionLog.canUpdate(1, 3, 0, 1));
          assertFalse(TransactionLog.canUpdate(1, 3, 0, 3));
      }
  
      @DisplayName("Tests that can update records after a roll-over has started")
      @Test
      void testCanUpdateDifferentLayerWithRollOver() {
          assertTrue(TransactionLog.canUpdate(1, 10, 0, 11));
          assertTrue(TransactionLog.canUpdate(1, 10, 1, 10));
          assertFalse(TransactionLog.canUpdate(1, 10, 0, 10));
      }
  }
  