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   * Licensed to the Apache Software Foundation (ASF) under one
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   * 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
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   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
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   * See the License for the specific language governing permissions and
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  package org.apache.cassandra.constraints;
  
  import org.junit.Test;
  
  import org.apache.cassandra.cql3.constraints.ColumnConstraint.ConstraintType;
  
  import static org.apache.cassandra.cql3.constraints.ColumnConstraint.ConstraintType.COMPOSED;
  import static org.apache.cassandra.cql3.constraints.ColumnConstraint.ConstraintType.FUNCTION;
  import static org.apache.cassandra.cql3.constraints.ColumnConstraint.ConstraintType.SCALAR;
  import static org.apache.cassandra.cql3.constraints.ColumnConstraint.ConstraintType.UNARY_FUNCTION;
  import static org.junit.Assert.assertEquals;
  
  public class ColumnConstraintsTest
  {
      private static final ConstraintType[] EXPECTED_VALUES = { COMPOSED, FUNCTION, SCALAR, UNARY_FUNCTION };
  
      @Test
      public void testEnumCodesAndNames()
      {
          ConstraintType[] values = ConstraintType.values();
  
          for (int i = 0; i < values.length; i++)
          {
              assertEquals("Column Constraint Serializer mismatch in the enum " + values[i],
                           EXPECTED_VALUES[i].name(), values[i].name());
              assertEquals("Column Constraint Serializer mismatch in the enum for value " + values[i],
                           ConstraintType.getSerializer(EXPECTED_VALUES[i].ordinal()), ConstraintType.getSerializer(i));
          }
  
          assertEquals("Column Constraint Serializer enum constants has changed. Update the test.",
                       EXPECTED_VALUES.length, values.length);
      }
  }
  