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  package org.apache.cayenne.unit.jira;
  
  import org.apache.cayenne.exp.Expression;
  import org.apache.cayenne.exp.ExpressionFactory;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  
  /**
   */
  public class CAY_10062004_ExpTest {
  
      @Test
      public void testDeepCopy() throws Exception {
  
          Expression parsed = ExpressionFactory.exp("(a = 1 and a = 2) or (a != 1 and a != 2)");
          Expression finalExpression = parsed.deepCopy();
  
          assertEquals(parsed, finalExpression);
          assertEquals(parsed.toString(), finalExpression.toString());
      }
  
      @Test
      public void testAndExpOrExp() throws Exception {
  
          Expression parsed = ExpressionFactory.exp("(a = 1 and a = 2) or (a != 1 and a != 2)");
  
          Expression first = ExpressionFactory.exp("a = 1");
          Expression second = ExpressionFactory.exp("a = 2");
          Expression third = ExpressionFactory.exp("a != 1");
          Expression fourth = ExpressionFactory.exp("a != 2");
  
          // this internally calls "joinExp"
          Expression firstAndSecond = first.andExp(second);
          Expression thirdAndFourth = third.andExp(fourth);
  
          // this internally calls "joinExp"
          Expression finalExpression = firstAndSecond.orExp(thirdAndFourth);
  
          assertEquals(parsed, finalExpression);
          assertEquals(parsed.toString(), finalExpression.toString());
      }
  }
  