@Override
  @Test
  public void getConfirmationMessage() throws Exception {
    AlterSequenceChange refactoring = new AlterSequenceChange();
    refactoring.setSequenceName("SEQ_NAME");

    assertEquals("Sequence SEQ_NAME altered", refactoring.getConfirmationMessage());
  }
  @Override
  @Test
  public void generateStatement() throws Exception {
    AlterSequenceChange refactoring = new AlterSequenceChange();
    refactoring.setSchemaName("SCHEMA_NAME");
    refactoring.setSequenceName("SEQ_NAME");
    refactoring.setMinValue(new BigInteger("100"));
    refactoring.setMaxValue(new BigInteger("1000"));
    refactoring.setIncrementBy(new BigInteger("50"));
    refactoring.setOrdered(true);

    SqlStatement[] sqlStatements = refactoring.generateStatements(new MockDatabase());

    assertEquals(1, sqlStatements.length);
    assertTrue(sqlStatements[0] instanceof AlterSequenceStatement);
    assertEquals("SCHEMA_NAME", ((AlterSequenceStatement) sqlStatements[0]).getSchemaName());
    assertEquals("SEQ_NAME", ((AlterSequenceStatement) sqlStatements[0]).getSequenceName());
    assertEquals(new BigInteger("100"), ((AlterSequenceStatement) sqlStatements[0]).getMinValue());
    assertEquals(new BigInteger("1000"), ((AlterSequenceStatement) sqlStatements[0]).getMaxValue());
    assertEquals(
        new BigInteger("50"), ((AlterSequenceStatement) sqlStatements[0]).getIncrementBy());
    assertEquals(true, ((AlterSequenceStatement) sqlStatements[0]).getOrdered());
  }