assertEquals(2, table.getUniqueConstraints().size());
Iterator<JpaUniqueConstraint> constraintsIt = table
.getUniqueConstraints()
.iterator();
JpaUniqueConstraint c1 = constraintsIt.next();
assertEquals(2, c1.getColumnNames().size());
assertTrue(c1.getColumnNames().contains("column1"));
assertTrue(c1.getColumnNames().contains("column2"));
JpaUniqueConstraint c2 = constraintsIt.next();
assertEquals(1, c2.getColumnNames().size());
assertTrue(c2.getColumnNames().contains("column3"));
}