public static void ToString_WhenInvoked_ReturnsExpectedValues(string expression, string expectedResult)
{
var column = Mock.Of <IDatabaseColumn>();
const IndexColumnOrder order = IndexColumnOrder.Ascending;
var indexColumn = new PostgreSqlDatabaseIndexColumn(expression, column, order);
var result = indexColumn.ToString();
Assert.That(result, Is.EqualTo(expectedResult));
}
