/**
* Tests the JDatabaseQuery::columns method.
*
* @return void
*
* @since 11.3
*/
public function testColumns()
{
$this->assertThat($this->_instance->columns('foo'), $this->identicalTo($this->_instance), 'Tests chaining.');
$this->assertThat(trim(TestReflection::getValue($this->_instance, 'columns')), $this->equalTo('(foo)'), 'Tests rendered value.');
// Add another column.
$this->_instance->columns('bar');
$this->assertThat(trim(TestReflection::getValue($this->_instance, 'columns')), $this->equalTo('(foo,bar)'), 'Tests rendered value after second use.');
}
