/**
* @covers ::columns
* @covers ::getColumns
* @covers ::setColumns
* @covers ::clearColumns
*/
public function testColumns()
{
$query = new Query\Insert(self::getDb());
$query->columns(array('posts'));
$expected = new SQL\Columns(array('posts'));
$this->assertEquals($expected, $query->getColumns());
$query->columns(array('col1', 'col2'));
$expected = new SQL\Columns(array('col1', 'col2'));
$this->assertEquals($expected, $query->getColumns());
$query->clearColumns();
$this->assertEmpty($query->getColumns());
$query->setColumns($expected);
$this->assertEquals($expected, $query->getColumns());
}
