public function testEmptySearch()
{
$this->request = new Request(['draw' => 13, 'start' => 11, 'length' => 103, 'search' => ['value' => '', 'regex' => true], 'order' => [0 => ['column' => 0, 'dir' => 'asc']], 'columns' => [0 => ['search' => ['value' => '', 'regex' => true]]]]);
$this->parser = new Datatable110QueryParser($this->request);
$column = ColumnConfigurationBuilder::create()->name("id")->build();
$conf = $this->parser->parse($this->request, [$column]);
// assert column order
$this->assertFalse($conf->isGlobalSearch());
$this->assertCount(0, $conf->searchColumns());
$this->assertFalse($conf->isColumnSearch());
}