/**
* @covers DatabaseSqlite::numFields
*/
public function testNumFields()
{
$db = new DatabaseSqliteStandalone(':memory:');
$databaseCreation = $db->query('CREATE TABLE a ( a_1 )', __METHOD__);
$this->assertInstanceOf('ResultWrapper', $databaseCreation, "Failed to create table a");
$res = $db->select('a', '*');
$this->assertEquals(0, $db->numFields($res), "expects to get 0 fields for an empty table");
$insertion = $db->insert('a', array('a_1' => 10), __METHOD__);
$this->assertTrue($insertion, "Insertion failed");
$res = $db->select('a', '*');
$this->assertEquals(1, $db->numFields($res), "wrong number of fields");
$this->assertTrue($db->close(), "closing database");
}
