/**
* @covers DataBase::fetchField
*/
public function testFetchField()
{
$value = $this->db->fetchField("SELECT name FROM test WHERE id = ?", array(1));
$this->assertEquals('value 1', $value);
$v1 = $this->db->fetchField("SELECT id, name FROM test ORDER BY id");
$this->assertEquals(1, $v1);
for ($i = 2; $i <= 3; $i++) {
$this->assertEquals($i, $this->db->fetchField());
}
$this->assertEmpty($this->db->fetchField());
$this->assertEmpty($this->db->fetchField("SELECT id, name FROM test WHERE id = -1"), 'Resulado vazio');
}
