/** * @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"); }