function StatementTest::testIteratedStatementFetch

Tests statement fetching after a full traversal.

File

core/tests/Drupal/KernelTests/Core/Database/StatementTest.php, line 52

Class

StatementTest

Tests the Statement classes.

Namespace

Code

public function testIteratedStatementFetch() : void {
    $statement = $this->connection
        ->query('SELECT * FROM {test}');
    foreach ($statement as $row) {
        $this->assertNotNull($row);
    }
    $this->assertSame([], $statement->fetchAll());
    $this->assertSame([], $statement->fetchAllKeyed());
    $this->assertSame([], $statement->fetchAllAssoc('age'));
    $this->assertSame([], $statement->fetchCol());
    $this->assertFalse($statement->fetch());
    $this->assertFalse($statement->fetchObject());
    $this->assertFalse($statement->fetchAssoc());
    $this->assertFalse($statement->fetchField());
}