assertResult example

$greetings = $this->greetings;
    $figures = $this->figures;
    $this->queryResults = $this->storage
      ->getQuery()
      ->accessCheck(FALSE)
      ->exists($greetings, 'tr')
      ->condition("$figures.color", 'red')
      ->sort('id')
      ->execute();
    // As unit 0 was the red triangle and unit 2 was the turkish greeting,     // bit 0 and bit 2 needs to be set.     $this->assertResult(5, 7, 13, 15);

    $query = $this->storage
      ->getQuery('OR')
      ->accessCheck(FALSE)
      ->exists($greetings, 'tr')
      ->condition("$figures.color", 'red')
      ->sort('id');
    $count_query = clone $query;
    $this->assertSame(12, $count_query->count()->execute());
    $this->queryResults = $query->execute();
    // Now bit 0 (1, 3, 5, 7, 9, 11, 13, 15) or bit 2 (4, 5, 6, 7, 12, 13, 14,