[1, 3, '1'], 'negative numeric text counts' => [-27, 10, 7, -9, '-27', 2], 'TRUE counts as 1' => [1, 3, true], 'FALSE counts as 0' => [0, 3, false], 'non-numeric text is an error' => ['#VALUE!', 3, 'a'], 'empty text is an error' => ['#VALUE!', 600000, ''], ];