PhpSpreadsheet/tests/PhpSpreadsheetTests/Calculation/Functions/Statistical/NormSInvTest.php

<?php

declare(strict_types=1);

namespace PhpOffice\PhpSpreadsheetTests\Calculation\Functions\Statistical;

use PhpOffice\PhpSpreadsheet\Calculation\Calculation;

class NormSInvTest extends AllSetupTeardown
{
    #[\PHPUnit\Framework\Attributes\DataProvider('providerNORMSINV')]
    public function testNORMSINV(mixed $expectedResult, mixed ...$args): void
    {
        $this->runTestCases('NORMSINV', $expectedResult, ...$args);
    }

    public static function providerNORMSINV(): array
    {
        return require 'tests/data/Calculation/Statistical/NORMSINV.php';
    }

    #[\PHPUnit\Framework\Attributes\DataProvider('providerNormSInvArray')]
    public function testNormSInvArray(array $expectedResult, string $probabilities): void
    {
        $calculation = Calculation::getInstance();

        $formula = "=NORMSINV({$probabilities})";
        $result = $calculation->calculateFormula($formula);
        self::assertEqualsWithDelta($expectedResult, $result, 1.0e-14);
    }

    public static function providerNormSInvArray(): array
    {
        return [
            'row/column vectors' => [
                [
                    ['#NUM!', -1.959963986120195],
                    [-0.3853204662702544, 0.6744897502234225],
                ],
                '{-0.75, 0.025; 0.35, 0.75}',
            ],
        ];
    }
}