<?php

declare(strict_types=1);

namespace PhpOffice\PhpSpreadsheetTests\Calculation\Functions\Statistical;

use PhpOffice\PhpSpreadsheet\Calculation\Statistical;
use PHPUnit\Framework\TestCase;

// TODO Convert to Spreadsheet context.
class ChiTestTest extends TestCase
{
    #[\PHPUnit\Framework\Attributes\DataProvider('providerCHITEST')]
    public function testCHITEST(mixed $expectedResult, mixed $actual, mixed $expected): void
    {
        $result = Statistical\Distributions\ChiSquared::test($actual, $expected);
        self::assertEqualsWithDelta($expectedResult, $result, 1E-12);
    }

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