endtoend-test-psl/tests/Psl/Math/SqrtTest.php

<?php

declare(strict_types=1);

namespace Psl\Tests\Math;

use PHPUnit\Framework\TestCase;
use Psl\Math;

class SqrtTest extends TestCase
{

    /**
     * @dataProvider provideData
     */
    public function testSqrt(float $expected, float $number): void
    {
        self::assertSame($expected, Math\sqrt($number));
    }

    public function provideData(): array
    {
        return [
            [
                2.23606797749979,
                5.0
            ],

            [
                2.1908902300206643,
                4.8
            ],

            [
                0.6324555320336759,
                0.4
            ],

            [
                2.5495097567963922,
                6.5
            ],

            [
                1.4142135623730951,
                2
            ],

            [
                1,
                1
            ]
        ];
    }
}