Neos\Eel\Tests\Unit\MathHelperTest::roundWorks PHP Метод

    public function roundWorks($value, $precision, $expected)
    {
        $helper = new MathHelper();
        $result = $helper->round($value, $precision);
        if ($expected === static::NAN) {
            $this->assertTrue(is_nan($result), 'Expected NAN');
        } else {
            $this->assertEquals($expected, $result, 'Rounded value did not match', 0.0001);
        }
    }