问比较值，但考虑到负值

EN

<?php

class RangeTest extends \PHPUnit\Framework\TestCase
{
    /**
     * @param int $balance
     * @param int $total
     * @param bool $expected
     *
     * @dataProvider provideRangeValues
     */
    public function testRange(int $balance, int $total, bool $expected)
    {
        $this->assertEquals((($total / abs($total)) * ($total - $balance) >= 0), $expected);
    }

    public function provideRangeValues()
    {
        return
            [
                'Positive Balance = Positive Total' => [10, 10, true],
                'Positive Balance < Positive Total' => [5, 10, true],
                'Positive Balance > Positive Total' => [10, 5, false],
                'Negative Balance = Negative Total' => [-10, -10, true],
                'Negative Balance < Negative Total' => [-5, -10, true],
                'Negative Balance > Negative Total' => [-10, -5, false],
            ];
    }
}