<?php namespace App\Tests\Unit\Helpers; use App\Tests\TestCase; use PHPUnit\Framework\Attributes\DataProvider; class IsDigitTest extends TestCase { /** * Test the is_digit helper. */ #[DataProvider('helperDataProvider')] public function test_helper($value, $response): void { $this->assertSame($response, is_digit($value)); } /** * Provide data to test against the helper function. */ public static function helperDataProvider(): array { return [ [true, false], [false, false], [12.3, false], ['12.3', false], ['string', false], [-1, false], ['-1', false], [1, true], [0, true], [12345, true], ['12345', true], ['true', false], ['false', false], ['123_test', false], ['123.test', false], ['123test', false], ['test123', false], ['0x00000003', false], [00000011, true], ['00000011', true], ['AD9C', false], ]; } }