<?php

use PHPUnit\Framework\TestCase;

require_once __DIR__ . "/countthedivisors.php";

class TestDivisorsCase extends TestCase {
  public function testCountTheDivisors() {
    $checks = [
      [1, 1], // 1
      [4, 3], // 1, 2, 4
      [12, 6], // 1, 2, 3, 4, 6, 12
      [30, 8], // 1, 2, 3, 5, 6, 10, 15, 30
      [500000, 42],
    ];

    foreach ($checks as $check) {
      $expected = $check[1];
      $actual = divisors($check[0]);
      $this->assertEquals($expected, $actual, $check[0]);
    }
  }
}