<?php

use PHPUnit\Framework\TestCase;

require_once 'vendor/autoload.php';

class CalculatorTest extends TestCase {
    private $calculator;

    protected function setUp(): void {
        $this->calculator = new App\Calculator();
    }

    public function testAdd() {
        $this->assertEquals(4, $this->calculator->add(2, 2));
        $this->assertEquals(0, $this->calculator->add(-1, 1));
    }
}