<?php

require_once 'src/Simple.php';

use PHPUnit\Framework\TestCase;

class SimpleTest extends TestCase
{
    public function testAdd()
    {
        $simple = new Simple();
        $result = $simple->add(2, 3);
        $this->assertEquals(5, $result);
    }

    public function testSubtractFail()
    {
        $simple = new Simple();
        $result = $simple->subtract(4, 2);
        // 2 is the right result, therefore I chose not 2.
        $this->assertEquals(1, $result);
    }

    public function testSubtract()
    {
        $simple = new Simple();
        $result = $simple->subtract(3, 2);
        $this->assertEquals(1, $result);
    }
}

?>