<?php
/*
 * This file is part of PHPUnit.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
use PHPUnit\Framework\TestCase;

class StackTest extends TestCase
{
    public function testPush()
    {
        $stack = [];
        $this->assertCount(0, $stack);

        $stack[] = 'foo';
        $this->assertEquals('foo', \end($stack));
        $this->assertCount(1, $stack);

        return $stack;
    }

    /**
     * @depends testPush
     */
    public function testPop(array $stack): void
    {
        $this->assertEquals('foo', \array_pop($stack));
        $this->assertCount(0, $stack);
    }
}