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Filename : AuthorCollectionTest.php
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<?php
/*
 * This file is part of PharIo\Manifest.
 *
 * (c) Arne Blankerts <arne@blankerts.de>, Sebastian Heuer <sebastian@phpeople.de>, Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace PharIo\Manifest;

use PHPUnit\Framework\TestCase;

/**
 * @covers \PharIo\Manifest\AuthorCollection
 * @covers \PharIo\Manifest\AuthorCollectionIterator
 *
 * @uses \PharIo\Manifest\Author
 * @uses \PharIo\Manifest\Email
 */
class AuthorCollectionTest extends TestCase {
    /**
     * @var AuthorCollection
     */
    private $collection;

    /**
     * @var Author
     */
    private $item;

    protected function setUp() {
        $this->collection = new AuthorCollection;
        $this->item       = new Author('Joe Developer', new Email('user@example.com'));
    }

    public function testCanBeCreated() {
        $this->assertInstanceOf(AuthorCollection::class, $this->collection);
    }

    public function testCanBeCounted() {
        $this->collection->add($this->item);

        $this->assertCount(1, $this->collection);
    }

    public function testCanBeIterated() {
        $this->collection->add(
            new Author('Dummy First', new Email('dummy@example.com'))
        );
        $this->collection->add($this->item);
        $this->assertContains($this->item, $this->collection);
    }

    public function testKeyPositionCanBeRetreived() {
        $this->collection->add($this->item);
        foreach($this->collection as $key => $item) {
            $this->assertEquals(0, $key);
        }
    }
}