ElementListTest.php

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<?php

namespace Sabre\VObject;

use PHPUnit\Framework\TestCase;

class ElementListTest extends TestCase {

    function testIterate() {

        $cal = new Component\VCalendar();
        $sub = $cal->createComponent('VEVENT');

        $elems = [
            $sub,
            clone $sub,
            clone $sub
        ];

        $elemList = new ElementList($elems);

        $count = 0;
        foreach ($elemList as $key => $subcomponent) {

           $count++;
           $this->assertInstanceOf('Sabre\\VObject\\Component', $subcomponent);

        }
        $this->assertEquals(3, $count);
        $this->assertEquals(2, $key);

    }


}