MapIteratorTest.php

<?php

declare(strict_types=1);

/*
 Copyright (C) 2006-2018 David Négrier - THE CODING MACHINE

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

namespace TheCodingMachine\TDBM;

use ArrayIterator;
use IteratorAggregate;
use PHPUnit\Framework\TestCase;

class MapIteratorTest extends TestCase
{
    public function testIteratorAggregate(): void
    {
        $mapIterator = new MapIterator(new class () implements IteratorAggregate {
            public $property1 = "Public property one";
            public $property2 = "Public property two";
            public $property3 = "Public property three";

            public function getIterator()
            {
                return new ArrayIterator($this);
            }
        }, function ($item) {
            return $item;
        });

        self::assertCount(3, $mapIterator);
    }

    public function testConstructorException1(): void
    {
        $this->expectException('TheCodingMachine\TDBM\TDBMException');
        $mapIterator = new MapIterator(new \DateTime(), function ($item) {
            return $item;
        });
    }

    public function testConstructorException2(): void
    {
        $this->expectException('TheCodingMachine\TDBM\TDBMException');
        $mapIterator = new MapIterator(array(1, 2, 3), function () {
            return $item;
        });
    }

    public function testJsonSerialize(): void
    {
        $value = array(1, 2, 3);
        $mapIterator = new MapIterator($value, function ($item) {
            return $item;
        });

        $this->assertEquals($value, json_decode(json_encode($mapIterator), true));
    }
}