Functional test for #2028

GH2028Test.php

<?php

namespace Doctrine\ODM\MongoDB\Tests\Functional\Ticket;

use Doctrine\ODM\MongoDB\Mapping\Annotations as ODM;
use Doctrine\ODM\MongoDB\Tests\BaseTest;

class GH2028Test extends BaseTest
{
    public function testStoreHashWithIntKeys()
    {
        $document = new GH2028Document();
        $document->hash = [
            'foo' => 'bar',
            123 => 'baz',
            '456' => 'foo',
        ];

        $this->dm->persist($document);
        $this->dm->flush();
        $this->dm->clear();

        $document = $this->dm->find(GH2028Document::class, $document->id);

        self::assertSame([
            'foo' => 'bar',
            123 => 'baz',
            '456' => 'foo',
        ], $document->hash);
    }
}

/** @ODM\Document */
class GH2028Document
{
    /** @ODM\Id */
    public $id;

    /** @ODM\Field(type="hash") */
    public $hash;
}