<?php
namespace Digraph\DataObject\Tests\DataTransformers;

use PHPUnit\Framework\TestCase;
use Digraph\DataObject\DataTransformers\JSON;

class JSONTest extends TestCase
{
    public function testJSON()
    {
        $o = 'foo';
        $h = new JSON($o);
        $pre = $h->getStorageValue();
        $this->assertEquals('[]', $pre);
        $h['foo'] = 'bar';
        $post = $h->getStorageValue();
        $this->assertEquals(1, preg_match('/\{["\']foo["\']:["\']bar["\']\}/', $post));
        unset($h['foo']);
        $unset = $h->getStorageValue();
        $this->assertEquals('[]', $unset);
    }
}