setget test

DocumentTest.php

    public function testSetGet()
    {
        $d = new Document;
        $d->foo[] = 'bar';
        $this->assertEquals(['bar'], $d->foo);

        $d->bar = 'baz';

        $test = $d->bar;
        $test = 'foo';
        $this->assertEquals('baz', $d->bar);
        $this->assertEquals('foo', $test);
    }