appendIndex example

$this->assertNull($builder->getPropertyPath());
    }

    public function testCreateCopyPath()
    {
        $this->assertEquals(new PropertyPath(self::PREFIX), $this->builder->getPropertyPath());
    }

    public function testAppendIndex()
    {
        $this->builder->appendIndex('new1');

        $path = new PropertyPath(self::PREFIX.'[new1]');

        $this->assertEquals($path, $this->builder->getPropertyPath());
    }

    public function testAppendProperty()
    {
        $this->builder->appendProperty('new1');

        $path = new PropertyPath(self::PREFIX.'.new1');