PhpOffice\PhpPresentation\Shape\Chart\Marker::setSize PHP Method

    public function setSize($size = 5)
    {
        $this->size = $size;
        return $this;
    }

 public function testSize()
 {
     $object = new Marker();
     $value = rand(1, 100);
     $this->assertInstanceOf('PhpOffice\\PhpPresentation\\Shape\\Chart\\Marker', $object->setSize($value));
     $this->assertEquals($value, $object->getSize());
 }