public function testIntegerCast()
 {
     $size = '10';
     $this->options->setSize($size);
     $this->assertEquals($size, $this->options->getSize());
     $this->assertNotSame($size, $this->options->getSize());
     $this->assertSame((int) $size, $this->options->getSize());
     $padding = '50';
     $this->options->setPadding($padding);
     $this->assertEquals($padding, $this->options->getPadding());
     $this->assertNotSame($padding, $this->options->getPadding());
     $this->assertSame((int) $padding, $this->options->getPadding());
 }