Imbo\Model\Image::hasBeenTransformed PHP Method

    public function hasBeenTransformed($flag = null)
    {
        if ($flag === null) {
            return $this->hasBeenTransformed;
        }
        $this->hasBeenTransformed = (bool) $flag;
        return $this;
    }

 /**
  * @covers Imbo\Model\Image::hasBeenTransformed
  */
 public function testCanUpdateTransformationFlag()
 {
     $this->assertFalse($this->image->hasBeenTransformed());
     $this->assertSame($this->image, $this->image->hasBeenTransformed(true));
     $this->assertTrue($this->image->hasBeenTransformed());
     $this->assertSame($this->image, $this->image->hasBeenTransformed(false));
     $this->assertFalse($this->image->hasBeenTransformed());
 }