Using the Atto image button 1. Insert a new image 2. Verify that each of the image alignment options works, and puts a small amount of margin on the image. (margin on both sides for top, middle and bottom alignments, margin on the opposite side for left and right alignments) 3. Verify you can specify a height in % 4. Verify you cannot enter garbage in the width and height fields and save the image 5. Verify that when "Auto size" is checked the image aspect ratio is preserved by adjusting either the width or height to match the value entered in the other field 6. Verify that if "Auto size" is enabled, and a percentage width or height is entered in the width and height fields, the value is copied to the other field as is. 7. Verify that when "Auto size" is not enabled, the width and height can be adjusted separately. 8. Verify that if the image is saved and "Auto size" is checked, the "img-responsive" class is added to the image. 9. Verify that the image preview responds to changes in the width and height fields, but the size of the dialogue does not change. 10. Verify that if an image is created with "Auto size" checked, it is saved, then edited again - the "Auto size" is still checked.