| FAIL Normalizing a <number> returns a number CSSUnitValue Not implemented Error | |
| FAIL Normalizing a <percentage> returns a percent CSSUnitValue Not implemented Error | |
| FAIL Normalizing a <dimension> returns a CSSUnitValue with the correct unit Not implemented Error | |
| FAIL Normalizing a <number> with a unitless zero returns 0 Not implemented Error | |
| FAIL Normalizing a <calc> returns simplified expression Not implemented Error | |
| PASS Normalizing a <dimension> with a unitless zero returns 0px | |