What do you think about that?
One needs to exercise caution in quoting generic relationships. In general, ASDA will not exceed TODA. However, when protected areas are taken into account for the more testing runways, sometimes things don't quite fit the generic expectations - hence the need for declared distances so that folks don't get led astray by the length of the seal .. which may not be the material length permitted for use ....
If you be interested in reading further on this, the various airports standards are the place to go. Note - I am not, in any way, an airports design specialist - that is the province of the airports design civil engineers and the airports regulatory folks.