Teams have been busy launching their new cars to the world ahead of the new Formula 1 season-opener in Australia.
Testing takes place in three separate four-day sessions in Spain from early February to early March.
The first session begins on 5 February at Jerez, before moving on to two final sessions at the Circuit de Catalunya near Barcelona.
There will be live text commentary on the first and third testing sessions.
Barcelona, Spain February 28-March 3 (live text commentary online)