The West Indian fast bowlers bounced out Pakistan in less than 22 overs; while Sri Lanka have lost 8 middle-order wickets for 9 runs.
Pakistan and Sri Lanka will clash in Match 11 of the World Cup at Bristol on June 7.
Sri Lanka defeated Afghanistan; Steyn has been ruled out of the World Cup; and Sarah Taylor is back.
Afghanistan and Sri Lanka will face off in Match 7 of the ICC World Cup 2019 at Sophia Gardens, Cardiff on June 4.
Both Afghanistan and Sri Lanka are looking for their first win in the tournament after having endured heavy defeats against Australia and New Zealand in their opening matches.
New Zealand will face Sri Lanka in Match 3 of the ICC World Cup 2019 at Sophia Gardens, Cardiff, on June 1.
New Zealand and Sri Lanka begin their World Cup campaigns with contrasting objectives.
The first round of World Cup 2019 will be played in a round robin league format. The top four teams will qualify for the semi-final.
Australia have won the World Cup five times, West Indies and India twice each, and Pakistan and Sri Lanka once each.
The teams competed hard in the Warm-up matches. Only Australia won both matches and only Sri Lanka lost both.