This test makes sure hiding and showing a scrollable iframe correctly updates the set of non-fast scrollable rects.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS successfullyParsed is true

TEST COMPLETE
PASS internals.nonFastScrollableRects(document).length is 1
PASS internals.nonFastScrollableRects(document).length is 0
PASS internals.nonFastScrollableRects(document).length is 1