Check that targeted class invalidation works for ::content selectors.

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


PASS getComputedStyle(r1, null).backgroundColor is transparent
PASS internals.updateStyleAndReturnAffectedElementCount() is 5
PASS getComputedStyle(r1, null).backgroundColor is green
PASS getComputedStyle(r2, null).backgroundColor is transparent
PASS internals.updateStyleAndReturnAffectedElementCount() is 4
PASS getComputedStyle(r2, null).backgroundColor is green
PASS getComputedStyle(r3, null).backgroundColor is transparent
PASS internals.updateStyleAndReturnAffectedElementCount() is 1
PASS getComputedStyle(r3, null).backgroundColor is green
PASS successfullyParsed is true

TEST COMPLETE