Harness status: OK Found 17 tests 17 Pass Pass Should be known: '(prefers-reduced-data)' Pass Should be known: '(prefers-reduced-data: no-preference)' Pass Should be known: '(prefers-reduced-data: reduce)' Pass Should be parseable: '(prefers-reduced-data: 0)' Pass Should be unknown: '(prefers-reduced-data: 0)' Pass Should be parseable: '(prefers-reduced-data: none)' Pass Should be unknown: '(prefers-reduced-data: none)' Pass Should be parseable: '(prefers-reduced-data: 10px)' Pass Should be unknown: '(prefers-reduced-data: 10px)' Pass Should be parseable: '(prefers-reduced-data: no-preference reduce)' Pass Should be unknown: '(prefers-reduced-data: no-preference reduce)' Pass Should be parseable: '(prefers-reduced-data: reduced)' Pass Should be unknown: '(prefers-reduced-data: reduced)' Pass Should be parseable: '(prefers-reduced-data: no-preference/reduce)' Pass Should be unknown: '(prefers-reduced-data: no-preference/reduce)' Pass Check that no-preference evaluates to false in the boolean context Pass Check that invalid evaluates to false