ok(!is_holiday(1985, 1, 20),
q{Not inauguration day}
);
is(is_holiday(1985, 1, 1),
q{New Year's Day}
);
is(is_holiday(1985, 1, 21),
q{Inauguration Day}
);
is(is_holiday(1985, 2, 18),
q{Washington's Birthday}
);
is(is_holiday(1985, 5, 27),
q{Memorial Day}
);
is(is_holiday(1985, 7, 4),
q{Independence Day}
);
is(is_holiday(1985, 9, 2),
q{Labor Day}
);
is(is_holiday(1985, 10, 14),
q{Columbus Day}
);
is(is_holiday(1985, 11, 11),
q{Veterans Day}
);
is(is_holiday(1985, 11, 28),
q{Thanksgiving Day}
);
is(is_holiday(1985, 12, 25),
q{Christmas Day}
);
is(
scalar
(
keys
%{holidays(1985)}), 10);