const result = th.dateFormat(undefined, undefined, undefined, expected);
assert.strictEqual(result, expected);
});
+ it('handles invalid date', function () {
+ const expected = 'otherwise';
+ const result = th.dateFormat(new Date('bad date'), undefined, undefined, expected);
+ assert.strictEqual(result, expected);
+ });
it('renders Infinity', function () {
const expected = 'end of time';
const result = th.dateFormat(Infinity, expected);