1 Check stepUp() and stepDown() behavior for type=datetime-local.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
7 PASS stepUp("", null, null) is "1970-01-01T00:01"
8 PASS stepDown("", null, null) is "1969-12-31T23:59"
10 PASS stepUp("2010-02-10T20:13", null, null, "0") is "2010-02-10T20:13"
11 PASS stepDown("2010-02-10T20:13", null, null, "0") is "2010-02-10T20:13"
12 PASS stepUp("2010-02-10T20:13", null, null, "foo") is "2010-02-10T20:13"
13 PASS stepDown("2010-02-10T20:13", null, null, "foo") is "2010-02-10T20:13"
14 PASS stepUp("2010-02-10T20:13", null, null, null) is "2010-02-10T20:13"
15 PASS stepDown("2010-02-10T20:13", null, null, null) is "2010-02-10T20:13"
17 PASS stepUp("2010-02-10T20:13", null, null) is "2010-02-10T20:14"
18 PASS stepDown("2010-02-10T20:13", null, null) is "2010-02-10T20:12"
19 PASS stepUp("2010-02-10T20:13", null, null, 10) is "2010-02-10T20:23"
20 PASS stepDown("2010-02-10T20:13", null, null, 11) is "2010-02-10T20:02"
21 PASS stepUp("1970-01-01T20:13", "4", null, 2) is "1970-01-01T20:13:08"
22 PASS stepDown("1970-01-01T20:13", "4", null, 3) is "1970-01-01T20:12:48"
24 PASS stepUp("2010-02-10T20:13", "any", null) threw exception InvalidStateError: Failed to execute 'stepUp' on 'HTMLInputElement': This form element does not have an allowed value step..
25 PASS stepDown("2010-02-10T20:13", "any", null) threw exception InvalidStateError: Failed to execute 'stepDown' on 'HTMLInputElement': This form element does not have an allowed value step..
27 PASS stepUp("2010-02-10T20:13", "3.40282346e+38", null) is "275760-09-13T00:00:00"
28 PASS stepDown("2010-02-10T20:13", "3.40282346e+38", null) is "1970-01-01T00:00:00"
29 PASS stepUp("2010-02-10T20:13", "1", "2010-02-10T20:13") is "2010-02-10T20:13:00"
30 PASS stepDown("2010-02-10T20:13", "1", "2010-02-10T20:13") is "2010-02-10T20:13:00"
31 PASS successfullyParsed is true