-Check stepUp() and stepDown() bahevior for type=date.
+Check stepUp() and stepDown() behavior for type=date.
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
Invalid value
-PASS stepUp("", null, null) threw exception InvalidStateError: Failed to execute 'stepUp' on 'HTMLInputElement': The form element's current value is not a number..
-PASS stepDown("", null, null) threw exception InvalidStateError: Failed to execute 'stepDown' on 'HTMLInputElement': The form element's current value is not a number..
+PASS stepUp("", null, null) is "1970-01-02"
+PASS stepDown("", null, null) is "1969-12-31"
Non-number arguments
PASS stepUp("2010-02-10", null, null, "0") is "2010-02-10"
PASS stepDown("2010-02-10", null, null, "0") is "2010-02-10"
PASS stepUp("2010-02-10", null, null, null) is "2010-02-10"
PASS stepDown("2010-02-10", null, null, null) is "2010-02-10"
Normal cases
-PASS stepDown("1970-01-04", "2", null) is "1970-01-02"
+PASS stepDown("1970-01-04", "2", null) is "1970-01-03"
PASS stepUp("2010-02-10", null, null) is "2010-02-11"
PASS stepDown("2010-02-10", null, null) is "2010-02-09"
PASS stepUp("2010-02-10", null, null, 10) is "2010-02-20"
PASS stepUp("2010-02-10", "any", null) threw exception InvalidStateError: Failed to execute 'stepUp' on 'HTMLInputElement': This form element does not have an allowed value step..
PASS stepDown("2010-02-10", "any", null) threw exception InvalidStateError: Failed to execute 'stepDown' on 'HTMLInputElement': This form element does not have an allowed value step..
Overflow/underflow
-PASS stepUp("2010-02-10", "3.40282346e+38", null) threw exception InvalidStateError: Failed to execute 'stepUp' on 'HTMLInputElement': The form element's new value (2.94003946944e+46) would be higher than the maximum (8640000000000000), and snapping to the maximum would exceed the amount of acceptible error..
-PASS stepDown("2010-02-10", "3.40282346e+38", null) threw exception InvalidStateError: Failed to execute 'stepDown' on 'HTMLInputElement': The form element's new value (-2.94003946944e+46) would be lower than the minimum (-62135596800000), and snapping to the minimum would exceed the amount of acceptible error..
-PASS stepUp("2010-02-10", "1", "2010-02-10") threw exception InvalidStateError: Failed to execute 'stepUp' on 'HTMLInputElement': The form element's new value (1265846400000) would be higher than the maximum (1265760000000), and snapping to the maximum would exceed the amount of acceptible error..
-PASS stepDown("2010-02-10", "1", "2010-02-10") threw exception InvalidStateError: Failed to execute 'stepDown' on 'HTMLInputElement': The form element's new value (1265673600000) would be lower than the minimum (1265760000000), and snapping to the minimum would exceed the amount of acceptible error..
+PASS stepUp("2010-02-10", "3.40282346e+38", null) is "275760-09-13"
+PASS stepDown("2010-02-10", "3.40282346e+38", null) is "1970-01-01"
+PASS stepUp("2010-02-10", "1", "2010-02-10") is "2010-02-10"
+PASS stepDown("2010-02-10", "1", "2010-02-10") is "2010-02-10"
PASS successfullyParsed is true