Check stepUp() and stepDown() bahevior for type=month.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


Invalid value
PASS stepUp("", null, null) threw exception InvalidStateError: The object is in an invalid state..
PASS stepDown("", null, null) threw exception InvalidStateError: The object is in an invalid state..
Non-number arguments
PASS stepUp("2010-02", null, null, "0") is "2010-02"
PASS stepDown("2010-02", null, null, "0") is "2010-02"
PASS stepUp("2010-02", null, null, "foo") is "2010-02"
PASS stepDown("2010-02", null, null, "foo") is "2010-02"
PASS stepUp("2010-02", null, null, null) is "2010-02"
PASS stepDown("2010-02", null, null, null) is "2010-02"
Normal cases
PASS stepUp("2010-02", null, null) is "2010-03"
PASS stepDown("2010-02", null, null) is "2010-01"
PASS stepUp("2010-02", null, null, 10) is "2010-12"
PASS stepDown("2010-02", null, null, 11) is "2009-03"
PASS stepUp("1970-01", "4", null, 2) is "1970-09"
PASS stepDown("1970-01", "4", null, 3) is "1969-01"
Step=any
PASS stepUp("2010-02", "any", null) threw exception InvalidStateError: The object is in an invalid state..
PASS stepDown("2010-02", "any", null) threw exception InvalidStateError: The object is in an invalid state..
Overflow/underflow
PASS stepUp("2010-02", "3.40282346e+38", null) threw exception InvalidStateError: The object is in an invalid state..
PASS stepDown("2010-02", "3.40282346e+38", null) threw exception InvalidStateError: The object is in an invalid state..
PASS stepUp("2010-02", "1", "2010-02") threw exception InvalidStateError: The object is in an invalid state..
PASS stepDown("2010-02", "1", "2010-02") threw exception InvalidStateError: The object is in an invalid state..

PASS successfullyParsed is true

TEST COMPLETE