def test_constructor(self):
assert((self.d + DateOffset(months=2)) == datetime(2008, 3, 2))
assert((self.d - DateOffset(months=2)) == datetime(2007, 11, 2))
assert((self.d + DateOffset(2)) == datetime(2008, 1, 4))
assert not DateOffset(2).isAnchored()
assert DateOffset(1).isAnchored()
d = datetime(2008, 1, 31)
assert((d + DateOffset(months=1)) == datetime(2008, 2, 29))
def test_eq(self):
offset1 = DateOffset(days=1)
offset2 = DateOffset(days=365)
self.assert_(offset1 != offset2)
self.assert_(not (offset1 == offset2))
def test_copy(self):
assert(DateOffset(months=2).copy() == DateOffset(months=2))
def test_mul(self):
assert DateOffset(2) == 2 * DateOffset(1)
assert DateOffset(2) == DateOffset(1) * 2
def test_repr(self):
repr(DateOffset())
repr(DateOffset(2))
repr(2 * DateOffset())
repr(2 * DateOffset(months=2))