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Added more test cases

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This commit is contained in:
Alexander Belopolsky 2010-06-22 14:07:33 +00:00
parent 0aae6dc6f5
commit 1b40292592
1 changed files with 25 additions and 0 deletions
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25
Lib/test/test_datetime.py
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@ -301,6 +301,7 @@ class TestTimeDelta(HarmlessMixedComparison, unittest.TestCase):
c = td(0, 0, 1000) # One millisecond
eq(a+b+c, td(7, 60, 1000))
eq(a-b, td(6, 24*3600 - 60))
eq(b.__rsub__(a), td(6, 24*3600 - 60))
eq(-a, td(-7))
eq(+a, td(7))
eq(-b, td(-1, 24*3600 - 60))
@ -378,6 +379,7 @@ class TestTimeDelta(HarmlessMixedComparison, unittest.TestCase):
self.assertRaises(ZeroDivisionError, lambda: a // zero)
self.assertRaises(ZeroDivisionError, lambda: a / zero)
self.assertRaises(ZeroDivisionError, lambda: a / 0.0)
self.assertRaises(TypeError, lambda: a / '')
@requires_IEEE_754
def test_disallowed_special(self):
@ -503,10 +505,20 @@ class TestTimeDelta(HarmlessMixedComparison, unittest.TestCase):
microseconds=999999)),
"999999999 days, 23:59:59.999999")
def test_repr(self):
name = 'datetime.' + self.theclass.__name__
self.assertEqual(repr(self.theclass(1)),
"%s(1)" % name)
self.assertEqual(repr(self.theclass(10, 2)),
"%s(10, 2)" % name)
self.assertEqual(repr(self.theclass(-10, 2, 400000)),
"%s(-10, 2, 400000)" % name)
def test_roundtrip(self):
for td in (timedelta(days=999999999, hours=23, minutes=59,
seconds=59, microseconds=999999),
timedelta(days=-999999999),
timedelta(days=-999999999, seconds=1),
timedelta(days=1, seconds=2, microseconds=3)):
# Verify td -> string -> td identity.
@ -3480,6 +3492,19 @@ class TestTimezoneConversions(unittest.TestCase):
def dst(self, dt): return None
self.assertRaises(ValueError, now.astimezone, notok())
# Sometimes blow up. In the following, tzinfo.dst()
# implementation may return None or not Nonedepending on
# whether DST is assumed to be in effect. In this situation,
# a ValueError should be raised by astimezone().
class tricky_notok(ok):
def dst(self, dt):
if dt.year == 2000:
return None
else:
return 10*HOUR
dt = self.theclass(2001, 1, 1).replace(tzinfo=utc_real)
self.assertRaises(ValueError, dt.astimezone, tricky_notok())
def test_fromutc(self):
self.assertRaises(TypeError, Eastern.fromutc) # not enough args
now = datetime.utcnow().replace(tzinfo=utc_real)