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TestOnlySetsInBinaryOps: Simplified the non-inplace tests by using 

assertRaises.  Fixed a repeated subtle bug in the inplace tests by
removing the possibilty that a self.fail() call could raise a
TypeError that the test catches by mistake.
This commit is contained in:
Tim Peters 2003-03-02 00:36:10 +00:00
parent b7bfe4bea4
commit 6cca754c20
1 changed files with 16 additions and 44 deletions
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60
Lib/test/test_sets.py
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@ -506,78 +506,50 @@ class TestOnlySetsInBinaryOps(unittest.TestCase):
def test_union_update(self): def test_union_update(self):
try: try:
self.set |= self.other self.set |= self.other
self.fail("expected TypeError")
except TypeError: except TypeError:
pass pass
else:
self.fail("expected TypeError")
def test_union(self): def test_union(self):
try: self.assertRaises(TypeError, lambda: self.set | self.other)
self.other | self.set self.assertRaises(TypeError, lambda: self.other | self.set)
self.fail("expected TypeError")
except TypeError:
pass
try:
self.set | self.other
self.fail("expected TypeError")
except TypeError:
pass
def test_intersection_update(self): def test_intersection_update(self):
try: try:
self.set &= self.other self.set &= self.other
self.fail("expected TypeError")
except TypeError: except TypeError:
pass pass
else:
self.fail("expected TypeError")
def test_intersection(self): def test_intersection(self):
try: self.assertRaises(TypeError, lambda: self.set & self.other)
self.other & self.set self.assertRaises(TypeError, lambda: self.other & self.set)
self.fail("expected TypeError")
except TypeError:
pass
try:
self.set & self.other
self.fail("expected TypeError")
except TypeError:
pass
def test_sym_difference_update(self): def test_sym_difference_update(self):
try: try:
self.set ^= self.other self.set ^= self.other
self.fail("expected TypeError")
except TypeError: except TypeError:
pass pass
else:
self.fail("expected TypeError")
def test_sym_difference(self): def test_sym_difference(self):
try: self.assertRaises(TypeError, lambda: self.set ^ self.other)
self.other ^ self.set self.assertRaises(TypeError, lambda: self.other ^ self.set)
self.fail("expected TypeError")
except TypeError:
pass
try:
self.set ^ self.other
self.fail("expected TypeError")
except TypeError:
pass
def test_difference_update(self): def test_difference_update(self):
try: try:
self.set -= self.other self.set -= self.other
self.fail("expected TypeError")
except TypeError: except TypeError:
pass pass
else:
self.fail("expected TypeError")
def test_difference(self): def test_difference(self):
try: self.assertRaises(TypeError, lambda: self.set - self.other)
self.other - self.set self.assertRaises(TypeError, lambda: self.other - self.set)
self.fail("expected TypeError")
except TypeError:
pass
try:
self.set - self.other
self.fail("expected TypeError")
except TypeError:
pass
#------------------------------------------------------------------------------ #------------------------------------------------------------------------------