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Added checks for integer overflows, contributed by Google. Some are

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only available if asserts are left in the code, in cases where they
can't be triggered from Python code.
This commit is contained in:
Martin v. Löwis 2008-02-14 11:26:18 +00:00
parent abcb59a1d8
commit 73c01d4101
25 changed files with 464 additions and 59 deletions
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17
Lib/test/test_array.py
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@ -975,6 +975,23 @@ tests.append(FloatTest)
class DoubleTest(FPTest):
typecode = 'd'
minitemsize = 8
def test_alloc_overflow(self):
a = array.array('d', [-1]*65536)
try:
a *= 65536
except MemoryError:
pass
else:
self.fail("a *= 2**16 didn't raise MemoryError")
b = array.array('d', [ 2.71828183, 3.14159265, -1])
try:
b * 1431655766
except MemoryError:
pass
else:
self.fail("a * 1431655766 didn't raise MemoryError")
tests.append(DoubleTest)
def test_main(verbose=None):