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Merge in release25-maint r60793:

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Added checks for integer overflows, contributed by Google. Some are
 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:
Gregory P. Smith 2008-06-11 07:41:16 +00:00
parent 73baefd7fc
commit 9d53457e59
24 changed files with 438 additions and 54 deletions
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17
Lib/test/test_array.py
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@ -1009,6 +1009,23 @@ 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):