0988b14cd6
In Python 3.7 "1 >> (big int)" is now allowed, it no longer raises an OverflowError. So use bytearray to test big-int conversion overflow.
42 lines
717 B
Python
42 lines
717 B
Python
# test errors operating on bignum
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i = 1 << 65
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try:
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i << -1
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except ValueError:
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print("ValueError")
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try:
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len(i)
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except TypeError:
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print("TypeError")
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try:
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1 in i
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except TypeError:
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print("TypeError")
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# overflow because arg of bytearray is being converted to machine int
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try:
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bytearray(i)
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except OverflowError:
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print('OverflowError')
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# to test conversion of negative mpz to machine int
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# (we know << will convert to machine int, even though it fails to do the shift)
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try:
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i << (-(i >> 40))
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except ValueError:
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print('ValueError')
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try:
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i // 0
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except ZeroDivisionError:
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print('ZeroDivisionError')
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try:
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i % 0
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except ZeroDivisionError:
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print('ZeroDivisionError')
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