[Python-Dev] test_array failure on AIX

[Guido van Rossum]

> Any advice as to where I should look at and/or how to try fixing this?
> 
> 
> ~/python/CVS> ./python Lib/test/test_array.py
> ****************************************
> array after append:  array('c', 'c')
> char array with 10 bytes of TESTFN appended:  array('c', 'cThe quick ')
> char array with list appended:  array('c', 'cThe quick abc')
> array of c after inserting another: array('c', 'ccThe quick abc')
> array of c converted to a list:  ['c', 'c', 'T', 'h', 'e', ' ', 'q', 'u', 'i', 'c', 'k', ' ', 'a', 'b', 'c']
> array of c converted to a string:  'ccThe quick abc'
> ****************************************
> array after append:  array('b', [1])
> array of b after inserting another: array('b', [1, 1])
> array of b converted to a list:  [1, 1]
> array of b converted to a string:  '\001\001'
> overflow test: array('b', [-128L])
> Traceback (most recent call last):
>   File "Lib/test/test_array.py", line 137, in ?
>     main()
>   File "Lib/test/test_array.py", line 13, in main
>     testtype(type, 1)
>   File "Lib/test/test_array.py", line 132, in testtype
>     testoverflow(type, signedLowerLimit, signedUpperLimit)
>   File "Lib/test/test_array.py", line 25, in testoverflow
>     raise TestFailed, "array(%s) overflowed assigning %s" %\
> test_support -- test failed: array('b') overflowed assigning -128L

Look at b_setitem() in arraymodule.c.

What is CHAR_MIN?

Do you perchance have unsigned characters???

If so, let's just replace CHAR_MIN with -128 and CHAR_MAX with 127.

--Guido van Rossum (home page: http://www.python.org/~guido/)