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path: root/Lib/dos-8x3/test_arr.py
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#! /usr/bin/env python
"""Test the arraymodule.
   Roger E. Masse
"""
import array
from test_support import verbose, TESTFN, unlink

def main():

    testtype('c', 'c')

    for type in (['b', 'h', 'i', 'l', 'f', 'd']):
        testtype(type, 1)

    unlink(TESTFN)


def testtype(type, example):

        a = array.array(type)
        a.append(example)
        if verbose:
            print 40*'*'
            print 'array after append: ', a
        a.typecode
        a.itemsize
        if a.typecode in ('i', 'b', 'h', 'l'):
            a.byteswap()

        if a.typecode == 'c':
            f = open(TESTFN, "w")
            f.write("The quick brown fox jumps over the lazy dog.\n")
            f.close()
            f = open(TESTFN, 'r')
            a.fromfile(f, 10)
            f.close()
            if verbose:
                print 'char array with 10 bytes of TESTFN appended: ', a
            a.fromlist(['a', 'b', 'c'])
            if verbose:
                print 'char array with list appended: ', a

        a.insert(0, example)
        if verbose:
            print 'array of %s after inserting another:' % a.typecode, a
        f = open(TESTFN, 'w')
        a.tofile(f)
        f.close()
        a.tolist()
        a.tostring()
        if verbose:
            print 'array of %s converted to a list: ' % a.typecode, a.tolist()
        if verbose:
            print 'array of %s converted to a string: ' \
                   % a.typecode, `a.tostring()`


main()