cpython/Lib/dos-8x3/test_arr.py

87 lines
2.7 KiB
Python

#! /usr/bin/env python
"""Test the arraymodule.
Roger E. Masse
"""
import array
from test_support import verbose, TESTFN, unlink, TestFailed
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()`
if type == 'c':
a = array.array(type, "abcde")
a[:-1] = a
if a != array.array(type, "abcdee"):
raise TestFailed, "array(%s) self-slice-assign (head)" % `type`
a = array.array(type, "abcde")
a[1:] = a
if a != array.array(type, "aabcde"):
raise TestFailed, "array(%s) self-slice-assign (tail)" % `type`
a = array.array(type, "abcde")
a[1:-1] = a
if a != array.array(type, "aabcdee"):
raise TestFailed, "array(%s) self-slice-assign (cntr)" % `type`
else:
a = array.array(type, [1, 2, 3, 4, 5])
a[:-1] = a
if a != array.array(type, [1, 2, 3, 4, 5, 5]):
raise TestFailed, "array(%s) self-slice-assign (head)" % `type`
a = array.array(type, [1, 2, 3, 4, 5])
a[1:] = a
if a != array.array(type, [1, 1, 2, 3, 4, 5]):
raise TestFailed, "array(%s) self-slice-assign (tail)" % `type`
a = array.array(type, [1, 2, 3, 4, 5])
a[1:-1] = a
if a != array.array(type, [1, 1, 2, 3, 4, 5, 5]):
raise TestFailed, "array(%s) self-slice-assign (cntr)" % `type`
main()