193 lines
6.5 KiB
Python
Executable File
193 lines
6.5 KiB
Python
Executable File
#! /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 testoverflow(type, lowerLimit, upperLimit):
|
|
# should not overflow assigning lower limit
|
|
if verbose:
|
|
print "overflow test: array(%s, [%s])" % (`type`, `lowerLimit`)
|
|
try:
|
|
a = array.array(type, [lowerLimit])
|
|
except:
|
|
raise TestFailed, "array(%s) overflowed assigning %s" %\
|
|
(`type`, `lowerLimit`)
|
|
# should overflow assigning less than lower limit
|
|
if verbose:
|
|
print "overflow test: array(%s, [%s])" % (`type`, `lowerLimit-1`)
|
|
try:
|
|
a = array.array(type, [lowerLimit-1])
|
|
raise TestFailed, "array(%s) did not overflow assigning %s" %\
|
|
(`type`, `lowerLimit-1`)
|
|
except OverflowError:
|
|
pass
|
|
# should not overflow assigning upper limit
|
|
if verbose:
|
|
print "overflow test: array(%s, [%s])" % (`type`, `upperLimit`)
|
|
try:
|
|
a = array.array(type, [upperLimit])
|
|
except:
|
|
raise TestFailed, "array(%s) overflowed assigning %s" %\
|
|
(`type`, `upperLimit`)
|
|
# should overflow assigning more than upper limit
|
|
if verbose:
|
|
print "overflow test: array(%s, [%s])" % (`type`, `upperLimit+1`)
|
|
try:
|
|
a = array.array(type, [upperLimit+1])
|
|
raise TestFailed, "array(%s) did not overflow assigning %s" %\
|
|
(`type`, `upperLimit+1`)
|
|
except OverflowError:
|
|
pass
|
|
|
|
|
|
|
|
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()
|
|
|
|
# This block is just to verify that the operations don't blow up.
|
|
a.tolist()
|
|
a.tostring()
|
|
repr(a)
|
|
str(a)
|
|
|
|
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`
|
|
if a.index("e") != 5:
|
|
raise TestFailed, "array(%s) index-test" % `type`
|
|
if a.count("a") != 2:
|
|
raise TestFailed, "array(%s) count-test" % `type`
|
|
a.remove("e")
|
|
if a != array.array(type, "aabcde"):
|
|
raise TestFailed, "array(%s) remove-test" % `type`
|
|
if a.pop(0) != "a":
|
|
raise TestFailed, "array(%s) pop-test" % `type`
|
|
if a.pop(1) != "b":
|
|
raise TestFailed, "array(%s) pop-test" % `type`
|
|
a.extend(array.array(type, "xyz"))
|
|
if a != array.array(type, "acdexyz"):
|
|
raise TestFailed, "array(%s) extend-test" % `type`
|
|
a.pop()
|
|
a.pop()
|
|
a.pop()
|
|
x = a.pop()
|
|
if x != 'e':
|
|
raise TestFailed, "array(%s) pop-test" % `type`
|
|
if a != array.array(type, "acd"):
|
|
raise TestFailed, "array(%s) pop-test" % `type`
|
|
a.reverse()
|
|
if a != array.array(type, "dca"):
|
|
raise TestFailed, "array(%s) reverse-test" % `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`
|
|
if a.index(5) != 5:
|
|
raise TestFailed, "array(%s) index-test" % `type`
|
|
if a.count(1) != 2:
|
|
raise TestFailed, "array(%s) count-test" % `type`
|
|
a.remove(5)
|
|
if a != array.array(type, [1, 1, 2, 3, 4, 5]):
|
|
raise TestFailed, "array(%s) remove-test" % `type`
|
|
if a.pop(0) != 1:
|
|
raise TestFailed, "array(%s) pop-test" % `type`
|
|
if a.pop(1) != 2:
|
|
raise TestFailed, "array(%s) pop-test" % `type`
|
|
a.extend(array.array(type, [7, 8, 9]))
|
|
if a != array.array(type, [1, 3, 4, 5, 7, 8, 9]):
|
|
raise TestFailed, "array(%s) extend-test" % `type`
|
|
a.pop()
|
|
a.pop()
|
|
a.pop()
|
|
x = a.pop()
|
|
if x != 5:
|
|
raise TestFailed, "array(%s) pop-test" % `type`
|
|
if a != array.array(type, [1, 3, 4]):
|
|
raise TestFailed, "array(%s) pop-test" % `type`
|
|
a.reverse()
|
|
if a != array.array(type, [4, 3, 1]):
|
|
raise TestFailed, "array(%s) reverse-test" % `type`
|
|
|
|
# test that overflow exceptions are raised as expected for assignment
|
|
# to array of specific integral types
|
|
from math import pow
|
|
if type in ('b', 'h', 'i', 'l'):
|
|
# check signed and unsigned versions
|
|
a = array.array(type)
|
|
signedLowerLimit = -1 * long(pow(2, a.itemsize * 8 - 1))
|
|
signedUpperLimit = long(pow(2, a.itemsize * 8 - 1)) - 1L
|
|
unsignedLowerLimit = 0
|
|
unsignedUpperLimit = long(pow(2, a.itemsize * 8)) - 1L
|
|
testoverflow(type, signedLowerLimit, signedUpperLimit)
|
|
testoverflow(type.upper(), unsignedLowerLimit, unsignedUpperLimit)
|
|
|
|
|
|
|
|
main()
|