Fix the bug described in
http://mail.python.org/pipermail/python-dev/2002-June/025461.html
with test cases.
Also includes extended slice support for arrays, which I thought I'd
already checked in but obviously not.
diff --git a/Lib/test/test_array.py b/Lib/test/test_array.py
index 681a4d0..9a29887 100755
--- a/Lib/test/test_array.py
+++ b/Lib/test/test_array.py
@@ -3,7 +3,8 @@
Roger E. Masse
"""
import array
-from test_support import verbose, TESTFN, unlink, TestFailed, have_unicode
+from test_support import verbose, TESTFN, unlink, TestFailed,\
+ have_unicode, vereq
def main():
testtype('c', 'c')
@@ -312,6 +313,46 @@
a.reverse()
if a != array.array(type, [4, 3, 1]):
raise TestFailed, "array(%s) reverse-test" % `type`
+ # extended slicing
+ # subscription
+ a = array.array(type, [0,1,2,3,4])
+ vereq(a[::], a)
+ vereq(a[::2], array.array(type, [0,2,4]))
+ vereq(a[1::2], array.array(type, [1,3]))
+ vereq(a[::-1], array.array(type, [4,3,2,1,0]))
+ vereq(a[::-2], array.array(type, [4,2,0]))
+ vereq(a[3::-2], array.array(type, [3,1]))
+ vereq(a[-100:100:], a)
+ vereq(a[100:-100:-1], a[::-1])
+ vereq(a[-100L:100L:2L], array.array(type, [0,2,4]))
+ vereq(a[1000:2000:2], array.array(type, []))
+ vereq(a[-1000:-2000:-2], array.array(type, []))
+ # deletion
+ del a[::2]
+ vereq(a, array.array(type, [1,3]))
+ a = array.array(type, range(5))
+ del a[1::2]
+ vereq(a, array.array(type, [0,2,4]))
+ a = array.array(type, range(5))
+ del a[1::-2]
+ vereq(a, array.array(type, [0,2,3,4]))
+ # assignment
+ a = array.array(type, range(10))
+ a[::2] = array.array(type, [-1]*5)
+ vereq(a, array.array(type, [-1, 1, -1, 3, -1, 5, -1, 7, -1, 9]))
+ a = array.array(type, range(10))
+ a[::-4] = array.array(type, [10]*3)
+ vereq(a, array.array(type, [0, 10, 2, 3, 4, 10, 6, 7, 8 ,10]))
+ a = array.array(type, range(4))
+ a[::-1] = a
+ vereq(a, array.array(type, [3, 2, 1, 0]))
+ a = array.array(type, range(10))
+ b = a[:]
+ c = a[:]
+ ins = array.array(type, range(2))
+ a[2:3] = ins
+ b[slice(2,3)] = ins
+ c[2:3:] = ins
# test that overflow exceptions are raised as expected for assignment
# to array of specific integral types