return -1 for undefined groups (as implemented in 1.5.2) instead of
None (as documented) from start/end/span. closes bug #113254
diff --git a/Lib/test/test_sre.py b/Lib/test/test_sre.py
index 3d8926f..1eea12f 100644
--- a/Lib/test/test_sre.py
+++ b/Lib/test/test_sre.py
@@ -46,7 +46,7 @@
if verbose:
print 'Running tests on character literals'
-for i in range(0, 256):
+for i in [0, 8, 16, 32, 64, 127, 128, 255]:
test(r"""sre.match("\%03o" % i, chr(i)) != None""", 1)
test(r"""sre.match("\%03o0" % i, chr(i)+"0") != None""", 1)
test(r"""sre.match("\%03o8" % i, chr(i)+"8") != None""", 1)
@@ -73,6 +73,11 @@
test(r"""sre.match('x*', 'xxxa').span()""", (0, 3))
test(r"""sre.match('a+', 'xxx')""", None)
+# bug 113254
+test(r"""sre.match('(a)|(b)', 'b').start(1)""", -1)
+test(r"""sre.match('(a)|(b)', 'b').end(1)""", -1)
+test(r"""sre.match('(a)|(b)', 'b').span(1)""", (-1, -1))
+
if verbose:
print 'Running tests on sre.sub'