perl 5.003_03: t/op/split.t

If a regex supplied to split() contains paranthesized subpatterns
that can result in null matches, perl coredumps.

diff --git a/t/op/split.t b/t/op/split.t
index 2354530..4144bbb 100755 (executable)
--- a/t/op/split.t
+++ b/t/op/split.t
@@ -2,7 +2,7 @@
 
 # $RCSfile: split.t,v $$Revision: 4.1 $$Date: 92/08/07 18:28:26 $
 
-print "1..12\n";
+print "1..14\n";
 
 $FS = ':';
 
@@ -58,3 +58,10 @@ print $foo =~ /DEBUGGING/ || $foo =~ /SV = IV\(3\)/ ? "ok 11\n" : "not ok 11\n";
 $_ = join(':',$a,$b);
 print $_ eq '1:2 3 4 5 6' ? "ok 12\n" : "not ok 12 $_\n";
 
+# do subpatterns generate additional fields (without trailing nulls)?
+$_ = join '|', split(/,|(-)/, "1-10,20,,,");
+print $_ eq "1|-|10||20" ? "ok 13\n" : "not ok 13\n";
+
+# do subpatterns generate additional fields (with a limit)?
+$_ = join '|', split(/,|(-)/, "1-10,20,,,", 10);
+print $_ eq "1|-|10||20||||||" ? "ok 14\n" : "not ok 14\n";