require './test.pl';
}
-plan tests => 5;
+plan tests => 11;
eval { for (\2) { $_ = <FH> } };
like($@, 'Modification of a read-only value attempted', '[perl #19566]');
);
is ($result, "end", '[perl #21614] for length ' . length $k);
}
+
+
+foreach my $k ('perl', 'perl'x21) {
+ my $result
+ = runperl (switches => '-l', stdin => ' rules', stderr => 1,
+ prog => "%a = qw($k v); foreach (keys %a) {\$_ .= <>; print}",
+ );
+ is ($result, "$k rules", 'rcatline to shared sv for length ' . length $k);
+}
+
+foreach my $l (1, 82) {
+ my $k = $l;
+ $k = 'k' x $k;
+ my $copy = $k;
+ $k = <DATA>;
+ is ($k, "moo\n", 'catline to COW sv for length ' . length $copy);
+}
+
+
+foreach my $l (1, 21) {
+ my $k = $l;
+ $k = 'perl' x $k;
+ my $perl = $k;
+ $k .= <DATA>;
+ is ($k, "$perl rules\n", 'rcatline to COW sv for length ' . length $perl);
+}
+__DATA__
+moo
+moo
+ rules
+ rules