my @b = unpack ("A,A", "22") ;
my $b = pack ("A,A", 1,2) ;
EXPECT
-Invalid type in unpack: ',' at - line 4.
-Invalid type in pack: ',' at - line 5.
+Invalid type ',' in unpack at - line 4.
+Invalid type ',' in pack at - line 5.
########
# pp.c
use warnings 'uninitialized' ;
no warnings 'uninitialized' ;
my $c = $$a;
EXPECT
-Use of uninitialized value in scalar dereference at - line 4.
+Use of uninitialized value $a in scalar dereference at - line 4.
########
# pp_pack.c
use warnings 'pack' ;
print unpack("c", pack("c", 127)), "\n";
print unpack("c", pack("c", 128)), "\n";
EXPECT
-Character in "C" format wrapped at - line 3.
-Character in "C" format wrapped at - line 3.
-Character in "c" format wrapped at - line 3.
-Character in "c" format wrapped at - line 3.
+Character in 'C' format wrapped in pack at - line 3.
+Character in 'C' format wrapped in pack at - line 3.
+Character in 'c' format wrapped in pack at - line 3.
+Character in 'c' format wrapped in pack at - line 3.
255
0
255