Undefined value assigned to typeglob
+ Possible Y2K bug: %d format string following '19'
+
+ Reference is already weak [Perl_sv_rvweaken] <<TODO
+
Mandatory Warnings
------------------
- Malformed UTF-8 character [sv_pos_b2u]
- my $a = rindex "a\xff bc ", "bc" ;
+ Malformed UTF-8 character [sv_pos_b2u] (not tested: difficult to produce
+ with perl now)
Mandatory Warnings TODO
------------------
__END__
# sv.c
use integer ;
-use warning 'uninitialized' ;
+use warnings 'uninitialized' ;
$x = 1 + $a[0] ; # a
-no warning 'uninitialized' ;
+no warnings 'uninitialized' ;
$x = 1 + $b[0] ; # a
EXPECT
-Use of uninitialized value at - line 4.
+Use of uninitialized value in integer addition (+) at - line 4.
########
# sv.c (sv_2iv)
package fred ;
package main ;
tie $A, 'fred' ;
use integer ;
-use warning 'uninitialized' ;
+use warnings 'uninitialized' ;
$A *= 2 ;
-no warning 'uninitialized' ;
+no warnings 'uninitialized' ;
$A *= 2 ;
EXPECT
-Use of uninitialized value at - line 10.
+Use of uninitialized value in integer multiplication (*) at - line 10.
########
# sv.c
use integer ;
-use warning 'uninitialized' ;
+use warnings 'uninitialized' ;
my $x *= 2 ; #b
-no warning 'uninitialized' ;
+no warnings 'uninitialized' ;
my $y *= 2 ; #b
EXPECT
-Use of uninitialized value at - line 4.
+Use of uninitialized value in integer multiplication (*) at - line 4.
########
# sv.c (sv_2uv)
package fred ;
sub STORE { return 1 }
package main ;
tie $A, 'fred' ;
-use warning 'uninitialized' ;
+use warnings 'uninitialized' ;
$B = 0 ;
$B |= $A ;
-no warning 'uninitialized' ;
+no warnings 'uninitialized' ;
$B = 0 ;
$B |= $A ;
EXPECT
-Use of uninitialized value at - line 10.
+Use of uninitialized value in bitwise or (|) at - line 10.
########
# sv.c
-use warning 'uninitialized' ;
+use warnings 'uninitialized' ;
my $Y = 1 ;
my $x = 1 | $a[$Y] ;
-no warning 'uninitialized' ;
+no warnings 'uninitialized' ;
my $Y = 1 ;
$x = 1 | $b[$Y] ;
EXPECT
-Use of uninitialized value at - line 4.
+Use of uninitialized value in bitwise or (|) at - line 4.
########
# sv.c
-use warning 'uninitialized' ;
+use warnings 'uninitialized' ;
my $x *= 1 ; # d
-no warning 'uninitialized' ;
+no warnings 'uninitialized' ;
my $y *= 1 ; # d
EXPECT
-Use of uninitialized value at - line 3.
+Use of uninitialized value in multiplication (*) at - line 3.
########
# sv.c
-use warning 'uninitialized' ;
+use warnings 'uninitialized' ;
$x = 1 + $a[0] ; # e
-no warning 'uninitialized' ;
+no warnings 'uninitialized' ;
$x = 1 + $b[0] ; # e
EXPECT
-Use of uninitialized value at - line 3.
+Use of uninitialized value in addition (+) at - line 3.
########
# sv.c (sv_2nv)
package fred ;
sub STORE { return 1 }
package main ;
tie $A, 'fred' ;
-use warning 'uninitialized' ;
+use warnings 'uninitialized' ;
$A *= 2 ;
-no warning 'uninitialized' ;
+no warnings 'uninitialized' ;
$A *= 2 ;
EXPECT
-Use of uninitialized value at - line 9.
+Use of uninitialized value in multiplication (*) at - line 9.
########
# sv.c
-use warning 'uninitialized' ;
+use warnings 'uninitialized' ;
$x = $y + 1 ; # f
-no warning 'uninitialized' ;
+no warnings 'uninitialized' ;
$x = $z + 1 ; # f
EXPECT
-Use of uninitialized value at - line 3.
+Use of uninitialized value in addition (+) at - line 3.
########
# sv.c
-use warning 'uninitialized' ;
+use warnings 'uninitialized' ;
$x = chop undef ; # g
-no warning 'uninitialized' ;
+no warnings 'uninitialized' ;
$x = chop undef ; # g
EXPECT
Modification of a read-only value attempted at - line 3.
########
# sv.c
-use warning 'uninitialized' ;
+use warnings 'uninitialized' ;
$x = chop $y ; # h
-no warning 'uninitialized' ;
+no warnings 'uninitialized' ;
$x = chop $z ; # h
EXPECT
-Use of uninitialized value at - line 3.
+Use of uninitialized value in scalar chop at - line 3.
########
# sv.c (sv_2pv)
package fred ;
sub STORE { return 1 }
package main ;
tie $A, 'fred' ;
-use warning 'uninitialized' ;
+use warnings 'uninitialized' ;
$B = "" ;
$B .= $A ;
-no warning 'uninitialized' ;
+no warnings 'uninitialized' ;
$C = "" ;
$C .= $A ;
EXPECT
-Use of uninitialized value at - line 10.
+Use of uninitialized value in concatenation (.) or string at - line 10.
########
# sv.c
-use warning 'numeric' ;
+use warnings 'numeric' ;
sub TIESCALAR{bless[]} ;
sub FETCH {"def"} ;
tie $a,"main" ;
my $b = 1 + $a;
-no warning 'numeric' ;
+no warnings 'numeric' ;
my $c = 1 + $a;
EXPECT
-Argument "def" isn't numeric in add at - line 6.
+Argument "def" isn't numeric in addition (+) at - line 6.
########
# sv.c
-use warning 'numeric' ;
+use warnings 'numeric' ;
my $x = 1 + "def" ;
-no warning 'numeric' ;
+no warnings 'numeric' ;
my $z = 1 + "def" ;
EXPECT
-Argument "def" isn't numeric in add at - line 3.
+Argument "def" isn't numeric in addition (+) at - line 3.
########
# sv.c
-use warning 'numeric' ;
+use warnings 'numeric' ;
my $a = "def" ;
my $x = 1 + $a ;
-no warning 'numeric' ;
+no warnings 'numeric' ;
my $y = 1 + $a ;
EXPECT
-Argument "def" isn't numeric in add at - line 4.
+Argument "def" isn't numeric in addition (+) at - line 4.
########
# sv.c
-use warning 'numeric' ; use integer ;
+use warnings 'numeric' ; use integer ;
my $a = "def" ;
my $x = 1 + $a ;
-no warning 'numeric' ;
+no warnings 'numeric' ;
my $z = 1 + $a ;
EXPECT
-Argument "def" isn't numeric in i_add at - line 4.
+Argument "def" isn't numeric in integer addition (+) at - line 4.
########
# sv.c
-use warning 'numeric' ;
+use warnings 'numeric' ;
my $x = 1 & "def" ;
-no warning 'numeric' ;
+no warnings 'numeric' ;
my $z = 1 & "def" ;
EXPECT
-Argument "def" isn't numeric in bit_and at - line 3.
+Argument "def" isn't numeric in bitwise and (&) at - line 3.
########
# sv.c
-use warning 'redefine' ;
+use warnings 'redefine' ;
sub fred {}
sub joe {}
*fred = \&joe ;
-no warning 'redefine' ;
+no warnings 'redefine' ;
sub jim {}
*jim = \&joe ;
EXPECT
Subroutine fred redefined at - line 5.
########
# sv.c
-use warning 'printf' ;
+use warnings 'printf' ;
open F, ">".($^O eq 'VMS'? 'NL:' : '/dev/null') ;
printf F "%z\n" ;
my $a = sprintf "%z" ;
$a = sprintf "%" ;
printf F "%\x02" ;
$a = sprintf "%\x02" ;
-no warning 'printf' ;
+no warnings 'printf' ;
printf F "%z\n" ;
$a = sprintf "%z" ;
printf F "%" ;
Invalid conversion in printf: "%\002" at - line 8.
########
# sv.c
-use warning 'unsafe' ;
+use warnings 'misc' ;
*a = undef ;
-no warning 'unsafe' ;
+no warnings 'misc' ;
*b = undef ;
EXPECT
Undefined value assigned to typeglob at - line 3.
########
# sv.c
-use utf8 ;
-$^W =0 ;
-{
- use warning 'utf8' ;
- my $a = rindex "a\xff bc ", "bc" ;
- no warning 'utf8' ;
- $a = rindex "a\xff bc ", "bc" ;
+use warnings 'y2k';
+use Config;
+BEGIN {
+ unless ($Config{ccflags} =~ /Y2KWARN/) {
+ print "SKIPPED\n# perl not built with -DPERL_Y2KWARN";
+ exit 0;
+ }
+ $|=1;
}
-my $a = rindex "a\xff bc ", "bc" ;
+my $x;
+my $yy = 78;
+$x = printf "19%02d\n", $yy;
+$x = sprintf "#19%02d\n", $yy;
+$x = printf " 19%02d\n", 78;
+$x = sprintf "19%02d\n", 78;
+$x = printf "319%02d\n", $yy;
+$x = sprintf "319%02d\n", $yy;
+no warnings 'y2k';
+$x = printf "19%02d\n", $yy;
+$x = sprintf "19%02d\n", $yy;
+$x = printf "19%02d\n", 78;
+$x = sprintf "19%02d\n", 78;
EXPECT
-\xff will produce malformed UTF-8 character; use \x{ff} for that at - line 6.
-Malformed UTF-8 character at - line 6.
-Malformed UTF-8 character at - line 10.
+Possible Y2K bug: %d format string following '19' at - line 16.
+Possible Y2K bug: %d format string following '19' at - line 13.
+1978
+Possible Y2K bug: %d format string following '19' at - line 14.
+Possible Y2K bug: %d format string following '19' at - line 15.
+ 1978
+31978
+1978
+1978
projects / p5sagit/p5-mst-13.2.git / blobdiff