Check default warnings
__END__
# default warnings should be displayed if you don't add anything
# optional shouldn't
my $a = oct "7777777777777777777777777777777777779" ;
EXPECT
Integer overflow in octal number at - line 3.
########
# no warnings should be displayed
no warnings ;
my $a = oct "7777777777777777777777777777777777778" ;
EXPECT
########
# all warnings should be displayed
use warnings ;
my $a = oct "7777777777777777777777777777777777778" ;
EXPECT
Integer overflow in octal number at - line 3.
Illegal octal digit '8' ignored at - line 3.
Octal number > 037777777777 non-portable at - line 3.
########
# check scope
use warnings ;
my $a = oct "7777777777777777777777777777777777778" ;
{
no warnings ;
my $a = oct "7777777777777777777777777777777777778" ;
}
my $c = oct "7777777777777777777777777777777777778" ;
EXPECT
Integer overflow in octal number at - line 3.
Illegal octal digit '8' ignored at - line 3.
Octal number > 037777777777 non-portable at - line 3.
Integer overflow in octal number at - line 8.
Illegal octal digit '8' ignored at - line 8.
Octal number > 037777777777 non-portable at - line 8.
########
# all warnings should be displayed
use warnings ;
my $a = oct "0xfffffffffffffffffg" ;
EXPECT
Integer overflow in hexadecimal number at - line 3.
Illegal hexadecimal digit 'g' ignored at - line 3.
Hexadecimal number > 0xffffffff non-portable at - line 3.
########
# all warnings should be displayed
use warnings ;
my $a = oct "0b111111111111111111111111111111111111111111111111111111111111111112";
EXPECT
Integer overflow in binary number at - line 3.
Illegal binary digit '2' ignored at - line 3.
Binary number > 0b11111111111111111111111111111111 non-portable at - line 3.
########
# Check scope of pragma with eval
use warnings;
{
no warnings ;
eval '
my $a = oct "0xfffffffffffffffffg" ;
'; print STDERR $@ ;
my $a = oct "0xfffffffffffffffffg" ;
}
EXPECT
########
# Check scope of pragma with eval
use warnings;
{
no warnings ;
eval q[
use warnings ;
my $a = oct "0xfffffffffffffffffg" ;
]; print STDERR $@;
my $a = oct "0xfffffffffffffffffg" ;
}
EXPECT
Integer overflow in hexadecimal number at (eval 1) line 3.
Illegal hexadecimal digit 'g' ignored at (eval 1) line 3.
Hexadecimal number > 0xffffffff non-portable at (eval 1) line 3.
########
# Check scope of pragma with eval
no warnings;
{
use warnings ;
eval '
my $a = oct "0xfffffffffffffffffg" ;
'; print STDERR $@ ;
}
EXPECT
Integer overflow in hexadecimal number at (eval 1) line 2.
Illegal hexadecimal digit 'g' ignored at (eval 1) line 2.
Hexadecimal number > 0xffffffff non-portable at (eval 1) line 2.
########
# Check scope of pragma with eval
no warnings;
{
use warnings;
eval '
no warnings ;
my $a = oct "0xfffffffffffffffffg" ;
'; print STDERR $@ ;
}
EXPECT
########
# Check scope of pragma with eval
no warnings;
{
use warnings 'deprecated' ;
eval '
my $a = oct "0xfffffffffffffffffg" ;
'; print STDERR $@;
}
EXPECT