--- /dev/null
+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
+