Check strict vars functionality

__END__

# no strict, should build & run ok.

Fred ;

my $fred ;

$b = "fred" ;

$a = $$b ;

EXPECT

########

use strict qw(subs refs) ;

$fred ;

EXPECT

########

use strict ;

no strict 'vars' ;

$fred ;

EXPECT

########

# strict vars - no error

use strict 'vars' ;

use vars qw( $freddy) ;

BEGIN { *freddy = \$joe::shmoe; }

$freddy = 2 ;

EXPECT

########

# strict vars - no error

use strict 'vars' ;

use vars qw( $freddy) ;

local $abc::joe ;

my $fred ;

my $b = \$fred ;

$Fred::ABC = 1 ;

$freddy = 2 ;

EXPECT

########

# strict vars - error

use strict ;

$fred ;

EXPECT

Global symbol "$fred" requires explicit package name at - line 4.

Execution of - aborted due to compilation errors.

########

# strict vars - error

use strict 'vars' ;

<$fred> ;

EXPECT

Global symbol "$fred" requires explicit package name at - line 4.

Execution of - aborted due to compilation errors.

########

# strict vars - error

use strict 'vars' ;

local $fred ;

EXPECT

Global symbol "$fred" requires explicit package name at - line 4.

Execution of - aborted due to compilation errors.

########

# Check compile time scope of strict vars pragma

use strict 'vars' ;

{

no strict ;

$joe = 1 ;

}

$joe = 1 ;

EXPECT

Variable "$joe" is not imported at - line 8.

Global symbol "$joe" requires explicit package name at - line 8.

Execution of - aborted due to compilation errors.

########

# Check compile time scope of strict vars pragma

no strict;

{

use strict 'vars' ;

$joe = 1 ;

}

$joe = 1 ;

EXPECT

Global symbol "$joe" requires explicit package name at - line 6.

Execution of - aborted due to compilation errors.

########

--FILE-- abc

$joe = 1 ;

1;

--FILE--

use strict 'vars' ;

require "./abc";

EXPECT

########

--FILE-- abc

use strict 'vars' ;

1;

--FILE--

require "./abc";

$joe = 1 ;

EXPECT

########

--FILE-- abc

use strict 'vars' ;

$joe = 1 ;

1;

--FILE--

$joe = 1 ;

require "./abc";

EXPECT

Variable "$joe" is not imported at ./abc line 2.

Global symbol "$joe" requires explicit package name at ./abc line 2.

Compilation failed in require at - line 2.

########

--FILE-- abc.pm

use strict 'vars' ;

$joe = 1 ;

1;

--FILE--

$joe = 1 ;

use abc;

EXPECT

Variable "$joe" is not imported at abc.pm line 2.

Global symbol "$joe" requires explicit package name at abc.pm line 2.

Compilation failed in require at - line 2.

BEGIN failed--compilation aborted at - line 2.

########

--FILE-- abc.pm

package Burp;

use strict;

$a = 1;$f = 1;$k = 1; # just to get beyond the limit...

$b = 1;$g = 1;$l = 1;

$c = 1;$h = 1;$m = 1;

$d = 1;$i = 1;$n = 1;

$e = 1;$j = 1;$o = 1;

$p = 0b12;

--FILE--

use abc;

EXPECT

Global symbol "$f" requires explicit package name at abc.pm line 3.

Global symbol "$k" requires explicit package name at abc.pm line 3.

Global symbol "$g" requires explicit package name at abc.pm line 4.

Global symbol "$l" requires explicit package name at abc.pm line 4.

Global symbol "$c" requires explicit package name at abc.pm line 5.

Global symbol "$h" requires explicit package name at abc.pm line 5.

Global symbol "$m" requires explicit package name at abc.pm line 5.

Global symbol "$d" requires explicit package name at abc.pm line 6.

Global symbol "$i" requires explicit package name at abc.pm line 6.

Global symbol "$n" requires explicit package name at abc.pm line 6.

Global symbol "$e" requires explicit package name at abc.pm line 7.

Global symbol "$j" requires explicit package name at abc.pm line 7.

Global symbol "$o" requires explicit package name at abc.pm line 7.

Global symbol "$p" requires explicit package name at abc.pm line 8.

Illegal binary digit '2' at abc.pm line 8, at end of line

abc.pm has too many errors.

Compilation failed in require at - line 1.

BEGIN failed--compilation aborted at - line 1.

########

# Check scope of pragma with eval

no strict ;

eval {

$joe = 1 ;

};

print STDERR $@;

$joe = 1 ;

EXPECT

########

# Check scope of pragma with eval

no strict ;

eval {

use strict 'vars' ;

$joe = 1 ;

};

print STDERR $@;

$joe = 1 ;

EXPECT

Global symbol "$joe" requires explicit package name at - line 6.

Execution of - aborted due to compilation errors.

########

# Check scope of pragma with eval

use strict 'vars' ;

eval {

$joe = 1 ;

};

print STDERR $@;

$joe = 1 ;

EXPECT

Global symbol "$joe" requires explicit package name at - line 5.

Global symbol "$joe" requires explicit package name at - line 8.

Execution of - aborted due to compilation errors.

########

# Check scope of pragma with eval

use strict 'vars' ;

eval {

no strict ;

$joe = 1 ;

};

print STDERR $@;

$joe = 1 ;

EXPECT

Variable "$joe" is not imported at - line 9.

Global symbol "$joe" requires explicit package name at - line 9.

Execution of - aborted due to compilation errors.

########

# Check scope of pragma with eval

no strict ;

eval '

$joe = 1 ;

'; print STDERR $@ ;

$joe = 1 ;

EXPECT

########

# Check scope of pragma with eval

no strict ;

eval q[

use strict 'vars' ;

$joe = 1 ;

]; print STDERR $@;

EXPECT

Global symbol "$joe" requires explicit package name at (eval 1) line 3.

########

# Check scope of pragma with eval

use strict 'vars' ;

eval '

$joe = 1 ;

'; print STDERR $@ ;

EXPECT

Global symbol "$joe" requires explicit package name at (eval 1) line 2.

########

# Check scope of pragma with eval

use strict 'vars' ;

eval '

no strict ;

$joe = 1 ;

'; print STDERR $@;

$joe = 1 ;

EXPECT

Global symbol "$joe" requires explicit package name at - line 8.

Execution of - aborted due to compilation errors.

########

# Check if multiple evals produce same errors

use strict 'vars';

my $ret = eval q{ print $x; };

print $@;

print "ok 1\n" unless defined $ret;

$ret = eval q{ print $x; };

print $@;

print "ok 2\n" unless defined $ret;

EXPECT

Global symbol "$x" requires explicit package name at (eval 1) line 1.

ok 1

Global symbol "$x" requires explicit package name at (eval 2) line 1.

ok 2

########

# strict vars with outer our - no error

use strict 'vars' ;

our $freddy;

local $abc::joe ;

my $fred ;

my $b = \$fred ;

$Fred::ABC = 1 ;

$freddy = 2 ;

EXPECT

########

# strict vars with inner our - no error

use strict 'vars' ;

sub foo {

our $fred;

$fred;

}

EXPECT

########

# strict vars with outer our, inner use - no error

use strict 'vars' ;

our $fred;

sub foo {

$fred;

}

EXPECT

########

# strict vars with nested our - no error

use strict 'vars' ;

our $fred;

sub foo {

our $fred;

$fred;

}

$fred ;

EXPECT

########

# strict vars with elapsed our - error

use strict 'vars' ;

sub foo {

our $fred;

$fred;

}

$fred ;

EXPECT

Variable "$fred" is not imported at - line 8.

Global symbol "$fred" requires explicit package name at - line 8.

Execution of - aborted due to compilation errors.

########

# nested our with local - no error

$fred = 1;

use strict 'vars';

{

local our $fred = 2;

print $fred,"\n";

}

print our $fred,"\n";

EXPECT

2

1

########

# "nailed" our declaration visibility across package boundaries

use strict 'vars';

our $foo;

$foo = 20;

package Foo;

print $foo, "\n";

EXPECT

20

########

# multiple our declarations in same scope, different packages, no warning

use strict 'vars';

use warnings;

our $foo;

${foo} = 10;

package Foo;

our $foo = 20;

print $foo, "\n";

EXPECT

20

########

# multiple our declarations in same scope, same package, warning

use strict 'vars';

use warnings;

our $foo;

${foo} = 10;

our $foo;

EXPECT

"our" variable $foo masks earlier declaration in same scope at - line 7.

########

# multiple our declarations in same scope, same package, warning

use strict 'vars';

use warnings;

{ our $x = 1 }

{ our $x = 0 }

our $foo;

{

our $foo;

package Foo;

our $foo;

}

EXPECT

"our" variable $foo redeclared at - line 9.

(Did you mean "local" instead of "our"?)

Name "Foo::foo" used only once: possible typo at - line 11.

########

--FILE-- abc

ok

--FILE--

# check if our variables are introduced correctly in readline()

package Foo;

use strict 'vars';

our $FH;

open $FH, "abc" or die "Can't open 'abc': $!";

print <$FH>;

close $FH;

EXPECT

ok

########

# Make sure the strict vars failure still occurs

# now that the `@i should be written as \@i' failure does not occur

# 20000522 mjd@plover.com (MJD)

use strict 'vars';

no warnings;

"@i_like_crackers";

EXPECT

Global symbol "@i_like_crackers" requires explicit package name at - line 7.

Execution of - aborted due to compilation errors.