source: trunk/essentials/dev-lang/perl/t/lib/strict/vars

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[