Alt-Lexical-Var-ButSupportModernPerl/t/hash_scope.t
use warnings;
use strict;
use Test::More tests => 22;
BEGIN { $^H |= 0x20000 if "$]" < 5.008; }
$SIG{__WARN__} = sub {
return if $_[0] =~ /\AVariable \"\%foo\" is not imported /;
return if $_[0] =~ /\AAttempt to free unreferenced scalar[ :]/ &&
"$]" < 5.008004;
die "WARNING: $_[0]";
};
%main::foo = (a=>undef);
%main::foo = (a=>undef);
our @values;
@values = ();
eval q{
use strict;
push @values, %foo;
};
isnt $@, "";
is_deeply \@values, [];
@values = ();
eval q{
no strict;
push @values, %foo;
};
is $@, "";
is_deeply \@values, [ a=>undef ];
@values = ();
eval q{
use strict;
use Lexical::Var '%foo' => {a=>1};
push @values, %foo;
};
is $@, "";
is_deeply \@values, [ a=>1 ];
@values = ();
eval q{
use strict;
use Lexical::Var '%foo' => {a=>1};
use Lexical::Var '%foo' => {a=>2};
push @values, %foo;
};
is $@, "";
is_deeply \@values, [ a=>2 ];
@values = ();
eval q{
use strict;
use Lexical::Var '%foo' => {a=>1};
{
push @values, %foo;
}
};
is $@, "";
is_deeply \@values, [ a=>1 ];
@values = ();
eval q{
use strict;
use Lexical::Var '%foo' => {a=>1};
{ ; }
push @values, %foo;
};
is $@, "";
is_deeply \@values, [ a=>1 ];
@values = ();
eval q{
use strict;
{
use Lexical::Var '%foo' => {a=>1};
}
push @values, %foo;
};
isnt $@, "";
is_deeply \@values, [];
@values = ();
eval q{
no strict;
{
use Lexical::Var '%foo' => {a=>1};
}
push @values, %foo;
};
is $@, "";
is_deeply \@values, [ a=>undef ];
@values = ();
eval q{
use strict;
use Lexical::Var '%foo' => {a=>1};
{
use Lexical::Var '%foo' => {a=>2};
push @values, %foo;
}
};
is $@, "";
is_deeply \@values, [ a=>2 ];
@values = ();
eval q{
use strict;
use Lexical::Var '%foo' => {a=>1};
{
use Lexical::Var '%foo' => {a=>2};
}
push @values, %foo;
};
is $@, "";
is_deeply \@values, [ a=>1 ];
@values = ();
eval q{
use strict;
use Lexical::Var '%foo' => {a=>1};
{
use Lexical::Var '%foo' => {a=>2};
push @values, %foo;
}
push @values, %foo;
};
is $@, "";
is_deeply \@values, [ a=>2, a=>1 ];
1;