Alt-Lexical-Var-ButSupportModernPerl/t/array_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 = (undef);
@main::foo = (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, [ undef ];
@values = ();
eval q{
use strict;
use Lexical::Var '@foo' => [1];
push @values, @foo;
};
is $@, "";
is_deeply \@values, [ 1 ];
@values = ();
eval q{
use strict;
use Lexical::Var '@foo' => [1];
use Lexical::Var '@foo' => [2];
push @values, @foo;
};
is $@, "";
is_deeply \@values, [ 2 ];
@values = ();
eval q{
use strict;
use Lexical::Var '@foo' => [1];
{
push @values, @foo;
}
};
is $@, "";
is_deeply \@values, [ 1 ];
@values = ();
eval q{
use strict;
use Lexical::Var '@foo' => [1];
{ ; }
push @values, @foo;
};
is $@, "";
is_deeply \@values, [ 1 ];
@values = ();
eval q{
use strict;
{
use Lexical::Var '@foo' => [1];
}
push @values, @foo;
};
isnt $@, "";
is_deeply \@values, [];
@values = ();
eval q{
no strict;
{
use Lexical::Var '@foo' => [1];
}
push @values, @foo;
};
is $@, "";
is_deeply \@values, [ undef ];
@values = ();
eval q{
use strict;
use Lexical::Var '@foo' => [1];
{
use Lexical::Var '@foo' => [2];
push @values, @foo;
}
};
is $@, "";
is_deeply \@values, [ 2 ];
@values = ();
eval q{
use strict;
use Lexical::Var '@foo' => [1];
{
use Lexical::Var '@foo' => [2];
}
push @values, @foo;
};
is $@, "";
is_deeply \@values, [ 1 ];
@values = ();
eval q{
use strict;
use Lexical::Var '@foo' => [1];
{
use Lexical::Var '@foo' => [2];
push @values, @foo;
}
push @values, @foo;
};
is $@, "";
is_deeply \@values, [ 2, 1 ];
1;