CPAN::Groonga

Group
Extension

Lexical-Importer/t/from_lex_vars/scalar_scope.t 

use warnings;
use strict;

use Test::More tests => 84;

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]";
};

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;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=2)) }
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 2 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	{
		push @values, $foo;
	}
};
is $@, "";
is_deeply \@values, [ 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	{ ; }
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 1 ];

@values = ();
eval q{
	use strict;
	{
		BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	}
	push @values, $foo;
};
isnt $@, "";
is_deeply \@values, [];

@values = ();
eval q{
	no strict;
	{
		BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	}
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ undef ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	{
		BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=2)) }
		push @values, $foo;
	}
};
is $@, "";
is_deeply \@values, [ 2 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	{
		BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=2)) }
	}
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	{
		BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=2)) }
		push @values, $foo;
	}
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 2, 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	package wibble;
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 1 ];

@values = ();
eval q{
	use strict;
	package wibble;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 1 ];

@values = ();
eval q{
	use strict;
	package wibble;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	package main;
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	package wibble;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=2)) }
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 2 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	package wibble;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=2)) }
	package main;
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 2 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	{
		BEGIN { require Lexical::Importer; Lexical::Importer->_unimport_lex_var('$foo') }
		push @values, $foo;
	}
};
isnt $@, "";
is_deeply \@values, [];

@values = ();
eval q{
	no strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	{
		BEGIN { require Lexical::Importer; Lexical::Importer->_unimport_lex_var('$foo') }
		push @values, $foo;
	}
};
is $@, "";
is_deeply \@values, [ undef ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	{
		BEGIN { require Lexical::Importer; Lexical::Importer->_unimport_lex_var('$foo') }
	}
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	{
		BEGIN { require Lexical::Importer; Lexical::Importer->_unimport_lex_var('$foo' => \$foo) }
		push @values, $foo;
	}
};
isnt $@, "";
is_deeply \@values, [];

@values = ();
eval q{
	no strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	{
		BEGIN { require Lexical::Importer; Lexical::Importer->_unimport_lex_var('$foo' => \$foo) }
		push @values, $foo;
	}
};
is $@, "";
is_deeply \@values, [ undef ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	{
		BEGIN { require Lexical::Importer; Lexical::Importer->_unimport_lex_var('$foo' => \$foo) }
	}
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	{
		BEGIN { require Lexical::Importer; Lexical::Importer->_unimport_lex_var('$foo' => \(my$x=1)) }
		push @values, $foo;
	}
};
is $@, "";
is_deeply \@values, [ 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	{
		BEGIN { require Lexical::Importer; Lexical::Importer->_unimport_lex_var('$foo' => \(my$x=1)) }
	}
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	BEGIN { my $x = "foo\x{666}"; $x =~ /foo\p{Alnum}/; }
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	use t::from_lex_vars::scalar_0;
	push @values, $foo;
};
isnt $@, "";
is_deeply \@values, [];

@values = ();
eval q{
	no strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	use t::from_lex_vars::scalar_0n;
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ undef, 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	use t::from_lex_vars::scalar_1;
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	use t::from_lex_vars::scalar_2;
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 2, 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	use t::from_lex_vars::scalar_3;
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	use t::from_lex_vars::scalar_4;
	push @values, $foo;
};
isnt $@, "";
is_deeply \@values, [];

@values = ();
eval q{
	no strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	use t::from_lex_vars::scalar_4n;
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ undef, 1 ];

SKIP: { skip "no lexical propagation into string eval", 12 if "$]" < 5.009003;

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	eval q{
		use strict;
		push @values, $foo;
	};
};
is $@, "";
is_deeply \@values, [ 1 ];

@values = ();
eval q{
	use strict;
	eval q{
		use strict;
		BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	};
	push @values, $foo;
};
isnt $@, "";
is_deeply \@values, [];

@values = ();
eval q{
	no strict;
	eval q{
		no strict;
		BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	};
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ undef ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	eval q{
		use strict;
		BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=2)) }
		push @values, $foo;
	};
};
is $@, "";
is_deeply \@values, [ 2 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	eval q{
		use strict;
		BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=2)) }
	};
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	eval q{
		use strict;
		BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=2)) }
		push @values, $foo;
	};
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 2, 1 ];

}

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	push @values, $foo;
	{
		my $foo = 2;
		push @values, $foo;
		BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=3)) }
		push @values, $foo;
	}
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 1, 2, 3, 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { $SIG{__WARN__} = sub {}; }   # bogus redefinition warning
	my $foo = 1;
	push @values, $foo;
	{
		BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=2)) }
		push @values, $foo;
		my $foo = 3;
		push @values, $foo;
	}
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 1, 2, 3, 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=1)) }
	push @values, $foo;
	{
		our $foo;
		push @values, $foo;
		BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=3)) }
		push @values, $foo;
	}
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ 1, undef, 3, 1 ];

@values = ();
eval q{
	use strict;
	BEGIN { $SIG{__WARN__} = sub {}; }   # bogus redefinition warning
	our $foo;
	push @values, $foo;
	{
		BEGIN { require Lexical::Importer; Lexical::Importer->_import_lex_var('$foo' => \(my$x=2)) }
		push @values, $foo;
		our $foo;
		push @values, $foo;
	}
	push @values, $foo;
};
is $@, "";
is_deeply \@values, [ undef, 2, undef, undef ];

1;
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