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|
use warnings;
use strict;
use Test::More tests => 18;
BEGIN { $^H |= 0x20000 if "$]" < 5.008; }
$SIG{__WARN__} = sub {
return if $_[0] =~ /\AAttempt to free unreferenced scalar[ :]/ &&
"$]" < 5.008004;
die "WARNING: $_[0]";
};
$main::one = 1;
$main::one = 1;
$main::two = 2;
$main::two = 2;
our @values;
@values = ();
eval q{
push @values, ${*foo{SCALAR}};
};
is $@, "";
is_deeply \@values, [ undef ];
@values = ();
eval q{
use Lexical::Var '*foo' => \*one;
push @values, ${*foo{SCALAR}};
};
is $@, "";
is_deeply \@values, [ 1 ];
@values = ();
eval q{
use Lexical::Var '*foo' => \*one;
use Lexical::Var '*foo' => \*two;
push @values, ${*foo{SCALAR}};
};
is $@, "";
is_deeply \@values, [ 2 ];
@values = ();
eval q{
use Lexical::Var '*foo' => \*one;
{
push @values, ${*foo{SCALAR}};
}
};
is $@, "";
is_deeply \@values, [ 1 ];
@values = ();
eval q{
use Lexical::Var '*foo' => \*one;
{ ; }
push @values, ${*foo{SCALAR}};
};
is $@, "";
is_deeply \@values, [ 1 ];
@values = ();
eval q{
{
use Lexical::Var '*foo' => \*one;
}
push @values, ${*foo{SCALAR}};
};
is $@, "";
is_deeply \@values, [ undef ];
@values = ();
eval q{
use Lexical::Var '*foo' => \*one;
{
use Lexical::Var '*foo' => \*two;
push @values, ${*foo{SCALAR}};
}
};
is $@, "";
is_deeply \@values, [ 2 ];
@values = ();
eval q{
use Lexical::Var '*foo' => \*one;
{
use Lexical::Var '*foo' => \*two;
}
push @values, ${*foo{SCALAR}};
};
is $@, "";
is_deeply \@values, [ 1 ];
@values = ();
eval q{
use Lexical::Var '*foo' => \*one;
{
use Lexical::Var '*foo' => \*two;
push @values, ${*foo{SCALAR}};
}
push @values, ${*foo{SCALAR}};
};
is $@, "";
is_deeply \@values, [ 2, 1 ];
1;
|
