--- /dev/null
+#!/usr/bin/env perl
+use strict;
+use warnings;
+use Test::More;
+
+use Eval::Closure;
+
+use Test::Requires 'PadWalker';
+
+{
+ my $foo = [];
+ my $env = { '$foo' => \$foo };
+
+ my $code = eval_closure(
+ source => 'sub { push @$foo, @_ }',
+ environment => $env,
+ );
+ is_deeply(scalar(PadWalker::closed_over($code)), $env,
+ "closed over the right things");
+}
+
+{
+ my $foo = {};
+ my $bar = [];
+ my $env = { '$foo' => \$bar, '$bar' => \$foo };
+
+ my $code = eval_closure(
+ source => 'sub { push @$foo, @_; $bar->{foo} = \@_ }',
+ environment => $env,
+ );
+ is_deeply(scalar(PadWalker::closed_over($code)), $env,
+ "closed over the right things");
+}
+
+{
+ local $TODO = "we still have to close over \$__captures";
+ my $foo = [];
+ my $env = { '$foo' => \$foo };
+
+ my $code = eval_closure(
+ source => 'sub { push @$foo, @_; return $__captures }',
+ environment => $env,
+ );
+ is_deeply(scalar(PadWalker::closed_over($code)), $env,
+ "closed over the right things");
+}
+
+# it'd be nice if we could test that closing over other things wasn't possible,
+# but perl's optimizer gets in the way of that
+
+done_testing;