use strict; use warnings; use Test2::Tools::Tiny; use Test2::API qw/run_subtest intercept/; my $step = 0; my @callback_calls = (); Test2::API::test2_add_callback_pre_subtest( sub { is( $step, 0, 'pre-subtest callbacks should be invoked before the subtest', ); ++$step; push @callback_calls, [@_]; }, ); run_subtest( (my $subtest_name='some subtest'), (my $subtest_code=sub { is( $step, 1, 'subtest should be run after the pre-subtest callbacks', ); ++$step; }), undef, (my @subtest_args = (1,2,3)), ); is_deeply( \@callback_calls, [[$subtest_name,$subtest_code,@subtest_args]], 'pre-subtest callbacks should be invoked with the expected arguments', ); is( $step, 2, 'the subtest should be run', ); done_testing;