use strict; use warnings; use lib 't/lib'; use Test::Tester; use MyTest; my $test = Test::Builder->new; $test->plan(tests => 2); sub deeper { MyTest::ok(1); } { my @results = run_tests( sub { MyTest::ok(1); deeper(); } ); local $Test::Builder::Level = 0; $test->is_num($results[1]->{depth}, 1, "depth 1"); $test->is_num($results[2]->{depth}, 2, "deeper"); }