use strict; use warnings; use Test2::Util qw/CAN_THREAD/; BEGIN { unless(CAN_THREAD) { require Test::More; Test::More->import(skip_all => "threads are not supported"); } } use threads; my @warns; { local $SIG{__WARN__} = sub { push @warns => @_ }; require Test::More; } Test::More::is_deeply(\@warns, [], "No init warning"); Test::More::done_testing();