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use strict;
use warnings FATAL => 'all';
use Test::More;
use Test::Warnings ':all';
is(1, 1, 'passing test');
had_no_warnings;
ok(!allowing_warnings, 'warnings are not currently allowed');
allow_warnings;
ok(allowing_warnings, 'warnings are now allowed');
warn 'this warning will not cause a failure';
had_no_warnings;
allow_warnings(0);
ok(!allowing_warnings, 'warnings are not allowed again');
warn 'oh noes, something warned!';
# this will now fail.
had_no_warnings;
# had_no_warnings will be called automatically from END
# done_testing not called... will cause a test failure
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