{% set ndx_version_output = ndx_version() %}
{% set twig_version_output = twig_version() %}

ndx_version {{ ndx_version_output == expect.ndx_version ? 'works!' : ('returned "' ~ ndx_version_output ~ '" instead of "' ~ expect.ndx_version ~ '".') }}
twig_version {{ twig_version_output == expect.twig_version ? 'works!' : ('returned "' ~ twig_version_output ~ '" instead of "' ~ expect.twig_version ~ '".') }}

global_var = {{ global_var }}

{{ 'meow'|test_filter }}
{{ test_function('the') }}
{{ 'test' is test_test ? 'test works' : 'test does not work' }}

{{ 'Mewow'|data_uri(mime="text/plain") }}
{{ 'Mewow'|data_uri(mime="application/octet-stream") }}

<div class="{{ html_classes('always', {
    'shows-up': true,
    'doesnt': false,
}) }}">yay</div>