| width='120' | '''Signature'''
|<pre>unit:assert(
$test as item()*,
$info as item() := ()
) as empty-sequence()</pre>
| width='120' | '''Signature'''
|<pre>unit:assert-equals(
$returned as item()*, $expected as item()*,
$info as item() := ()
) as empty-sequence()</pre>