<?xml version="1.0" encoding="UTF-8"?>
<t:test expected="pass"
        xmlns:t="http://xproc.org/ns/testsuite/3.0">
   <t:info>
      <t:title>Step available 028 (AB)</t:title>
      <t:revision-history>
         <t:revision>
            <t:date>2021-12-18</t:date>
            <t:author>
               <t:name>Achim Berndzen</t:name>
            </t:author>
            <t:description xmlns="http://www.w3.org/1999/xhtml">
               <p>Test added.</p>
            </t:description>
         </t:revision>
      </t:revision-history>
   </t:info>
   <t:description xmlns="http://www.w3.org/1999/xhtml">
      <p>Tests function p:step-available, forward reference, use-when=false.</p>
   </t:description>
   <t:pipeline>
      <p:declare-step name="main"
                      version="3.0"
                      xmlns:p="http://www.w3.org/ns/xproc"
                      xmlns:ex="http://some-extension.org">
         <p:output port="result"/>
         <p:option name="opt" select="p:step-available('ex:test')" static="true"/>
         
         <p:declare-step type="ex:test" use-when="false()">
            <p:identity>
               <p:with-input><dummy /></p:with-input>
            </p:identity>
         </p:declare-step>
         
         <p:identity>
            <p:with-input><result>{$opt}</result></p:with-input>
         </p:identity>
      </p:declare-step>
   </t:pipeline>
   <t:schematron>
      <s:schema queryBinding="xslt2"
                xmlns:s="http://purl.oclc.org/dsdl/schematron"
                xmlns="http://www.w3.org/1999/xhtml">
         <s:pattern>
            <s:rule context="/">
               <s:assert test="result">The document root is not “result”.</s:assert>
               <s:assert test="result/text()='false'">Step is visible.</s:assert>
            </s:rule>
         </s:pattern>
      </s:schema>
   </t:schematron>
</t:test>