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<!DOCTYPE HTML>
<html>
<head>
  <title>Test for setParameter conversion to XSLT type</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test">
<script>
  let parser = new DOMParser();
  let xml = parser.parseFromString('<?xml version="1.0" encoding="utf-8" ?><root/>', "text/xml");
  let xslt = parser.parseFromString(`<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:param name="test" />
<xsl:template match="/">
  <xsl:value-of select="$test" />
</xsl:template>
</xsl:stylesheet>`, "text/xml");

  let processor = new XSLTProcessor();
  processor.importStylesheet(xslt);

  let callbackCalled = false;
  let param = {
    [Symbol.toPrimitive](hint) {
      callbackCalled = true;
      processor.removeParameter(null, 'test');
      if (hint == 'string') {
        return "Value";
      }
      throw new Error("Not converting to string?");
    }
  };

  processor.setParameter(null, 'test', param);
  ok(callbackCalled, "Parameter was converted during call to setParameter.");
  is(processor.getParameter(null, 'test'), "Value", "processor.removeParameter during string conversion should have no effect.");

  callbackCalled = false;
  processor.transformToDocument(xml);
  ok(!callbackCalled, "Parameter was not converted during call to transformToDocument.");
  is(processor.getParameter(null, 'test'), "Value", "processor.removeParameter during string conversion should have no effect.");
</script>
</pre>
</body>
</html>