xml/xml-prolog-accepted-versions.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>Accepted versions in XML prolog</title>
<link rel="help" href="https://www.w3.org/TR/REC-xml/#sec-prolog-dtd">
<meta name="assert" content="VersionNum production accepts any 1.x version">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
  'use strict';

  function string_to_xml_document(s) {
    let parser = new DOMParser();
    return parser.parseFromString(s, 'text/xml');

  }

  test(function() {
    assert_equals(string_to_xml_document(
                    `<?xml version="1.0"?>
                     <a></a>`
                  ).documentElement.tagName,
                  "a");
  }, "XML 1.0 is accepted");

  test(function() {
    assert_equals(string_to_xml_document(
                    `<?xml version="1.1"?>
                     <b></b>`
                  ).documentElement.tagName,
                  "b");
  }, "XML 1.1 is accepted");

  test(function() {
    assert_equals(string_to_xml_document(
                    `<?xml version="1.2"?>
                     <c></c>`
                  ).documentElement.tagName,
                  "c");
  }, "XML 1.2 is accepted");

  test(function() {
    assert_equals(string_to_xml_document(
                    `<?xml version="1.7"?>
                     <d></d>`
                  ).documentElement.tagName,
                  "d");
  }, "XML 1.7 is accepted");

  test(function() {
    assert_equals(string_to_xml_document(
                    `<?xml version="1.1075"?>
                     <e></e>`
                  ).documentElement.tagName,
                  "e");
  }, "XML 1.1075 is accepted");

  test(function() {
    assert_equals(string_to_xml_document(
                    `<?xml version="1.000"?>
                     <f></f>`
                  ).documentElement.tagName,
                  "f");
  }, "XML 1.000 is accepted");

  test(function() {
    assert_not_equals(string_to_xml_document(
                        `<?xml version="10.0"?>
                         <x></x>`
                      ).documentElement.tagName,
                      "x");
  }, "XML 10.0 is NOT accepted");

  test(function() {
    assert_not_equals(string_to_xml_document(
                        `<?xml version="100"?>
                         <x></x>`
                      ).documentElement.tagName,
                      "x");
  }, "XML 100 is NOT accepted");

  test(function() {
    assert_not_equals(string_to_xml_document(
                        `<?xml version="2.0"?>
                         <x></x>`
                      ).documentElement.tagName,
                      "x");
  }, "XML 2.0 is NOT accepted");

  test(function() {
    assert_not_equals(string_to_xml_document(
                        `<?xml version="17.0"?>
                         <x></x>`
                      ).documentElement.tagName,
                      "x");
  }, "XML 17.0 is NOT accepted");

</script>