nimcheck/tests/fixtures/xml/edge_cases.xml

<?xml version="1.0" encoding="UTF-8"?>
<!-- Unicode comment: 你好世界 🌍🚀 -->
<edge-cases>
    <!-- Unicode content -->
    <unicode>こんにちは世界🌍🚀</unicode>

    <!-- Null byte in content (will be truncated by XML parser) -->
    <null-bytes>hello&#x0;world</null-bytes>

    <!-- Deeply nested elements -->
    <level1>
        <level2>
            <level3>
                <level4>
                    <level5>
                        <level6>
                            <level7>
                                <level8>
                                    <value>deep</value>
                                </level8>
                            </level7>
                        </level6>
                    </level5>
                </level4>
            </level3>
        </level2>
    </level1>

    <!-- Very long string content -->
    <long-string>xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx</long-string>

    <!-- BOM prefix (encoded) -->
    <bom>&#xEF;&#xBB;&#xBF;Hi</bom>

    <!-- Special characters -->
    <special-chars>&amp;&lt;&gt;&quot;&apos;</special-chars>

    <!-- CDATA with special content -->
    <cdata-example><![CDATA[<script>alert("xss")</script>]]></cdata-example>

    <!-- Deep attribute nesting (flat but many attributes) -->
    <multi-attrs a="1" b="2" c="3" d="4" e="5" f="6" g="7" h="8" i="9" j="10" k="11" l="12" m="13" n="14" o="15" p="16" q="17" r="18" s="19" t="20">many-attrs</multi-attrs>

    <!-- Mixed content -->
    <mixed>Some text <child>with child</child> and more text <another/> trailing.</mixed>
</edge-cases>