{
  "allowlist": "{\"p\":[],\"br\":[],\"strong\":[],\"em\":[],\"u\":[],\"s\":[],\"code\":[],\"pre\":[],\"ul\":[],\"ol\":[],\"li\":[],\"h1\":[],\"h2\":[],\"h3\":[],\"h4\":[],\"blockquote\":[],\"a\":[\"href\",\"title\"]}",
  "cases": [
    {
      "name": "01-pass-through-list",
      "input":    "<ol><li><strong>x</strong></li></ol>",
      "expected": "<ol><li><strong>x</strong></li></ol>"
    },
    {
      "name": "02-paragraphs-with-bold",
      "input":    "<p>hello <strong>world</strong></p><p>second</p>",
      "expected": "<p>hello <strong>world</strong></p><p>second</p>"
    },
    {
      "name": "03-pre-code-block",
      "input":    "<pre><code>npm install</code></pre>",
      "expected": "<pre><code>npm install</code></pre>"
    },
    {
      "name": "04-allowed-https-link",
      "input":    "<a href=\"https://example.com\">click</a>",
      "expected": "<a href=\"https://example.com\">click</a>"
    },
    {
      "name": "05-allowed-anchor-link",
      "input":    "<a href=\"#section\">jump</a>",
      "expected": "<a href=\"#section\">jump</a>"
    },
    {
      "name": "06-javascript-scheme-blocked",
      "input":    "<a href=\"javascript:alert(1)\">click</a>",
      "expected": "<a>click</a>"
    },
    {
      "name": "07-about-scheme-blocked",
      "input":    "<a href=\"about:blank#x\">click</a>",
      "expected": "<a>click</a>"
    },
    {
      "name": "08-data-uri-blocked",
      "input":    "<a href=\"data:text/html,<script>alert(1)</script>\">x</a>",
      "expected": "<a>x</a>"
    },
    {
      "name": "09-script-content-dropped",
      "input":    "before<script>alert(1)</script>after",
      "expected": "beforeafter"
    },
    {
      "name": "10-iframe-content-dropped",
      "input":    "<iframe src=\"evil\">junk</iframe>safe",
      "expected": "safe"
    },
    {
      "name": "11-form-content-dropped",
      "input":    "<form action=\"/steal\">x</form>safe",
      "expected": "safe"
    },
    {
      "name": "12-img-with-onerror-dropped",
      "input":    "<img src=x onerror=alert(2)>",
      "expected": ""
    },
    {
      "name": "13-comment-injection-bypass-blocked",
      "input":    "<form action=\"-->junk\">x</form>safe",
      "expected": "safe"
    },
    {
      "name": "14-mixed-legit-and-attack",
      "input":    "<p>hello</p><script>alert(1)</script><p>world</p>",
      "expected": "<p>hello</p><p>world</p>"
    },
    {
      "name": "15-pre-encoded-entities-preserved",
      "input":    "&lt;script&gt;alert(1)&lt;/script&gt;",
      "expected": "&lt;script&gt;alert(1)&lt;/script&gt;"
    },
    {
      "name": "16-unicode-in-href-preserved",
      "input":    "<a href=\"https://example.com/?q=日本語\">x</a>",
      "expected": "<a href=\"https://example.com/?q=日本語\">x</a>"
    },
    {
      "name": "17-unclosed-tag-passes-through",
      "input":    "<p>unclosed",
      "expected": "<p>unclosed"
    },
    {
      "name": "18-onclick-attribute-stripped-tag-survives",
      "input":    "<p onclick=\"x\">hi</p>",
      "expected": "<p>hi</p>"
    },
    {
      "name": "19-tab-bypass-in-scheme-blocked",
      "input":    "<a href=\"java\tscript:alert(1)\">x</a>",
      "expected": "<a>x</a>"
    },
    {
      "name": "20-uppercase-tag-and-attr-normalised",
      "input":    "<A HREF=\"https://example.com\">x</A>",
      "expected": "<a href=\"https://example.com\">x</a>"
    },
    {
      "name": "21-style-content-dropped",
      "input":    "<style>body{display:none}</style>visible",
      "expected": "visible"
    },
    {
      "name": "22-object-content-dropped",
      "input":    "<object data=\"x.swf\">flash</object>safe",
      "expected": "safe"
    },
    {
      "name": "23-svg-onload-dropped",
      "input":    "<svg onload=\"alert(1)\"><circle r=\"5\"/></svg>safe",
      "expected": "safe"
    },
    {
      "name": "24-blockquote-passthrough",
      "input":    "<blockquote>quoted text</blockquote>",
      "expected": "<blockquote>quoted text</blockquote>"
    },
    {
      "name": "25-headings-passthrough",
      "input":    "<h1>title</h1><h2>section</h2>",
      "expected": "<h1>title</h1><h2>section</h2>"
    },
    {
      "name": "26-attribute-value-with-gt-byte",
      "input":    "<a href=\"https://example.com/?q=1>2\" title=\"a > b\">x</a>",
      "expected": "<a href=\"https://example.com/?q=1&gt;2\" title=\"a &gt; b\">x</a>"
    },
    {
      "name": "27-nested-script-after-text",
      "input":    "lead<p>para</p><script>alert(1)</script>tail",
      "expected": "lead<p>para</p>tail"
    },
    {
      "name": "28-empty-input",
      "input":    "",
      "expected": ""
    },
    {
      "name": "29-plain-text",
      "input":    "just text, no tags",
      "expected": "just text, no tags"
    }
  ]
}