sethtml-form-owner.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /sanitizer-api/sethtml-form-owner.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<head>

<title>Form owner after the form element is replaced with its children</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

</head>

<body>

<script>

const input = '<form id="f"><input name="i"></form>';

test(t => {

  const div = document.createElement("div");

  div.setHTMLUnsafe(input);

  const form = div.firstChild;

  assert_equals(form.localName, "form");

  assert_equals(form.firstChild.form, form);

}, "Without a sanitizer, the input's form owner is the parsed form");

test(t => {

  const div = document.createElement("div");

  div.setHTMLUnsafe(input,

    { sanitizer: { replaceWithChildrenElements: ["form"] } });

  assert_equals(div.childNodes.length, 1);

  const control = div.firstChild;

  assert_equals(control.localName, "input");

  assert_equals(control.name, "i");

  assert_equals(control.form, null);

}, "With the form replaced with its children, the input has no form owner");

// The form element pointer condition is only reachable in a full document

// parse, i.e. parseHTMLUnsafe().

test(t => {

  const doc = Document.parseHTMLUnsafe(input);

  const form = doc.querySelector("form");

  assert_not_equals(form, null);

  assert_equals(doc.querySelector("input").form, form);

}, "parseHTMLUnsafe(): without a sanitizer, the input's form owner is the parsed form");

test(t => {

  const doc = Document.parseHTMLUnsafe(input,

    { sanitizer: { replaceWithChildrenElements: ["form"] } });

  assert_equals(doc.querySelector("form"), null);

  const control = doc.querySelector("input");

  assert_not_equals(control, null);

  assert_equals(control.name, "i");

  assert_equals(control.form, null);

}, "parseHTMLUnsafe(): with the form replaced with its children, the input has no form owner");

</script>

</body>