buffer-reflection.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:
- /html/dom/partial-updates/tentative/fragment/buffer-reflection.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>Declarative Fragment: buffer attribute reflection</title>

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

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

<body>

<script>

test(() => {

  const template = document.createElement('template');

  // Verify default value is false

  assert_equals(template.buffer, false, "default buffer value should be false");

  assert_false(template.hasAttribute('buffer'), "default state should not have buffer attribute");

  // Verify setting property to true sets attribute

  template.buffer = true;

  assert_equals(template.buffer, true, "setting buffer to true should update property");

  assert_true(template.hasAttribute('buffer'), "setting buffer to true should add buffer attribute");

  assert_equals(template.getAttribute('buffer'), '', "buffer attribute should be empty string (boolean attribute)");

  // Verify setting property to false removes attribute

  template.buffer = false;

  assert_equals(template.buffer, false, "setting buffer to false should update property");

  assert_false(template.hasAttribute('buffer'), "setting buffer to false should remove buffer attribute");

  // Verify setting attribute updates property

  template.setAttribute('buffer', '');

  assert_equals(template.buffer, true, "setting buffer attribute should update property to true");

  template.removeAttribute('buffer');

  assert_equals(template.buffer, false, "removing buffer attribute should update property to false");

}, "HTMLTemplateElement.buffer IDL attribute reflects the buffer content attribute");

</script>

</body>