submit-form-not-attached-to-document.html

<!DOCTYPE html>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<body>
  <form action="javascript: redirect()"></form>
<script>
var f1 = document.forms[0];
test(function() {
  f1.parentNode.removeChild(f1);
  f1.submit();
}, 'Submitting a form that has been removed.');

var f2 = document.createElement('form');
f2.action = "javascript: redirect()";
test(function() {
  f2.submit();
}, 'Submitting a form that has never been attached to the document.');

document.body.appendChild(f2);
var f3 = f2.cloneNode(true);
f2.action = "javascript: submit_success()";
f3.action = "javascript: redirect()";
test(function() {
  f2.submit();
}, 'Submitting a form that is attached to the document.');

test(function() {
  f3.submit();
}, 'Submitting a form cloned from a form that is attached to the document.');

function redirect() {
  assert_unreached('A form should never be submitted if it is not attached to the document.');
}

function submit_success() {
  assert_true(true, 'A form that is attached to the document should be submitted.');
}

</script>
</body>

chromium/third_party/blink/web_tests/fast/forms/submit-form-not-attached-to-document.html