ElementInternals-setValidity-normalize-newlines.html

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /custom-elements/form-associated/ElementInternals-setValidity-normalize-newlines.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>ElementInternals: setValidity() normalizes newlines in the given message</title>

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

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

<script>

class MyControl extends HTMLElement {

  static get formAssociated() { return true; }

  constructor() {

    super();

    this.internals_ = this.attachInternals();

  get i() { return this.internals_; }

customElements.define('my-control', MyControl);

const message = 'First line\rSecond line\r\nThird line\nFourth line';

const normalized = 'First line\nSecond line\nThird line\nFourth line';

test(() => {

  const control = new MyControl();

  control.i.setValidity({customError: true}, message);

  assert_equals(control.i.validationMessage, normalized);

}, 'setValidity() should normalize newlines with the customError flag set');

test(() => {

  const control = new MyControl();

  control.i.setValidity({valueMissing: true}, message);

  assert_equals(control.i.validationMessage, normalized);

}, 'setValidity() should normalize newlines with another validity flag set');

</script>