presentation-start-error.https.html

<!DOCTYPE html>
<html>
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<button>click me</button>
<script type="module">
import {PresentationErrorType} from '/gen/third_party/blink/public/mojom/presentation/presentation.mojom.m.js';
import {PresentationServiceMock, waitForClick} from './resources/presentation-service-mock.js';

const mock = new PresentationServiceMock();
const button = document.querySelector('button');

promise_test(async _ => {
  mock.startPresentation = async urls => {
    return {
      presentationInfo: null,
      error: {
        errorType: PresentationErrorType.PREVIOUS_START_IN_PROGRESS,
        message: 'Previous start in progress'
      }
    };
  };

  await waitForClick(button);
  const request = new PresentationRequest("https://example.com");
  return request.start().catch(e => assert_equals(e.name, 'OperationError'));
}, "Test that the PresentationRequest.start() rejects with OperationError if PresentationService reports PREVIOUS_START_IN_PROGRESS error");

</script>
</body>
</html>

chromium/third_party/blink/web_tests/wpt_internal/presentation/presentation-start-error.https.html