<!DOCTYPE html>
<meta charset=urf-8>
<meta name=viewport content="width=device-width,initial-scale=1">
<title>Test dialog form submission</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>

<body>
<dialog id="favDialog">
  <form id="dialogForm" method="dialog">
    <button id="confirmBtn" value="default">Confirm</button>
    <input id="confirmImgBtn" src="./resources/submit.jpg" width="41"
    height="41" type="image" alt="Hello">
  </form>
  <form method="post">
    <input id="confirmImgBtn2" src="./resources/submit.jpg" width="41"
    formmethod="dialog" height="41" type="image" alt="Hello">
  </form>
</dialog>
<script>
promise_test(async () => {
  const dialog = document.querySelector('dialog');
  dialog.showModal();

  const button = document.querySelector('button');
  button.click();

  assert_false(dialog.open, "dialog should be closed now");
  assert_equals(dialog.returnValue, "default", "Return the default value");
}, 'click the form submission button should close the dialog');

promise_test(async () => {
  const dialog = document.querySelector('dialog');
  dialog.showModal();

  const button = document.querySelector('button');
  button.value = "sushi";
  button.click();

  assert_false(dialog.open, "dialog should be closed now");
  assert_equals(dialog.returnValue, "sushi", "Return the updated value");
}, 'form submission should return correct value');

promise_test(async () => {
  const dialog = document.querySelector('dialog');
  dialog.showModal();

  const button = document.querySelector('button');
  button.removeAttribute("value");
  button.click();
  assert_false(dialog.open, "dialog should be closed now");
  assert_not_equals(dialog.returnValue, undefined, "returnValue should not be set");
}, "no returnValue when there's no result.");

promise_test(async () => {
  const dialog = document.querySelector('dialog');
  dialog.showModal();

  const button = document.querySelector('input');
  let expectedReturnValue = "";
  button.addEventListener('click', function(event) {
    expectedReturnValue = event.offsetX + "," + event.offsetY;
  });
  await test_driver.click(button);

  assert_false(dialog.open, "dialog should be closed now");
  assert_not_equals(dialog.returnValue, "", "returnValue shouldn't be empty string");
  assert_equals(dialog.returnValue, expectedReturnValue, "returnValue should be the offsets of the click");
}, "input image button should return the coordinates");

promise_test(async () => {
  const dialog = document.querySelector('dialog');
  dialog.showModal();
  const button = document.getElementById('confirmImgBtn2');
  await test_driver.click(button);
  assert_false(dialog.open, "dialog should be closed now");
}, "formmethod attribute should use dialog form submission");

promise_test(async () => {
  const dialog = document.querySelector('dialog');
  dialog.returnValue = "";
  dialog.showModal();

  const button = document.querySelector('button');
  button.value = "sushi";

  const dialogForm = document.getElementById('dialogForm');
  dialogForm.onsubmit = function() {
    dialog.close();
  }

  button.click();
  assert_false(dialog.open, "dialog should be closed now");
  // If the submission request got processed, the returnValue should change
  // to "sushi" because that's the value of the submitter
  assert_equals(dialog.returnValue, "", "dialog's returnValue remains the same");
}, "closing the dialog while submitting should stop the submission");

promise_test(async () => {
  const dialog = document.querySelector('dialog');
  dialog.returnValue = undefined;
  dialog.showModal();

  let submitEvent = false;
  const dialogForm = document.getElementById('dialogForm');
  dialogForm.onsubmit = function() {
    submitEvent = true;
    assert_false(dialog.open, "dialog should be closed");
    assert_equals(dialog.returnValue, "", "dialog's returnValue remains the same");
  };

  const button = document.querySelector('button');
  button.value = "sushi";
  button.onclick = function() {
    dialogForm.submit();
    assert_false(dialog.open, "dialog should be closed now");
    // The returnValue should be "" because there is no submitter
    assert_equals(dialog.returnValue, "", "returnValue shouldn be empty string");
  };

  button.click();
  assert_true(submitEvent, "Should have submit event");
  assert_false(dialog.open, "dialog should be closed");
  assert_equals(dialog.returnValue, "", "dialog's returnValue remains the same");
}, "calling form.submit() in click handler of submit button should start the submission synchronously");

</script>
</body>
