Bug 1557370 [wpt PR 16811] - html: Add a testcase for submit event re…

…entrancy protection, a=testonly

Automatic update from web-platform-tests
html: Add a testcase for submit event reentrancy protection (#16811)

Specification change: whatwg/html#4621

--

wp5At-commits: 7ffd31b4eb23f0d99d5333ae2056b8c6896f463b
wpt-pr: 16811

testing/web-platform/tests/html/semantics/forms/form-submission-0/form-submission-algorithm.html

@@ -18,22 +18,53 @@
   assert_equals(counter, 2);
 }, 'If constructing entry list flag of form is true, then return');
 
-let test10 = async_test('Cannot navigate (after constructing the entry list)');
-test10.step(() => {
+
+test(() => {
+  let form = populateForm('<input required><input type=submit><button type=submit></button>');
+  let submitter1 = form.querySelector('input[type=submit]');
+  let submitter2 = form.querySelector('button[type=submit]');
+  let invalid = form.querySelector('[required]');
+  let counter = 0;
+  invalid.oninvalid = () => {
+    ++counter;
+    // Needs to click different one because click() has reentrancy protection.
+    submitter2.click();
+  };
+  submitter1.click();
+  assert_equals(counter, 1);
+}, "If form's firing submission events is true, then return; 'invalid' event");
+
+async_test(t => {
+  let form = populateForm('<input type=submit name=n value=i><button type=submit name=n value=b>');
+  let submitter1 = form.querySelector('input[type=submit]');
+  let submitter2 = form.querySelector('button[type=submit]');
+  let iframe = form.previousSibling;
+  form.onsubmit = () => {
+    // Needs to click different one because click() has reentrancy protection.
+    submitter2.click();
+  };
+  submitter1.click();
+  // We actually submit the form in order to check which 'click()' submits it.
+  iframe.onload = t.step_func_done(() => {
+    assert_not_equals(iframe.contentWindow.location.search.indexOf('n=i'), -1);
+  });
+}, "If form's firing submission events is true, then return; 'submit' event");
+
+async_test(t => {
   let form = populateForm('<input name=n1 value=v1>');
   form.onformdata = (e) => { e.target.remove(); };
   let wasLoaded = false;
   let iframe = form.previousSibling;
   // Request to load '/common/dummy.xhtml', and immediately submit the form to
   // the same frame. If the form submission is aborted, the first request
   // will be completed.
-  iframe.onload = test10.step_func_done(() => {
+  iframe.onload = t.step_func_done(() => {
     wasLoaded = true;
     assert_true(iframe.contentWindow.location.search.indexOf('n1=v1') == -1);
   });
   iframe.src = '/common/dummy.xhtml';
   assert_false(wasLoaded, 'Make sure the first loading is ongoing.');
   form.submit();
-});
+}, 'Cannot navigate (after constructing the entry list)');
 </script>
 </body>