1 files changed, 30 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/forms/form-submission-0/jsurl-navigation-then-form-submit.html b/testing/web-platform/tests/html/semantics/forms/form-submission-0/jsurl-navigation-then-form-submit.html
new file mode 100644
index 0000000000..93a4ea6004
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/forms/form-submission-0/jsurl-navigation-then-form-submit.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<link rel="author" title="Joey Arhar" href="mailto:jarhar@chromium.org">
+
+<!-- The expected behavior of this test is not explicitly specified. -->
+
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+
+<script>
+async_test(t => {
+  window.onload = t.step_func(() => {
+    const iframe = document.createElement('iframe');
+    iframe.name = 'myframe';
+
+    iframe.onload = t.step_func_done(() => {
+      assert_equals(iframe.contentDocument.location.pathname, '/formaction.html');
+    });
+
+    const form = document.createElement('form');
+    form.target = iframe.name;
+    form.action = '/formaction.html';
+    document.body.appendChild(form);
+
+    iframe.src = 'javascript:false';
+    document.body.appendChild(iframe);
+    form.submit();
+  });
+}, 'Verifies that form submissions cancel javascript navigations to prevent duplicate load events.');
+</script>