| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <body> |
| <script> |
| setup (() => { |
| internals.setMaxNumberOfFramesToTen(true); |
| }) |
| promise_test(async () => { |
| assert_implements("HTMLPortalElement" in self); |
| const beyondLimit = 11; |
| // We should not crash if we exceed the frame limit. |
| for (let i = 0; i < beyondLimit; ++i) { |
| let portal = document.createElement('portal'); |
| portal.src = new URL("resources/simple-portal.html", location.href); |
| document.body.appendChild(portal); |
| } |
| // One extra element for <script>. |
| assert_equals(document.body.childElementCount, beyondLimit + 1); |
| }, "can create many portals"); |
| </script> |
| </body> |
