| <!DOCTYPE html> |
| <meta charset=utf-8> |
| <meta name="viewport" content="width=device-width,initial-scale=1"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/get-host-info.sub.js"></script> |
| <script src="./resources/intersection-observer-test-utils.js"></script> |
| <iframe id="iframe"></iframe> |
| <script> |
| promise_test(async t => { |
| iframe.src = |
| get_host_info().HTTP_NOTSAMESITE_ORIGIN + "/intersection-observer/resources/cross-origin-child-iframe.sub.html"; |
| |
| const rootBounds = await new Promise(resolve => { |
| window.addEventListener("message", event => resolve(event.data)); |
| }, { once: true } ); |
| |
| assert_equals(rootBounds.left, 0); |
| assert_equals(rootBounds.top, 0); |
| assert_equals(rootBounds.right, document.documentElement.clientWidth); |
| assert_equals(rootBounds.bottom, document.documentElement.clientHeight); |
| }, "rootBounds in a same-origin iframe in the case where there is a cross-origin " |
| + "iframe in between the top document and the same origin iframe"); |
| </script> |
