| <!DOCTYPE html> |
| <title>Test window.top</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/utils.js"></script> |
| <script src="resources/utils.js"></script> |
| |
| <body> |
| |
| <script> |
| promise_test(async () => { |
| const window_top_key = token(); |
| const window_top_ack_key = token(); |
| |
| attachFencedFrame(generateURL("resources/window-top-inner.html", |
| [window_top_key, window_top_ack_key, "not nested"])); |
| |
| // Get the result for the top-level fenced frame. |
| const fenced_frame_result = await nextValueFromServer(window_top_key); |
| assert_equals(fenced_frame_result, "pass: fenced frame", "The top-level " + |
| "fenced frame has the right value for " + |
| "`window.top`"); |
| |
| // Write an ACK, so that the fenced frame knows it can send message over the |
| // `window_top_key` channel again. |
| writeValueToServer(window_top_ack_key, "ACK"); |
| |
| // Get the result for the iframe inside the fenced frame. |
| const iframe_in_fenced_frame_result = await nextValueFromServer(window_top_key); |
| assert_equals(iframe_in_fenced_frame_result, "pass: fenced frame > iframe", |
| "The iframe inside the top-level fenced frame has the right " + |
| "value for `window.top`"); |
| |
| writeValueToServer(window_top_ack_key, "ACK"); |
| |
| // Get the result for the nested fenced frame. |
| const nested_fenced_frame_result = await nextValueFromServer(window_top_key); |
| assert_equals(nested_fenced_frame_result, "pass: fenced frame > fenced frame", |
| "The nested fenced frame inside the top-level fenced frame " + |
| "has the right value for `window.top`"); |
| }, "window.top"); |
| </script> |
| |
| </body> |