| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src='/resources/testharnessreport.js'></script> |
| <iframe id="target-iframe1" src="http://localhost:8080/misc/resources/cross-origin-subframe-for-scrolling.html" style="height: 100px; width: 100px; overflow-y: scroll; position: absolute; left: 50px; top: 50px"></iframe> |
| <iframe id="target-iframe2" src="http://localhost:8080/misc/resources/cross-origin-subframe-for-scrolling.html" style="height: 100px; width: 100px; overflow-y: scroll; position: absolute; left: 50px; top: 200px"></iframe> |
| |
| <script> |
| var scroll_test = async_test("Verify that two sibling cross-origin iframes both correctly scroll on MouseWheel events, as per https://crbug.com/675695."); |
| |
| var last_frame_scrolled; |
| var iframe1 = document.getElementById("target-iframe1"); |
| var iframe2 = document.getElementById("target-iframe2"); |
| |
| function handleMessage(event) { |
| if (event.data.scrolled == 1 && last_frame_scrolled == 1) { |
| scroll_test.step(() => { assert_greater_than(event.data.scrollTop, 0, "iframe1 scroll offset greater than 0.")} ); |
| last_frame_scrolled = 2; |
| iframe2.contentWindow.postMessage({scrollBy: -1, frame_id: 2}, "*"); |
| } else if (event.data.scrolled == 2) { |
| scroll_test.step(() => { assert_greater_than(event.data.scrollTop, 0, "iframe2 scroll offset greater than 0.")} ); |
| scroll_test.done(); |
| } else if (event.data.scrolled != 1){ |
| assert_unreached("Received invalid postMessage from subframe."); |
| } |
| } |
| |
| window.addEventListener("message", handleMessage); |
| |
| iframe1.onload = (() => { |
| last_frame_scrolled = 1; |
| iframe1.contentWindow.postMessage({scrollBy: -1, frame_id: 1}, "*"); |
| }); |
| |
| </script> |
