diff options
Diffstat (limited to '')
-rw-r--r-- | layout/base/tests/browser_scroll_into_view_in_out_of_process_iframe.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/layout/base/tests/browser_scroll_into_view_in_out_of_process_iframe.js b/layout/base/tests/browser_scroll_into_view_in_out_of_process_iframe.js new file mode 100644 index 0000000000..edf926c4ca --- /dev/null +++ b/layout/base/tests/browser_scroll_into_view_in_out_of_process_iframe.js @@ -0,0 +1,50 @@ +"use strict"; + +add_task(async () => { + function httpURL(filename, host = "https://example.com/") { + let root = getRootDirectory(gTestPath).replace( + "chrome://mochitests/content/", + host + ); + return root + filename; + } + + const fissionWindow = await BrowserTestUtils.openNewBrowserWindow({ + fission: true, + }); + const url = httpURL( + "test_scroll_into_view_in_oopif.html", + "http://mochi.test:8888/" + ); + const crossOriginIframeUrl = httpURL("scroll_into_view_in_child.html"); + + try { + await BrowserTestUtils.withNewTab( + { gBrowser: fissionWindow.gBrowser, url }, + async browser => { + await SpecialPowers.spawn( + browser, + [crossOriginIframeUrl], + async iframeUrl => { + const iframe = content.document.getElementById("iframe"); + iframe.setAttribute("src", iframeUrl); + + // Wait for a scroll event since scrollIntoView for cross origin documents is + // asyncronously processed. + const scroller = content.document.getElementById("scroller"); + await new Promise(resolve => { + scroller.addEventListener("scroll", resolve, { once: true }); + }); + + ok( + scroller.scrollTop > 0, + "scrollIntoView works in a cross origin iframe" + ); + } + ); + } + ); + } finally { + await BrowserTestUtils.closeWindow(fissionWindow); + } +}); |