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Diffstat (limited to '')
-rw-r--r-- | docshell/test/browser/browser_frameloader_swap_with_bfcache.js | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/docshell/test/browser/browser_frameloader_swap_with_bfcache.js b/docshell/test/browser/browser_frameloader_swap_with_bfcache.js new file mode 100644 index 0000000000..d9f5a41573 --- /dev/null +++ b/docshell/test/browser/browser_frameloader_swap_with_bfcache.js @@ -0,0 +1,37 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ + +"use strict"; +add_task(async function test() { + if ( + !SpecialPowers.Services.appinfo.sessionHistoryInParent || + !SpecialPowers.Services.prefs.getBoolPref("fission.bfcacheInParent") + ) { + ok( + true, + "This test is currently only for the bfcache in the parent process." + ); + return; + } + const uri = + "data:text/html,<script>onpageshow = function(e) { document.documentElement.setAttribute('persisted', e.persisted); }; </script>"; + let tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, uri, true); + let browser1 = tab1.linkedBrowser; + + let tab2 = await BrowserTestUtils.openNewForegroundTab(gBrowser, uri, true); + let browser2 = tab2.linkedBrowser; + BrowserTestUtils.startLoadingURIString(browser2, uri + "nextpage"); + await BrowserTestUtils.browserLoaded(browser2, false); + + gBrowser.swapBrowsersAndCloseOther(tab1, tab2); + is(tab1.linkedBrowser, browser1, "Tab's browser should stay the same."); + browser1.goBack(false); + await BrowserTestUtils.browserLoaded(browser1, false); + let persisted = await SpecialPowers.spawn(browser1, [], async function () { + return content.document.documentElement.getAttribute("persisted"); + }); + + is(persisted, "false", "BFCache should be evicted when swapping browsers."); + + BrowserTestUtils.removeTab(tab1); +}); |